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The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

This page documents data for Simpson (1900), such as genera and species attributed to that publication (including known misspellings, misidentifications, and other unavailable names) as well as taxonomic opinions, if available. Taxonomic opinions refer to uses of genera and species as valid and invalid in that work.

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Publication information

Simpson, C.T. 1900. Synopsis of the naiades, or pearly fresh-water mussels. Proceedings of the United States National Museum 22: 501-1044.

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Attributed Genus Names

Rotundaria Agassiz, 1852
‘Rafinesque’ of Authors.
Agassiz, 1852, Arch. Naturg. 18(1): 48.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 765.
Ortmann, 1909, Ann. Carnegie Mus. 5: 201.
Ortmann, 1910, Nautilus 23(11): 140.
Ortmann, 1912, Ann. Carnegie Mus. 8: 257.
Simpson, 1914, Descr. Cat. Naiades: 811.
Utterback, 1915, Amer. Midl. Nat. 4(4): 149.
Ortmann, 1918, Proc. Amer. Phil. Soc. 57(6): 543.
Haas, 1929, Senckenbergiana 11: 333.
Haas, 1930, Senckenbergiana 12(6): 319.
(reference to Rotundaria Rafinesque, 1820)
Type species: Obliquaria (Rotundaria) tuberculata Rafinesque, 1820 () = Cyclonaias tuberculata

Caelatura Conrad, 1853
‘Conrad’ of Authors.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 267 [as ‘Cælatura’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 820 [as ‘Cælatura’].
Pallary, 1909, Mém. Inst. Égypte 6(1): 76.
Simpson, 1914, Descr. Cat. Naiades: 1019.
Germain, 1918, Bull. Mus. Hist. Nat. 24: 41.
Germain, 1919, Bull. Mus. Hist. Nat. 25: 122.
Germain, 1921, Faun. malac. Terr. e Fluv. Iles Mascareignes: 403.
Pallary, 1924, Mém. Inst. Égypte 7 (n.s.): 42.
Pilsbry & Bequaert, 1927, Bull. AMNH 53: 399.
Haas, 1927, Senckenbergiana 9: 21.
Haas, 1929, Senckenbergiana 11: 111.
Bloomer, 1932, Proc. Malac. Soc. London 20: 168.
Thiele, 1934, Handb. Syst. Weichtierk. 3: 1248.
Haas, 1936, Abh. Senckenb. Naturf. Ges. 431: 54.
Dartevelle & Schwetz, 1937, Ann. Soc. Roy. Zool. Belgique 68: 60.
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 140.
Modell, 1942, Arch. Moll. 74(5/6): 190.
Bloomer, 1946, Proc. Malac. Soc. London 27: 68.
Bloomer, 1949, Proc. Malac. Soc. London 27: 241.
Franc, 1949, J. de Conch. 9: 158.
Leloup, 1950, Res. Sci. Explor. Hydrob. Lac Tanganyika (1946-1947) 3: 40.
Mongin, 1963, Mém. Soc. Géol. France 96: 10.
Modell, 1964, Arch. Moll. 93: 116.
Mandahl-Barth, 1968, Expl. Hydrobiol. Bangweulu-Luapula 12: 51.
Starobogatov, 1970, Fauna Moll. Continent.: 64.
Fischer-Piette & Métivier, 1974, Bull. Mus. Hist. Nat. 133: 10.
Appleton, 1979, Ann. S. Afr. Mus. 77(9): 154.
Kenmuir, 1980, Trans. Zimbabwe Sci. Assoc. 60(2): 7.
Curtis & Appleton, 1987, Jour. SWA Sci. Soc. 40-41: 50.
Ibrahim et al., 1999, EEAA Nat. Biodiv. Unit (10): 74.
Millard, 2001, Class. Moll. (3): 1061.
(incorrect original spelling of Coelatura Conrad, 1853)

Lepidodesma Simpson, 1896
Simpson, 1896, Proc. U.S. Nat. Mus. 18: 311.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 586.
Simpson, 1914, Descr. Cat. Naiades: 237.
Type species: Unio languilati Heude, 1874 (sub. desig. by Simpson, 1900: 586) = Lepidodesma languilati

Micronaias Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 743.
Simpson, 1914, Descr. Cat. Naiades: 714.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio aratus Lea, 1843 (orig. desig.) = Micronaias arata

Cucumeria Simpson, 1900
‘Conrad’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 889.
Thiele, 1934, Handb. Syst. Weichtierk. 3: 817 [1246].
(error for Cucumaria Conrad, 1853)

Nepronaias Simpson, 1900
‘Crosse & Fischer’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 591.
(error for Nephronaias Fischer & Crosse, 1894)

Plethobasus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 764.
Simpson, 1914, Descr. Cat. Naiades: 805.
(intro'd as sub-gen. of Pleurobema Rafinesque, 1819)
Type species: Unio aesopus Green, 1827 (original designation) = Plethobasus cyphyus

Zaira Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 862.
(error for Zairia Rochebrune, 1886)

Callonaia Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 867.
Simpson, 1914, Descr. Cat. Naiades: 1210.
Type species: Castalia duprei Récluz, 1842 (orig. desig.) = Callonaia duprei

Virgula Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 931.
Simpson, 1914, Descr. Cat. Naiades: 1454.
(intro'd as sub-gen. of Glabaris Gray, 1847)
Type species: Anodon ensiformis Wagner, 1827 (original designation) = Lamproscapha ensiformis

Castaliella Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 866.
Simpson, 1914, Descr. Cat. Naiades: 1208.
Type species: Castalia sulcata Krauss, 1849 (orig. desig.) = Castaliella sulcata

Cafferia Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 824.
Simpson, 1914, Descr. Cat. Naiades: 574.
(intro'd as sub-gen. of Nodularia Conrad, 1853)
Type species: Unio caffer Krauss, 1848 (orig. desig.) = Unio caffer

Bullella Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 672.
Simpson, 1914, Descr. Cat. Naiades: 508.
(intro'd as sub-gen. of Alasmidonta Say, 1818)
Type species: Margaritana arcula Lea, 1838 (orig. desig.) = Alasmidonta arcula

Pressodonta Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 667.
Simpson, 1914, Descr. Cat. Naiades: 495.
(intro'd as sub-gen. of Alasmidonta Say, 1818; new name for Hemiodon Swainson, 1840)
Type species: Unio calceolus Lea, 1828 (orig. desig.) = Pressodonta viridis

Chelidoneura Simpson, 1900
‘Rochebrune’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 906 [corrected on the errata sheet].
Germain, 1908, Bull. Mus. Hist. Nat. 14: 160, footnote.
(error for Chelidonura Rochebrune, 1886)

Rugifera Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 670.
Simpson, 1914, Descr. Cat. Naiades: 504.
(intro'd as sub-gen. of Alasmidonta Say, 1818)
Type species: Alasmidonta marginata Say, 1818 (orig. desig.) = Alasmidonta marginata

Lapidosus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 700.
(intro'd as sub-gen. of Unio Retzius, 1788)
Type species: Unio lapidosus Kobelt, 1893 (original designation) = Disconaias disca

Pegias Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 660.
Simpson, 1914, Descr. Cat. Naiades: 472.
Type species: Margaritana fabula Lea, 1838 (orig. desig.) = Pegias fabula

Arcidens Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 661.
Simpson, 1914, Descr. Cat. Naiades: 475.
Type species: Alasmodonta confragosa Say, 1829 (orig. desig.) = Arcidens confragosus

Bulloideus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 887.
Simpson, 1914, Descr. Cat. Naiades: 1286.
(intro'd as sub-gen. of Diplodon Wagner, 1827)
Type species: Unio bulloides Lea, 1859 (original designation) = Diplodon variabilis

Cyclomya Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 885.
Simpson, 1914, Descr. Cat. Naiades: 1278.
(intro'd as sub-gen. of Diplodon Wagner, 1827)
Type species: Unio funebralis Lea, 1860 (orig. desig.) = Diplodon funebralis

Laevirostris Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894 [as ‘Lævirostris’].
Simpson, 1914, Descr. Cat. Naiades: 1308.
(intro'd as sub-gen. of Diplodon Wagner, 1827)
Type species: Unio stagnorum Dautzenberg, 1890 (orig. desig.) = Coelatura stagnorum

Pterosygna Simpson, 1900
‘Rafinesque’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 665.
Ortmann, 1909, Ann. Carnegie Mus. 5: 196.
Simpson, 1914, Descr. Cat. Naiades: 490.
Ortmann, 1914, Nautilus 28(4): 43.
Walker, 1918, Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 147.
Haas, 1930, Senckenbergiana 12(6): 326.
(error for Pterosyna Rafinesque, 1831)

Pseudavicula Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 860.
Simpson, 1914, Descr. Cat. Naiades: 1190.
(homonym of Hudleston, 1890; renamed Prisodontopsis Tomlin, 1928)
Type species: Unio (Metaptera) johnstoni E.A. Smith, 1893 (orig. desig.) = Prisodontopsis aviculaeformis

Dromus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 614.
Simpson, 1914, Descr. Cat. Naiades: 341.
(homonym of Selby, 1840 [Aves]; renamed Dromas Lindahl, 1906; renamed Conchodromus Haas, 1930)
Type species: Unio dromas Lea, 1834 (orig. desig.) = Dromus dromas

Medionidus Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 77.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 588.
Simpson, 1914, Descr. Cat. Naiades: 245.
Type species: Unio conradicus Lea, 1834 (orig. desig.) = Medionidus conradicus

Symphynota Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 662.
Ortmann, 1912, Ann. Carnegie Mus. 8: 280.
Simpson, 1914, Descr. Cat. Naiades: 480.
Ortmann, 1914, Nautilus 28(4): 41.
(reference to Symphynota Lea, 1829)
Type species: Symphynota compressa Lea, 1829 (orig. desig.) = Platynaias compressa

Pseudoon Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 601 [as ‘Pseudoön’].
Simpson, 1914, Descr. Cat. Naiades: 298.
(intro'd as sub-gen. of Obovaria Rafinesque, 1819)
Type species: Unio ellipsis Lea, 1828 (original designation) = Obovaria olivaria

Hyriana Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 872.
Simpson, 1914, Descr. Cat. Naiades: 1223.
(intro'd as sub-gen. of Prisodon Schumacher, 1817)
Type species: Unio ortonii Lea, 1868 (original designation) = Prisodon obliquus

Hemilastena Simpson, 1900
‘Agassiz’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 673.
‘Agassiz’ Simpson, 1914, Descr. Cat. Naiades: 323.
(reference to Hemilastena Agassiz, 1852)
Type species: Alasmodonta ambigua Say, 1825 (orig. desig.) = Simpsonaias ambigua

Spathopsis Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 857.
Simpson, 1914, Descr. Cat. Naiades: 1179.
(intro'd as sub-gen. of Lamellidens Simpson, 1900)
Type species: Anodonta guillaini Récluz, 1850 (orig. desig.) = Chambardia wahlbergi

Pilsbryoconcha Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 587.
Simpson, 1914, Descr. Cat. Naiades: 239.
Type species: Anodonta exilis Lea, 1838 (orig. desig.) = Pilsbryoconcha exilis

Dalliella Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 832.
(homonym of Cossmann, 1895 [Gastro.]; renamed Simpsonella Cockerell, 1903)
Type species: Anodonta purpurea Valenciennes, 1827 (orig. desig.) = Simpsonella burroughiana

Hemiodonta Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 667, footnote.
(error for Hemidonta Swainson, 1840)

Cylindrica Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 807.
Simpson, 1914, Descr. Cat. Naiades: 958.
(homonym of Clessin, 1882 [Gastro.]; intro'd as sub-gen. of Nodularia Conrad, 1853; renamed Pericylindrica Tomlin, 1930)
Type species: Nodularia cylindrica Simpson, 1900 (orig. desig.) = Lanceolaria cylindrica

Pseudobaphia Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 849.
Simpson, 1914, Descr. Cat. Naiades: 1138.
(intro'd as sub-gen. of Parreysia Conrad, 1853)
Type species: Unio biesianus Heude, 1877 (orig. desig.) = Pseudobaphia biesiana

Discomya Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 802.
Simpson, 1914, Descr. Cat. Naiades: 937.
(intro'd as sub-gen. of Quadrula Rafinesque, 1820)
Type species: Unio radulosus Drouët & Chaper, 1892 (orig. desig.) = Discomya radulosa

Clione Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 583.
Simpson, 1914, Descr. Cat. Naiades: 223.
(error for Cleone Gistl, 1848)

Pletholophus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 585.
Simpson, 1914, Descr. Cat. Naiades: 229.
(intro'd as sub-gen. of Cristaria Schumacher, 1817)
Type species: Symphynota discoidea Lea, 1834 (original designation) = Pletholophus tenuis

Crassitesta Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 586.
Simpson, 1914, Descr. Cat. Naiades: 236.
(intro'd as sub-gen. of Cristaria Schumacher, 1817)
Type species: Cristaria (Crassitesta) radiata Simpson, 1900 (original designation) = Cristaria radiata

Arcidopsis Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 861.
Simpson, 1914, Descr. Cat. Naiades: 1191.
Type species: Unio footei Theobald, 1876 (orig. desig.) = Arcidopsis footei

Trapezoideus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 858.
Simpson, 1914, Descr. Cat. Naiades: 1180.
Type species: Unio foliaceus Gould, 1843 (orig. desig.) = Trapezoideus foliaceus

Ctenodesma Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 852.
(renamed Cristadens Simpson, 1914)
Type species: Unio borneensis Issel, 1874 (orig. desig.) = Ctenodesma borneensis

Epilobasma Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 744.
(error for Epioblasma Rafinesque, 1831)

Caudiculatus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 581.
Simpson, 1914, Descr. Cat. Naiades: 218.
(intro'd as sub-gen. of Hyriopsis Conrad, 1853)
Type species: Unio caudiculatus Martens, 1867 (orig. desig.) = Caudiculatus caudiculatus

Acuticosta Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 850.
Simpson, 1914, Descr. Cat. Naiades: 1139.
(intro'd as sub-gen. of Parreysia Conrad, 1853)
Type species: Unio chinensis Lea, 1868 (orig. desig.) = Acuticosta chinensis

Schistodesmus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 803 [as ‘Shistodesmus’].
Simpson, 1914, Descr. Cat. Naiades: 939.
(correct name for Shistodesmus Simpson, 1900)
Type species: Unio (Dysnomia) lampreyanus Baird & Adams, 1867 (orig. desig.) = Schistodesmus lampreyanus

Lamprotula Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 796.
Simpson, 1914, Descr. Cat. Naiades: 913.
(intro'd as sub-gen. of Quadrula Rafinesque, 1820)
Type species: Chama plumbea Dillwyn, 1817 (orig. desig.) = Lamprotula plumbea

Gibbosula Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 804.
Simpson, 1914, Descr. Cat. Naiades: 941.
Type species: Mya crassa Wood, 1815 (original designation) = Gibbosula crassa

Sulcataria Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 673.
(error for Sulcularia Rafinesque, 1831)

Ptychoderma Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 606.
Simpson, 1914, Descr. Cat. Naiades: 306.
(intro'd as sub-gen. of Plagiola Rafinesque, 1819)
Type species: Unio cyrenoides Philippi, 1847 (original designation) = Arotonaias cyrenoides

Physunio Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 830.
Simpson, 1914, Descr. Cat. Naiades: 1062.
Type species: Unio gravidus Lea, 1856 (orig. desig.) = Physunio superbus

Lens Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 831.
Simpson, 1914, Descr. Cat. Naiades: 1067.
(intro'd as sub-gen. of Physunio Simpson, 1900)
Type species: Unio eximius Lea, 1856 (orig. desig.) = Lens eximius

Pseudomutela Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 905.
Simpson, 1914, Descr. Cat. Naiades: 1362.
(intro'd as sub-gen. of Mutela Scopoli, 1777)
Type species: Mycetopus plicatus Sowerby, 1868 (orig. desig.) = Mutela dubia

Pseudospatha Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 577.
Simpson, 1914, Descr. Cat. Naiades: 202.
(new name for Burtonia Bourguignat, 1883)
Type species: Spatha tanganyicensis E.A. Smith, 1880 (orig. desig.) = Pseudospatha tanganyicensis

Rectidens Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 853.
Simpson, 1914, Descr. Cat. Naiades: 1157.
Type species: Unio prolongatus Drouët, 1894 (orig. desig.) = Rectidens sumatrensis

Ptychobranchus Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 79.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 612.
Simpson, 1914, Descr. Cat. Naiades: 332.
Type species: Unio phaseolus Hildreth, 1828 (orig. desig.) = Ptychobranchus fasciolaris

Radiatula Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 820.
Simpson, 1914, Descr. Cat. Naiades: 1016.
(intro'd as sub-gen. of Nodularia Conrad, 1853)
Type species: Unio crispisulcatus Benson, 1862 (orig. desig.) = Radiatula crispisulcata

Fusconaia Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 784.
Simpson, 1914, Descr. Cat. Naiades: 865.
(intro'd as sub-gen. of Quadrula Rafinesque, 1820)
Type species: Unio trigonus Lea, 1831 (orig. desig.) = Fusconaia flava

Aurora Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 849.
(homonym of Ragonot, 1887 [Lepid.]; intro'd as sub-gen. of Parreysia Conrad, 1853; renamed Diaurora Cockerell, 1903)
Type species: Unio auroreus Heude, 1883 (orig. desig.) = Diaurora aurorea

Ptychorhynchus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 850.
Simpson, 1914, Descr. Cat. Naiades: 1144.
Type species: Unio pfisteri Heude, 1874 (orig. desig.) = Ptychorhynchus pfisteri

Shistodesmus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 803 [also as ‘Shistodesma’].
(incorrect original spelling of Schistodesmus Simpson, 1900)

Lamellidens Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 854.
Simpson, 1914, Descr. Cat. Naiades: 1165.
Type species: Unio marginalis Lamarck, 1819 (orig. desig.) = Lamellidens marginalis

Suborbiculus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 835.
Simpson, 1914, Descr. Cat. Naiades: 1081.
(intro'd as sub-gen. of Pseudodon Gould, 1844)
Type species: Monocondylus orbicularis Morelet, 1866 (orig. desig.) = Pseudodon cambodjensis

Nasus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 839.
Simpson, 1914, Descr. Cat. Naiades: 1099.
(homonym of Basilewski, 1855 [Pisces]; intro'd as sub-gen. of Pseudodon Gould, 1844; renamed Simpsonasus Bolotov et al., 2023)
Type species: Monocondylea nankingensis Heude, 1874 (orig. desig.) = Simpsonasus nankingensis

Triquetrana Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 869.
Simpson, 1914, Descr. Cat. Naiades: 1215.
(intro'd as sub-gen. of Hyria Lamarck, 1819)
Type species: Unio stevensii Lea, 1871 (original designation) = Triplodon corrugatus

Pilea Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 522.
Simpson, 1914, Descr. Cat. Naiades: 22.
(intro'd as sub-gen. of Truncilla Rafinesque, 1819)
Type species: Unio personatus Say, 1829 (original designation) = Epioblasma personata

Bineurus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 839.
Simpson, 1914, Descr. Cat. Naiades: 1097.
(intro'd as sub-gen. of Pseudodon Gould, 1844)
Type species: Monocondyloea mouhotii Lea, 1863 (orig. desig.) = Bineurus mouhotii

Obovalis Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 840.
Simpson, 1914, Descr. Cat. Naiades: 1101.
(intro'd as sub-gen. of Pseudodon Gould, 1844)
Type species: Pseudodon loomisi Simpson, 1900 (orig. desig.) = Obovalis omiensis

Virgus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 851.
Simpson, 1914, Descr. Cat. Naiades: 1150.
Type species: Unio (Diplodon) beccarianus Tapparone Canefri, 1883 (orig. desig.) = Virgus beccarianus

Cuneopsis Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 804.
Simpson, 1914, Descr. Cat. Naiades: 943.
Type species: Unio celtiformis Heude, 1874 (orig. desig.) = Cuneopsis celtiformis

Chamberlainia Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 582.
Simpson, 1914, Descr. Cat. Naiades: 219.
Type species: Unio hainesianus Lea, 1856 (orig. desig.) = Chamberlainia hainesiana

Attributed Species Names

Anodonta pennsylvanica Stark, 1828
‘Lamarck’ of Authors.
Stark, 1828, Elements Nat. Hist. 2: 89.
Lea, 1836, Synopsis Fam. Naiades: 50.
Lea, 1838, Synopsis Fam. Naiades: 30.
Lea, 1852, Synopsis Fam. Naiades: 49.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 263.
Sowerby, 1867, Conch. Icon. 17: pl. 11, sp. 30.
Lea, 1870, Synopsis Fam. Naiades: 79.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 618.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 40.
Frierson, 1927, Check List N. Amer. Naiades: 22 [as ‘Strophitus undulatus-pennsylvanicus’].
Haas, 1969, Das Tierreich 88: 373 [as ‘Strophitus undulatus pennsylvanicus’].
(error for Anodonta pensylvanica Lamarck, 1819)

Quadrula lachrymosa Swainson, 1840
‘Lea’ of Authors.
Swainson, 1840, Treat. Malacol.: 378.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 177.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 256.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 497.
Reeve, 1864, Conch. Icon. 16: pl. 9, sp. 33.
Call, 1895, Trans. Acad. Sci. St. Louis 7: 21.
F.C. Baker, 1898, Bull. Chicago Acad. Sci. 3(1): 83, pl. 25, fig. 1; pl. 12, fig. 2.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 776.
Call, 1900, Ind. Dept. Geol. Nat. Res. (1899): 489.
Ortmann, 1909, Nautilus 22(10): 100.
Ortmann, 1909, Ann. Carnegie Mus. 5: 199.
Ortmann, 1910, Nautilus 23(11): 140.
Ortmann, 1910, Nautilus 23: 116.
Ortmann, 1912, Ann. Carnegie Mus. 8: 253.
Simpson, 1914, Descr. Cat. Naiades: 839, 841.
Vanatta, 1915, Proc. Acad. Nat. Sci. 67: 556.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 14, 16.
Frierson, 1927, Check List N. Amer. Naiades: 47.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 84.
R.I. Johnson, 1980, Bull. MCZ 149(2): 90.
Vidrine, 1993, Histr. Distr. Freshw. Mussels LA: 53.
Strayer & Jirka, 1997, Pearly Mussels NY (26): 98.
(error for Unio lacrymosus Lea, 1828)

Margaritana curreyana Lea, 1842
‘Lea’ of Authors.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: pl. 18, fig. 40.
Agassiz, 1852, Arch. Naturg. 18(1): 47.
Lea, 1852, Synopsis Fam. Naiades: 42.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 263.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 499.
Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 319.
Lea, 1870, Synopsis Fam. Naiades: 68.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [6].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 661.
Simpson, 1914, Descr. Cat. Naiades: 474.
Frierson, 1927, Check List N. Amer. Naiades: 21.
Haas, 1969, Das Tierreich 88: 395.
(error for Margaritana curreyiana Lea, 1840)

Diplodon parallelipipedon d’Orbigny, 1846
‘Lea’ of Authors.
d’Orbigny, 1846, Voyage dans l’Amérique Méridionale 5: 609.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 884.
Corsi, 1900, Anais Mus. Nac. Montevideo 2: 447.
Simpson, 1914, Descr. Cat. Naiades: 1274-1275.
Haas, 1930, Senckenbergiana 12: 189.
Morretes, 1949, Arqu. Mus. Paranaense 7: 18.
Parodiz, 1968, Sterkiana 30: 8.
Mansur, 1970, Iheringia 39: 83.
Quintana, 1982, Rev. Mus. Argentino Zoológicas 11: 128.
Simone, 2006, Land. Freshw. Moll. Brazil.: 260.
(error for Unio parallelopipedon Lea, 1834)

Anodonta ohioensis Agassiz, 1852
‘Rafinesque’ of Authors.
Agassiz, 1852, Arch. Naturg. 18(1): 46.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 648.
Simpson, 1914, Descr. Cat. Naiades: 437.
Oesch, 1984, Missouri Naiades: 183 [as ‘Potamilus’].
(error for Anodonta (Lastena) ohiensis Rafinesque, 1820)

Unio bigorrensis Lea, 1852
‘Millet’ Lea, 1852, Synopsis Fam. Naiades: 39.
‘Millet’ Küster, 1861, Conchyl. Cab. 9(2): 230.
‘Millet’ Lea, 1870, Synopsis Fam. Naiades: 63.
‘Locard’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 692.
(error for Unio bigerrensis Millet, 1843)

Pseudanodonta grateloupiana Lea, 1852
‘Gassies’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 49.
Lea, 1870, Synopsis Fam. Naiades: 77.
Bourguignat, 1880, Mater. Moll. Acécphales Syst. Europ. 1: 15, 29.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 303.
Locard, 1890, Contr. Faune Malacol. Franc. 14: 55 [11].
Servain, 1890, Bull. Soc. Malac. France 7: 301.
Locard, 1893, Coqu. Eau Douce Saumâtre France: 217.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 264.
(error for Anodonta gratelupeana Gassies, 1849)

Unio planilaterus Lea, 1852
‘Conrad’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 32.
Lea, 1870, Synopsis Fam. Naiades: 51.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 722.
Simpson, 1914, Descr. Cat. Naiades: 653.
(error for Unio planilateris Conrad, 1838)

Unio hippopaeus Lea, 1852
‘Lea’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 21 [as ‘hippopæus’].
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 261 [as ‘hippopæus’].
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 497 [as ‘hippopæus’].
Reeve, 1864, Conch. Icon. 16: pl. 11, sp. 40 [as ‘hippopæus’].
Lea, 1870, Synopsis Fam. Naiades: 31 [as ‘hippopæus’].
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3], [as ‘hippopæus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 767 [as ‘hippopæa’].
Ortmann, 1909, Nautilus 22(10): 101 [as ‘Q. hippopæa’].
Ortmann, 1909, Ann. Carnegie Mus. 5: 203 [as ‘Quadrula undulata hippopæa’].
Simpson, 1914, Descr. Cat. Naiades: 816 [as ‘hippopæa’].
Frierson, 1927, Check List N. Amer. Naiades: 61.
Haas, 1969, Das Tierreich 88: 287.
Clarke, 1973, Malacologia 13(1-2): 35.
Burch, 1975, Freshw. Unio. North Amer.: 165.
Strayer & Jirka, 1997, Pearly Mussels NY (26): 98.
He & Zhuang, 2013, Freshwater Bivalves China: 27.
(error for Unio hippopoeus Lea, 1845)

Unio sowerbyanus Küster, 1852
‘Lea’ of Authors.
Küster, 1852, Conchyl. Cab. 9(2): 62.
Agassiz, 1852, Arch. Naturg. 18(1): 43.
Reeve, 1864, Conch. Icon. 16: pl. 14, sp. 58.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 520.
Simpson, 1914, Descr. Cat. Naiades: 17.
Frierson, 1927, Check List N. Amer. Naiades: 94.
Haas, 1969, Das Tierreich 88: 483.
Burch, 1975, Freshw. Unio. North Amer.: 173.
R.I. Johnson, 1978, Bull. MCZ 148: 280.
Parmalee & Bogan, 1998, The Freshwater Mussels of Tennessee: 91.
(error for Unio sowerbianus Lea, 1834)

Diplodon beskeanus Lea, 1852
‘Dunker’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 39, Corrigenda et Addenda.
Lea, 1870, Synopsis Fam. Naiades: 61.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 875.
Ihering, 1910, Abh. Senckenb. Naturf. Ges. 32: 139.
Figueiras, 1965, Comm. Soc. Malac. Uruguay 1(8): 238.
Parodiz, 1968, Sterkiana 30: 3.
(error for Unio besckeanus Dunker, 1849)

Unio reevianus Conrad, 1853
‘Lea’ of Authors.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 256.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 538.
Simpson, 1914, Descr. Cat. Naiades: 74.
Utterback, 1916, Amer. Midl. Nat. 4(10): 449.
Frierson, 1927, Check List N. Amer. Naiades: 73.
Haas, 1969, Das Tierreich 88: 437.
R.I. Johnson, 1980, Bull. MCZ 149(2): 132.
Oesch, 1984, Missouri Naiades: 225.
Turgeon et al., 1988, Am. Fisher. Soc. Spec. Publ. (16): 31.
Williams et al., 1993, Fisheries 18(9): 12.
Turgeon et al., 1998, Am. Fisher. Soc. Spec. Publ. (26): 35.
Graf & Cummings, 2007, J. Moll. Studies 73: 305.
Bogan, 2010, FADA: [web].
Cummings & Graf, 2010, Ecol. Class. N. Amer. FW Inverts.: 376.
Haag, 2012, N. Amer. Freshw. Mussels: 71 [as ‘Lampsilis reeviana’].
(error for Unio reeveianus Lea, 1852)

Anodonta linneana Conrad, 1853
‘Lea’ of Authors.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 264.
Hanley, 1856, Cat. Rec. Bivalve Shells, Suppl.: 387.
Sowerby, 1870, Conch. Icon. 17: pl. 35, sp. 144.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 646.
Simpson, 1914, Descr. Cat. Naiades: 431.
Frierson, 1927, Check List N. Amer. Naiades: 14.
Haas, 1969, Das Tierreich 88: 364.
Parmalee & Bogan, 1998, The Freshwater Mussels of Tennessee: 206.
Watters et al., 2009, Freshw. Mussels OH: 260.
(error for Anodonta linnaeana Lea, 1852)

Unio hanleyanus Conrad, 1853
‘Lea’ of Authors.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 250.
Sowerby, 1866, Conch. Icon. 16: pl. 46, sp. 249.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 759.
Simpson, 1914, Descr. Cat. Naiades: 780.
Frierson, 1927, Check List N. Amer. Naiades: 42, sp. 175.
Haas, 1969, Das Tierreich 88: 256.
Burch, 1975, Freshw. Unio. North Amer.: 13.
Turgeon et al., 1988, Am. Fisher. Soc. Spec. Publ. (16): 32.
Williams et al., 1993, Fisheries 18(9): 13.
Parmalee & Bogan, 1998, The Freshwater Mussels of Tennessee: 184.
Lydeard et al., 1999, Gulf Mex. Sci. 17(2): 129.
(error for Unio hanleyianus Lea, 1852)

Anodonta marryattana Conrad, 1853
‘Lea’ of Authors.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 264.
Sowerby, 1870, Conch. Icon. 17: pl. 28, sp. 111.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 642.
Simpson, 1914, Descr. Cat. Naiades: 422.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 157.
Haas, 1969, Das Tierreich 88: 365.
(error for Anodonta maryattana Lea, 1840)

Unio texasensis Lea, 1860
‘Lea’ of Authors.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 8]: 359.
Lea, 1870, Synopsis Fam. Naiades: 59.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [5].
Pilsbry & Rhoads, 1896, Proc. Acad. Nat. Sci. 48: 505.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 563.
Ortmann, 1915, Nautilus 28(12): 141.
Utterback, 1916, Amer. Midl. Nat. 4(9): 398.
Gordon et al., 1979, Bull. AMU (1979): 35, Table 3.
Cummings & Mayer, 1992, Freshw. Mussels Midwest (5): 134.
Vidrine, 1993, Histr. Distr. Freshw. Mussels LA: 169.
R.I. Johnson, 1999, Occ. Pap. Moll. 6(77): 34.
Bogan, 2010, FADA: [web].
ITIS, 2012, ITIS: [web].
Haag, 2012, N. Amer. Freshw. Mussels: 70 [as ‘Toxolasma texasensis’].
McMurray et al., 2012, Mo. Freshw. Mussels: 57 [as ‘Toxolasma texasense’].
Marshall et al., 2018, Amer. Malac. Bull. 36(1): 44.
(error for Unio texasiensis Lea, 1857)

Unio virginana Reeve, 1865
‘Lamarck’ of Authors.
Reeve, 1865, Conch. Icon. 16: pl. 27, sp. 139.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 536.
(misidentified reference to Unio virginiana Lamarck, 1819)

Anodonta arcuata Martens, 1866
‘Cailliaud’ of Authors.
Martens, 1866, Malak. Blatt. 13: 11.
Jickeli, 1874, Nova Acta Dtsch. Akad. Naturf. 37(1): 265.
Servain, 1890, Bull. Soc. Malac. France 7: 316.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 899.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
Simpson, 1914, Descr. Cat. Naiades: 1336.
Van Damme, 1984, Freshw. Moll. N. Africa (25): 68.
Mandahl-Barth, 1988, Studies on African Freshwater Bivalves: 73.
Ibrahim et al., 1999, EEAA Nat. Biodiv. Unit (10): 109.
(error for Anodonta arcuta Cailliaud, 1823)

Spatha cailliaudi Martens, 1866
‘von Martens’ of Authors.
Martens, 1866, Malak. Blatt. 13: 102.
Lea, 1870, Synopsis Fam. Naiades: 89.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 896.
Pallary, 1909, Mém. Inst. Égypte 6(1): 83.
Simpson, 1914, Descr. Cat. Naiades: 1316.
(error for Spatha caillaudi Martens, 1866)
Type(s): SYNTYPES MNHN_MP_0196, Le Nil.

Anodonta nicaragua Tate, 1870
Philippi of Authors.
Tate, 1870, Amer. J. Conch. 5: 161.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [7].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 932.
Haas, 1930, Senckenbergiana 12(6): 324.
(error for Anodonta nicaraguae Philippi, 1849)

Glabaris leotandi Lea, 1870
‘Guppy’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 83.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [7] [as ‘Anodonta leotandi’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 929.
(error for Anodon leotaudi Guppy, 1866)

Unio bissellianus Lea, 1870
‘Lea’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 50.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 743.
Simpson, 1914, Descr. Cat. Naiades: 714.
Frierson, 1927, Check List N. Amer. Naiades: 35.
Haas, 1969, Das Tierreich 88: 210.
(error for Unio bisselianus Lea, 1867)

Anodon kellettii Lea, 1870
‘Sowerby’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 84.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 588.
Preston, 1912, Rec. Ind. Mus. 7: 282.
Simpson, 1914, Descr. Cat. Naiades: 242.
Brandt, 1974, Arch. Moll. 105: 264.
(error for Anodon kelletii Sowerby, 1867)

Unio lawleyanus Kobelt, 1884
‘Gentiluomo’ of Authors.
Kobelt, 1884, Icon. Land- und Süssw.-Moll. 1: 65.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 683.
Simpson, 1914, Descr. Cat. Naiades: 533.
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 127.
(error for Unio lawleyianus Gentiluomo, 1868)

Unio hazelhurstianus B.H. Wright, 1888
‘Lea’ of Authors.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 719 [as ‘Unio (sec. Elliptio) hazelhurstianus’].
Simpson, 1914, Descr. Cat. Naiades: 648.
Frierson, 1927, Check List N. Amer. Naiades: 29 [as ‘Elliptio (Elliptio) hazelhurstianus’].
Haas, 1969, Das Tierreich 88: 229 [as ‘Elliptio (Elliptio) hazelhurstianus’].
R.I. Johnson, 1970, Bull. MCZ 140(6): 333.
Burch, 1975, Freshw. Unio. North Amer.: 164.
(error for Unio hazlehurstianus Lea, 1858)

Anodonta arkansasensis B.H. Wright, 1888
‘Lea’ of Authors.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [6].
Call, 1895, Trans. Acad. Sci. St. Louis 7: 60.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 617.
Simpson, 1914, Descr. Cat. Naiades: 347.
Williams et al., 2008, Freshw. Mussels AL and Mobile Basin: 709.
Watters et al., 2009, Freshw. Mussels OH: 294.
(error for Anodonta arkansensis Lea, 1852)

Pseudodon mabillei Morlet, 1889
‘Rochebrune’ of Authors.
Morlet, 1889, J. de Conch. 37: 166.
Fischer, 1891, Bull. Soc. Hist. Nat. Autun 4: 220.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 840.
(error for Pseudodon mabilli Rochebrune, 1882)

Margaritana vignoniana Paetel, 1890
‘Bernardi’ of Authors.
Paetel, 1890, Cat. Conch.-Samml. 3: 174.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 902.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
Simpson, 1914, Descr. Cat. Naiades: 1347.
Modell, 1964, Arch. Moll. 93: 84.
(error for Margaritana vignouana Bernardi, 1859)

Columba blainvilleana Ihering, 1890
‘Lea’ of Authors.
Ihering, 1890, Arch. Naturg. 56(1): 142.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 915.
Simpson, 1914, Descr. Cat. Naiades: 1400.
Haas, 1931, Senckenbergiana 13: 102.
Morretes, 1949, Arqu. Mus. Paranaense 7: 28.
Bonetto, 1963, Physis 24: 11.
Parodiz & Bonetto, 1963, Malacologia 1(2): 206.
Modell, 1964, Arch. Moll. 93: 81.
Figueiras, 1965, Comm. Soc. Malac. Uruguay 1(8): 252.
Haas, 1969, Das Tierreich 88: 577.
Haas, 1969, Treatise on Invert. Paleo: N465.
Mansur, 1970, Iheringia 39: 55.
Bonetto & Mansur, 1970, Acta Zool. Lilloana 27: 256.
Millard, 2001, Class. Moll. (3): 1074.
Simone, 2006, Land. Freshw. Moll. Brazil.: 289.
(error for Anodonta blainvilliana Lea, 1834)

Anodonta intermerata Paetel, 1890
‘Heude’ of Authors.
Paetel, 1890, Cat. Conch.-Samml. 3: 183.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 639.
Preston, 1912, Rec. Ind. Mus. 7: 284.
Simpson, 1914, Descr. Cat. Naiades: 405.
(error for Anodon intemerata Heude, 1885)

Unio subluridus Simpson, 1892
Simpson, 1892, Proc. U.S. Nat. Mus. 15(911): 432, pl. 83, figs. 3-4.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 743.
Type(s): HOLOTYPE USNM_104002, Orange Springs, Volusia Co., Florida.

Unio popeii Fischer & Crosse, 1894
of Authors.
Fischer & Crosse, 1894, Miss. Sci. Mexique, Rech. Zool. 2(16): 605 [as ‘Unio (Graphonaias) popei’].
Martens, 1900, Biol. Centr.-Amer., Moll.: 504 [as ‘Unio (Nephronaias) popei’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 738 [as ‘Unio (sec. Elliptio)’]. [in part]
Pilsbry, 1910, Proc. Acad. Nat. Sci. 61: 535. [in part]
Ortmann, 1912, Ann. Carnegie Mus. 8: 271 [as ‘Elliptio’].
Simpson, 1914, Descr. Cat. Naiades: 700 [as ‘Unio (sec. Elliptio)’]. [in part]
Frierson, 1927, Check List N. Amer. Naiades: 38 [as ‘Elliptio (Popenaias)’]. [in part]
Haas, 1929, Senckenbergiana 11: 330 [as ‘Elliptio (Popenaias)’]. [in part]
Haas, 1969, Das Tierreich 88: 201 [as ‘Nephronaias (Popenaias)’]. [in part]
Graf & Cummings, 2007, J. Moll. Studies 73: 308 [as ‘Popenaias’]. [in part]
Pfeiffer et al., 2019, Zool. Scripta 48: 504 [as ‘Popenaias’]. [in part]
(misidentified reference to Unio popeii Lea, 1857)

Unio mitchelli Dall, 1895
Simpson in Dall, 1895, Proc. U.S. Nat. Mus. 18: 5.
Simpson, 1896, Proc. U.S. Nat. Mus. 18: 371, pl. 32, figs. 1-3.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 711.
Simpson, 1914, Descr. Cat. Naiades: 622.
Type(s): LECTOTYPE USNM_128364, Guadalupe R., Victoria Co., Texas.

Unio (sec. Elliptio) gibbosus var. delicatus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 704.
Simpson, 1914, Descr. Cat. Naiades: 600.
(intro'd as intra-sp. of Unio gibbosus Barnes, 1823; homonym of Unio delicatus Lea, 1863)
Type(s): LECTOTYPE USNM_128797, St. Francis R., Greenway, Clay Co., Arkansas.

Tritogonia tuberculata var. obesa Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 609.
Simpson, 1914, Descr. Cat. Naiades: 320.
(intro'd as intra-sp. of Unio tuberculatus Barnes, 1823)
Type(s): LECTOTYPE USNM_125669, Neches River, Big Eddy, Texas.

Margaron (Unio) nashvilliensis Simpson, 1900
‘Lea’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 547.
(error for Lampsilis nashvillensis Agassiz, 1852)

Nodularia bohmi Simpson, 1900
‘Martens’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 823.
‘Martens’ Simpson, 1914, Descr. Cat. Naiades: 1036.
(error for Unio boehmi Martens, 1897)

Quadrula (Discomya) radulosa var. rhomboidea Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 803.
Simpson, 1914, Descr. Cat. Naiades: 938.
(intro'd as intra-sp. of Unio radulosus Drouët & Chaper, 1892)
Type(s): HOLOTYPE (MONOTYPY) USNM_126472A, Sebroeang, Borneo.

Unio newenhuisi Simpson, 1900
‘Schepman’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 803.
(error for Unio nieuwenhuisi Schepman, 1898)

Unio musicus Simpson, 1900
‘Spengler’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 744.
(error for Unio musivus Spengler, 1793)

Unio navigoliformis Simpson, 1900
‘Lea’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 825.
‘Lea’ Simpson, 1914, Descr. Cat. Naiades: 575.
(error for Unio navigioliformis Lea, 1859)

Anodon salwiniana Simpson, 1900
‘Gould’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 834.
(error for Anodon salweniana Gould, 1844)

Anodon salwimana Simpson, 1900
‘Gould’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 836.
(error for Anodon salweniana Gould, 1844)

Unio forscali Simpson, 1900
‘Parreyss’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 862. [nomen nudum]
‘Parreyss’ Simpson, 1914, Descr. Cat. Naiades: 1192. [nomen nudum]

Brazzaea jourdyi Simpson, 1900
‘Bourguignat’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 907.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 1374.
Simpson, 1914, Descr. Cat. Naiades: 1374.
(error for Brazzaea jouberti Bourguignat, 1886)

Unio sula Simpson, 1900
‘Theobald’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 678.
‘Theobald’ Simpson, 1914, Descr. Cat. Naiades: 521.
(intro'd as syn of Unio laosensis Lea, 1863)

Brazzaea lavigerina Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 907.
‘Bourguignat’ Simpson, 1914, Descr. Cat. Naiades: 1374.
(error for Brazzaea lavigeriana Bourguignat, 1886)

Anodonta dignota Simpson, 1900
‘Rafinesque’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 631 [as by Férussac], 648.
‘Rafinesque’ Simpson, 1914, Descr. Cat. Naiades: 387 [as by Férussac], 437.
(error for Anodonta (Flexiplis?) digonota Rafinesque, 1831)

Quadrula (sec. Fusconaia) kirtlandiana var. minor Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 791.
Simpson, 1914, Descr. Cat. Naiades: 892.
(intro'd as intra-sp. of Unio kirtlandianus Lea, 1834)
Type(s): LECTOTYPE USNM_150155, Scott Co., Va.

Unio crocodilarum Simpson, 1900
‘Morelet’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 702.
Simpson, 1914, Descr. Cat. Naiades: 591.
Haas, 1929, Senckenbergiana 11: 332.
(error for Unio crocodilorum Morelet, 1849)

Quadrula (Lamprotula) ovata Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 801.
Simpson, 1914, Descr. Cat. Naiades: 933.
(new name for Unio vestitus Heude, 1883)

Unio penisatus Simpson, 1900
‘Crosse & Fischer’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 853.
Haas, 1912, Conch. Cab. 9 (pt. 2, h. 46): 135.
Simpson, 1914, Descr. Cat. Naiades: 1155.
(error for Unio pensitatus Fischer & Crosse, 1894)

Shistodesmus spinosus Simpson, 1900
Heude, 1883, Conch. Fluv. Nanking (8): pl. 59, fig. 115 [as ‘Unio vestitus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 804.
Simpson, 1914, Descr. Cat. Naiades: 941.

Quadrula kirtlandiana Simpson, 1900
‘Conrad’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 791. [in part]
‘Conrad’ Simpson, 1914, Descr. Cat. Naiades: 891. [in part]
(misidentified reference to Unio kirtlandianus Lea, 1834)

Quadrula pyramidata Simpson, 1900
‘Lea’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 789. [in part]
Chadwick, 1906, unknown publication: 97.
‘Lea’ Simpson, 1914, Descr. Cat. Naiades: 889. [in part]
(misidentified reference to Unio pyramidatus Lea, 1831)

Nodularia (sec. Cafferia) jickeli Simpson, 1900
‘Phil.’ Jickeli, 1874, Nova Acta Dtsch. Akad. Naturf. 37(1): 276, pl. 11, figs. 3-3b [as ‘U. teretiusculus’]. [in part]
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 826.
Simpson, 1914, Descr. Cat. Naiades: 579 [as ‘Unio jickeli’].

Parreysia dumesleanus Simpson, 1900
‘Charmes’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 847.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 85.
Simpson, 1914, Descr. Cat. Naiades: 1130.
(error for Unio dumesnilianus Charmes, 1885)

Chambardia letourneuxiana Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 902.
‘Bourguignat’ Simpson, 1914, Descr. Cat. Naiades: 1350.
(error for Chambardia letourneuxi Servain, 1890)

Anodonta tawi Simpson, 1900
‘Rang’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 902.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
(error for Anodonta tawaii Rang, 1835)

Diplodon (Hyridella s.s.) menziezi Simpson, 1900
‘Gray’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 889.
‘Gray’ Simpson, 1914, Descr. Cat. Naiades: 1290.
(error for Unio menziesii Gray, 1843)

Diplodon (s.s.) aethiops var. piricicabana Simpson, 1900
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 877.
(error for Unio aethiops var. piracicabana Ihering, 1893)
Type(s): NOMEN NUDUM SMF_4031, Piracicaba, Geb. d Rio Tiete, St. Sao Paulo, Bras.

Cristaria (Crassitesta) radiata Simpson, 1900
Heude, 1881, Conch. Fluv. Nanking (7): pl. 52, fig. 96 [as ‘Dipsas parvus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 586.
Simpson, 1914, Descr. Cat. Naiades: 236.

Pleurobema avellana Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 81, pl. 2, figs. 6-7.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 758.
Simpson, 1914, Descr. Cat. Naiades: 778.
Type(s): HOLOTYPE UMMZ_79653, Cahaba River, Alabama.

Nodularia (s.s.) fischeriania Simpson, 1900
‘Morlet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 818.
‘Morlet’ Simpson, 1914, Descr. Cat. Naiades: 1009.
(error for Unio fischerianus Morlet, 1883)

Pleurobema patsaligensis Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 82, pl. 2, fig. 1.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 761.
Simpson, 1914, Descr. Cat. Naiades: 788.
Type(s): HOLOTYPE USNM_150475, Little Patsaliga Creek, Alabama.

Unio platiolus Simpson, 1900
‘Rafinesque’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 744.
‘Rafinesque’ Simpson, 1914, Descr. Cat. Naiades: 731.
(error for Obliquaria plateolus Rafinesque, 1831)

Anodonta jewittiana Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 927.
Frierson, 1927, Check List N. Amer. Naiades: 97.
(error for Anodonta jewettiana Lea, 1868)

Anodonta jewittii Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 927.
Frierson, 1927, Check List N. Amer. Naiades: 97.
‘Lea’ Haas, 1931, Senckenbergiana 13: 99.
(error for Anodonta jewettii Lea, 1868)

Unio cistelliformis Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 716.
Simpson, 1914, Descr. Cat. Naiades: 641.
Frierson, 1927, Check List N. Amer. Naiades: 29.
Haas, 1969, Das Tierreich 88: 228.
R.I. Johnson, 1970, Bull. MCZ 140(6): 317.
Davis et al., 1981, Biol. J. Linn. Soc. 15: 135.
Davis, 1984, Malacologia 25(2): 631.
Williams et al., 1993, Fisheries 18(9): 11.
Haag, 2012, N. Amer. Freshw. Mussels: 73.
(error for Unio cistellaeformis Lea, 1863)

Diplodon greefianus Simpson, 1900
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 875.
(error for Unio greeffeanus Ihering, 1893)

Glabaris (s.s.) philippianus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 919.
Simpson, 1914, Descr. Cat. Naiades: 1416.
(new name for Anodonta subsinuata Philippi, 1869)

Mutela lavigerina Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 906.
‘Bourguignat’ Simpson, 1914, Descr. Cat. Naiades: 1367.
(error for Mutela lavigeriana Bourguignat, 1886)

Spatha pangallicensis Simpson, 1900
‘Rochebrune’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 902.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
Simpson, 1914, Descr. Cat. Naiades: 1350.
(error for Spatha pangallensis Rochebrune, 1882)

Monocondylaea tamsana Simpson, 1900
‘Dunker’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 913.
‘Dunker’ Simpson, 1914, Descr. Cat. Naiades: 1392.
(error for Monocondylaea tamsiana Dunker, 1858)

Lampsilis tampecoensis Simpson, 1900
‘Lea’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 570.
(error for Unio tampicoensis Lea, 1838)

Nephronaias calimatarum Simpson, 1900
‘Morelet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 596.
(error for Unio calamitarum Morelet, 1849)

Unio zonata Simpson, 1900
‘Rafinesque’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 744.
Simpson, 1914, Descr. Cat. Naiades: 731.
Frierson, 1927, Check List N. Amer. Naiades: 90.
(error for Unio (Aximedia) zonalis Rafinesque, 1820)

Unio sacellus Simpson, 1900
‘Drouet & Chaper’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 818.
Simpson, 1914, Descr. Cat. Naiades: 1011.
Haas, 1924, Abh. Senckenb. Naturf. Ges. 38: 198.
(error for Unio saccellus Drouët & Chaper, 1892)

Unio aequitoria Simpson, 1900
‘Morelet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 823 [as ‘æquitoria’].
(error for Unio aequatorius Morelet, 1885)

Nodularia radiota Simpson, 1900
‘Charmes’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 824.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 84.
(error for Unio ratidotus Charmes, 1885)

Unio lourdelli Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 826.
(error for Unio lourdeli Bourguignat, 1887)

Parreysia gowhattenensis Simpson, 1900
‘Theobald’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 845.
(error for Unio gowhattensis Theobald, 1873)

Unio hagnei Simpson, 1900
‘Strubell’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 862.
(error for Unio hageni Strubell, 1897)

Unio ilqui Simpson, 1900
‘Soleilet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 862.
‘Soleillet’ Simpson, 1914, Descr. Cat. Naiades: 1193.
(error for Unio ilqi Bourguignat, 1885)

Anodon chiquetana Simpson, 1900
‘d’Orbigny’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 928.
‘d’Orbigny’ Simpson, 1914, Descr. Cat. Naiades: 1441.
(error for Unio (Anodontes) chiquitana d’Orbigny, 1835)

Unio menziezianus Simpson, 1900
‘Reeve’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 889.
(error for Unio menziesianus Reeve, 1865)

Anodontes sirionis Simpson, 1900
‘d’Orbigny’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 918.
‘d’Orbigny’ Simpson, 1914, Descr. Cat. Naiades: 1407.
(error for Unio (Anodontes) sirionos d’Orbigny, 1835)

Glabaris trapesialis var. cygnaeformis Simpson, 1900
‘Pilsbry’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 925.
‘Pilsbry’ Simpson, 1914, Descr. Cat. Naiades: 1432.
(error for Glabaris trapesialis var. cygneiformis Pilsbry, 1896)

Pseudodon loomisi Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 84, pl. 4, fig. 7.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 840.
Simpson, 1914, Descr. Cat. Naiades: 1101.

Monocondylaea rhombica Simpson, 1900
‘Küster’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 836.
Preston, 1912, Rec. Ind. Mus. 7: 295.
(error for Monocondylaea rhomboidea Küster, 1862)

Quadrula (sec. Fusconaia) coccinea var. paupercula Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 789.
(intro'd as intra-sp. of Unio coccineus Conrad, 1836; homonym of Unio pauperculus Lea, 1861; renamed Quadrula (sec. Fusconaia) coccinea var. magnalacustris Simpson, 1914)

Unio phayresi Simpson, 1900
‘Theobald’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 842.
Simpson, 1914, Descr. Cat. Naiades: 1107.
Preston, 1915, Fauna Brit. India: 155.
(intro'd as syn of Mya corrugata Müller, 1774)

Unio pequottianus Simpson, 1900
‘Linsley’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 744.
‘Linsley’ Simpson, 1914, Descr. Cat. Naiades: 731.
(error for Unio pequottinus Linsley, 1845)

Truncilla (Scalenaria) sulcata var. delicata Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 520, footnote.
Simpson, 1914, Descr. Cat. Naiades: 16.
(intro'd as intra-sp. of Unio sulcatus Lea, 1829)
Type(s): SYNTYPE USNM_160853, Amherstburg, Michigan.

Pleurobema fassinans var. rhomboidea Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 762.
Simpson, 1914, Descr. Cat. Naiades: 798.
(intro'd as intra-sp. of Unio fassinans Lea, 1868)
Type(s): LECTOTYPE USNM_133331, Clinch R., Va.

Nodularia sobolus Simpson, 1900
‘Fischer’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 819.
(error for Unio soboles Fischer, 1891)

Anodonta inaequivalvis Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 922.
Martens, 1900, Biol. Centr.-Amer., Moll.: 534.
Simpson, 1914, Descr. Cat. Naiades: 1423.
Mansur et al., 2020, [in] Damborenea, Rogers & Thorp, Freshw.Invert. Neotrop. 5: 424.
(error for Anodonta inaequivalva Lea, 1868)

Glabaris (s.s.) umbonatus Simpson, 1900
‘Gould’ Sowerby, 1870, Conch. Icon. 17: pl. 29, sp. 115, fig. 115b [as ‘Anodon ciconia’]. [in part]
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 926, footnote.
Simpson, 1914, Descr. Cat. Naiades: 1436.

Unio koseretzi Simpson, 1900
‘Clessin’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894.
Simpson, 1914, Descr. Cat. Naiades: 1312.
Haas, 1930, Senckenbergiana 12: 182.
Bonetto, 1964, Physis 24(68): 327.
Parodiz, 1968, Sterkiana 30: 7.
Bonetto & Mansur, 1970, Acta Zool. Lilloana 27: 245.
(error for Unio koseritzi Clessin, 1888)

Ptychobranchus clintonensis Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 79, pl. 5, fig. 3.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 613.
Simpson, 1914, Descr. Cat. Naiades: 335.
Type(s): HOLOTYPE USNM_124615, Little Red R., near Clinton, Ark.

Ptychorhynchus incertus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 851.
(new name for Unio compressus Heude, 1877)

Ptychorhynchus pfisteri var. inspiratus Simpson, 1900
‘Heude’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 851.
‘Heude’ Simpson, 1914, Descr. Cat. Naiades: 1145.
(error for Unio pfisteri var. insperatus Heude, 1877)

Hyriopsis velthuzeni Simpson, 1900
‘Schepman’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 581.
(error for Unio velthuizeni Schepman, 1896)

Glabaris (sec. Virgula) falsus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 932, footnote.
Simpson, 1914, Descr. Cat. Naiades: 1456.
Type(s): HOLOTYPE (MONOTYPY) USNM_86711, Yuruari River.

Parreysia simpularis Simpson, 1900
‘Heude’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 845.
Simpson, 1914, Descr. Cat. Naiades: 1122.
Haas, 1924, Abh. Senckenb. Naturf. Ges. 38: 159.
Haas, 1969, Das Tierreich 88: 106.
He & Zhuang, 2013, Freshwater Bivalves China: 95.
(error for Unio simpularius Heude, 1884)

Unio lortiti Simpson, 1900
‘Kobelt’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 690.
(error for Unio lorteti Kobelt, 1895)

Lampsilis (Carunculina) texasensis var. compressus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 564.
Simpson, 1914, Descr. Cat. Naiades: 150.
(intro'd as intra-sp. of Unio texasiensis Lea, 1857)

Lampsilis mearnsi Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 75, pl. 1, fig. 4.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 564.
Simpson, 1914, Descr. Cat. Naiades: 150.
Type(s): LECTOTYPE USNM_151549, Elm Cr., 27 mi from Ft. Clark, Texas.

Unio barrandii Simpson, 1900
‘Dupuy’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 692.
‘Dupuy’ Simpson, 1914, Descr. Cat. Naiades: 555.
(error for Unio barraudii Bonhomme, 1840)

Unio taniatus Simpson, 1900
‘Paetel’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 541.
‘Paetel’ Simpson, 1914, Descr. Cat. Naiades: 83.
(error for Unio taeniatus Conrad, 1834)

Lamellidens canefrianus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 857, footnote.
Simpson, 1914, Descr. Cat. Naiades: 1176.
(new name for Unio protensus Tapparone Canefri, 1889)

Lamellidens marginalis var. hanleyi Simpson, 1900
Hanley & Theobald, 1872, Conch. Indica (3): 20, pl. 44, fig. 4 [as ‘Unio marginalis var. corriana’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 855.
Simpson, 1914, Descr. Cat. Naiades: 1169.
(intro'd as intra-sp. of Unio marginalis Lamarck, 1819)

Unio billotianus Simpson, 1900
‘Charmes’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 847.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 84.
Simpson, 1914, Descr. Cat. Naiades: 1130.
Haas, 1936, Abh. Senckenb. Naturf. Ges. 431: 52.
Haas, 1969, Das Tierreich 88: 190.
Daget, 1998, Cat. Bivalves Africains: 65.
(error for Unio billottianus Charmes, 1885)

Nodularia (sec. Radiatula) lima Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 820.
Simpson, 1914, Descr. Cat. Naiades: 1018.
(new name for Unio radula Hanley, 1856)

Nephronaias reticulatus Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 77, pl. 2, fig. 3.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 595.
Simpson, 1914, Descr. Cat. Naiades: 268.
Type(s): HOLOTYPE USNM_152964, Patook [=Patuca] River, Capunta, Honduras.

Unio microstictis Simpson, 1900
‘Heude’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 799.
(error for Unio microstictus Heude, 1877)

Mutelina thottoni Simpson, 1900
‘Rochebrune’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 906.
(error for Mutelina tholloni Rochebrune, 1886)

Unio houngdaranicus Simpson, 1900
‘Tapparone Canefri’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 844.
Preston, 1912, Rec. Ind. Mus. 7: 301.
Simpson, 1914, Descr. Cat. Naiades: 1116.
Preston, 1915, Fauna Brit. India: 167.
Prashad, 1922, Rec. Ind. Mus. 24: 101.
Subba Rao, 1989, Freshw. Moll. India: 183.
Graf & Cummings, 2007, J. Moll. Studies 73: 311.
Bogan, 2010, FADA: [25].
(error for Unio houngdarauicus Tapparone Canefri, 1889)

Unio faidherbi Simpson, 1900
‘Jousseaume’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 822.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 84.
Simpson, 1914, Descr. Cat. Naiades: 1027.
(error for Reneus faidherbei Jousseaume, 1886)

Dromus dromus Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 615.
Haas, 1930, Senckenbergiana 12(6): 317.
Haas, 1969, Treatise on Invert. Paleo: N452.
Stansbery, 1970, Malacologia 10(1): 18.
Millard, 2001, Class. Moll. (3): 1066.
Serb, 2006, J. Moll. Studies 72: 427.
(error for Unio dromas Lea, 1834)

Unio nasutilus Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 735.
Simpson, 1914, Descr. Cat. Naiades: 691.
R.I. Johnson, 1970, Bull. MCZ 140(6): 334.
Burch, 1975, Freshw. Unio. North Amer.: 167.
Bogan, 2002, Workbook Key Freshw. Biv. NC: Table 5.
Perkins et al., 2017, Conserv. Genet. 18: 752.
Inoue et al., 2018, Invert. Syst. 32: Table S2.
(error for Unio nasutidus Lea, 1863)

Cyprogenia irrorata var. pusilla Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 610.
Simpson, 1914, Descr. Cat. Naiades: 328.
(intro'd as intra-sp. of Unio irroratus Lea, 1828)
Type(s): LECTOTYPE USNM_152004, Mammoth Cave (Green R.), Kentucky.

Leguminaia (sec. Leguminaia) locardi Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 653.
Simpson, 1914, Descr. Cat. Naiades: 449.
(new name for Pseudodon chantrei Locard, 1883)

Anodontites europae Simpson, 1900
‘Leach’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 624 [as ‘europæ’].
‘Leach’ Simpson, 1914, Descr. Cat. Naiades: 364 [as ‘europæ’].
(error for Anodontes europaea Leach, 1852)

Unio tahetianus Simpson, 1900
‘Catlow & Reeve’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 744.
‘Catlow & Reeve’ Simpson, 1914, Descr. Cat. Naiades: 731.
(error for Unio tahitianus Catlow & Reeve, 1845)

Quadrula (Lamprotula) kouangensis Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 799, footnote.
Simpson, 1914, Descr. Cat. Naiades: 923 [as ‘konangensis’].
(new name for Unio moreletianus Heude, 1883)

Margaritana etowahensis Simpson, 1900
‘Conrad’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 672.
Simpson, 1914, Descr. Cat. Naiades: 510.
Frierson, 1927, Check List N. Amer. Naiades: 19.
(error for Margaritana etowaensis Conrad, 1849)

Quadrula (Lamprotula) similaris Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 799.
Simpson, 1914, Descr. Cat. Naiades: 924.
(new name for Unio affinis Heude, 1875)

Unio granadensis Simpson, 1900
‘Conrad’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 598.
Simpson, 1914, Descr. Cat. Naiades: 289 [corrected in corrigenda].
Morrison, 1943, Nautilus 57: 15.
(error for Unio grandensis Conrad, 1855)

Unio guahybae Simpson, 1900
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894. [nomen nudum]
‘von Ihering’ Simpson, 1914, Descr. Cat. Naiades: 1312. [nomen nudum]
Type(s): NOMEN NUDUM SMF_168335, Guahyba, Rio Grande do Sul, Brasil.

Unio aethiopiformis Simpson, 1900
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894. [nomen nudum]
‘von Ihering’ Simpson, 1914, Descr. Cat. Naiades: 1312. [nomen nudum]
Type(s): NOMEN NUDUM MCZ_192369, Rio Camaquam, Rio Grande do Sul, Brazil.

Unio bishoffi Simpson, 1900
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894. [nomen nudum]

Unio sebastanae Simpson, 1900
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894. [nomen nudum]
‘von Ihering’ Simpson, 1914, Descr. Cat. Naiades: 1312. [nomen nudum]

Anodonta tabascoensis Simpson, 1900
‘Morelet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 646.
(error for Anodonta tabascensis Morelet, 1884)

Unio bythinicus Simpson, 1900
‘Kobelt’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 695.
Simpson, 1914, Descr. Cat. Naiades: 565.
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 141.
(error for Unio bithynicus Kobelt, 1893)

Burtonia leopoldvillensis Simpson, 1900
‘Putzeys’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 577.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
(error for Burtonia carrei Putzeys, 1898)

Hyriopsis bialatus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 579.
(new name for Unio delphinus Gruner, 1841; renamed Unio delphinopterus Dautzenberg & Fischer, 1905)

Diplodon frenzellii Simpson, 1900
‘Ihering’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 882.
Simpson, 1914, Descr. Cat. Naiades: 1264.
(error for Unio frenzelii Ihering, 1893)

Trapezoideus peninsularis Simpson, 1900
‘Lea’ Reeve, 1865, Conch. Icon. 16: pl. 28, sp. 142 [as ‘Unio sumatrensis’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 859, footnote.
Simpson, 1914, Descr. Cat. Naiades: 1186.
Type(s): TYPE BMNH_1964159, Sumatra.

Anodonta carthagena Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 922.
Simpson, 1914, Descr. Cat. Naiades: 1427.
(intro'd as syn of Anodonta trautwiniana Lea, 1852)

Unio idgi Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 862.
‘Bourguignat’ Simpson, 1914, Descr. Cat. Naiades: 1193.
(error for Unio ilqi Bourguignat, 1885)

Unio daniellii Simpson, 1900
‘Villa’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 891.
Simpson, 1914, Descr. Cat. Naiades: 1298.
(error for Unio danellii Villa, 1871)

Anodonta atrovireus Simpson, 1900
‘Philippi’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 933.
(error for Anodonta atrovirens Philippi, 1849)

Lampsilis australis Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 75, pl. 2, fig. 2.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 544.
Simpson, 1914, Descr. Cat. Naiades: 94.
Type(s): HOLOTYPE USNM_150473, Little Patsaliga Creek, Alabama.

Parreysia hypsiprimnus Simpson, 1900
‘von Martens’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 849.
Simpson, 1914, Descr. Cat. Naiades: 1136.
Haas, 1936, Abh. Senckenb. Naturf. Ges. 431: 68.
Woodward in Crowley et al., 1964, Annals Mus. R. Afr. Cent. 131: 47.
(error for Unio hypsiprymnus Martens, 1897)

Nodularia cylindrica Simpson, 1900
Schrenck, 1867, Reise Forsch. Amurlande 2: 694, pl. 27, figs. 1-3 [as ‘Unio grayanus Lea’].
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 84 [as ‘cylindracea’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 807.
Simpson, 1914, Descr. Cat. Naiades: 958.
(correct name for Nodularia cylindracea Simpson, 1900)

Anodonta rotundata Simpson, 1900
‘Trask’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 629.
(error for Anodonta rotundovata Trask, 1854)

Diplodon (Dipldon) cuprinus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 883.
(new name for Unio fragilis Reeve, 1865)

Diplodon (s.s.) aureus Simpson, 1900
‘Swainson’ Küster, 1861, Conchyl. Cab. 9(2): 161, pl. 46, fig. 3 [as ‘Unio auratus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 883.
Simpson, 1914, Descr. Cat. Naiades: 1268.

Anodon chiniana Simpson, 1900
‘Heude’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 639.
Preston, 1912, Rec. Ind. Mus. 7: 284.
(error for Anodon cheniana Heude, 1880)

Anodon obtusata Simpson, 1900
‘Heude’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 639.
Preston, 1912, Rec. Ind. Mus. 7: 284.
(error for Anodon obturata Heude, 1881)

Spatha wissmani Simpson, 1900
‘von Martens’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 896.
‘von Martens’ Simpson, 1914, Descr. Cat. Naiades: 1315.
(error for Spatha wissmanni Martens, 1883)

Lampsilis brittsi Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 76, pl. 5, figs. 1-2.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 533.
Simpson, 1914, Descr. Cat. Naiades: 58.
Type(s): HOLOTYPE USNM_152700, Little Niangua Riv., Camden Co., Mo.

Pilsbryoconcha lemsleyi Simpson, 1900
‘Morelet’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 588.
Suvatti, 1950, Fauna Thailand: 109.
(error for Anodonta lemeslei Morelet, 1875)

Pleurobema brevis var. subilliptica Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 763.
(error for Pleurobema brevis subelliptica Simpson, 1900)

Burtonia livingstonensis Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 578.
‘Bourguignat’ Simpson, 1914, Descr. Cat. Naiades: 205.
(error for Burtonia livingstoniana Bourguignat, 1883)

Unio castus Simpson, 1900
‘Lea’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 708.
(reference to Unio castus Lea, 1860)

Lampsilis (Proptera) explicatus Simpson, 1900
‘Morelet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 571. [in part]
(reference to Unio explicatus Morelet, 1849)

Lampsilis (Proptera) explicatus Simpson, 1900
‘Morelet’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 571, footnote 4. [in part]
(misidentified reference to Unio explicatus Morelet, 1849)

Burtonia lavigerina Simpson, 1900
‘Bourguignat’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 577.
Simpson, 1914, Descr. Cat. Naiades: 204.
Pain & Woodward, 1968, Rev. Zool. Botan. Afr. 77: 213.
(error for Burtonia lavigeriana Bourguignat, 1886)

Unio dorbignyanus Simpson, 1900
‘Sowerby’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 866 [as ‘d’orbignyanus’].
‘Sowerby’ Simpson, 1914, Descr. Cat. Naiades: 1208 [as ‘d’orbignyanus’].
(error for Unio dorbignianus Sowerby, 1868)

Spatha (s.s.) lacustris Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 898.
Simpson, 1914, Descr. Cat. Naiades: 1330.
(new name for Spatha anceyi Ancey, 1894)
Type(s): HOLOTYPE MRAC_57521, N. Nyassa, Karonga.

Anodon javana Simpson, 1900
‘Sowerby’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 588.
Preston, 1912, Rec. Ind. Mus. 7: 282.
Simpson, 1914, Descr. Cat. Naiades: 242.
Haas, 1920, Conch. Cab. 9 (pt. 2, h. 52): 297.
Haas, 1969, Das Tierreich 88: 382.
(error for Anodon javona Sowerby, 1867)

Quadrula flexuosa Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 83, pl. 2, fig. 8.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 790.
Simpson, 1914, Descr. Cat. Naiades: 887.

Margaritana hembeli Simpson, 1900
‘Conrad’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 679.
Ortmann, 1912, Ann. Carnegie Mus. 8: 235, fig. 3.
Simpson, 1914, Descr. Cat. Naiades: 523. [in part]
Clench & Turner, 1956, Bull. Fla. State Mus. 1: 148, pl. 5, fig. 1.
(misidentified reference to Unio hembeli Conrad, 1838)

Spatha protchi Simpson, 1900
‘Rochebrune’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 902.
(error for Spathella protchei Rochebrune, 1886)

Pleurobema argentea pannosa Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 82.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 763.
Simpson, 1914, Descr. Cat. Naiades: 799.
(intro'd as intra-sp. of Unio argenteus Lea, 1841)

Pleurobema brevis subelliptica Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 80.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 763 [as ‘subilliptica’].
Simpson, 1914, Descr. Cat. Naiades: 801.
(intro'd as intra-sp. of Unio brevis Lea, 1872)
Type(s): LECTOTYPE USNM_159952, Hardy, Ark.

Quadrula (sec. Rotundaria) granifera var. pusilla Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 795.
Simpson, 1914, Descr. Cat. Naiades: 906.
(intro'd as intra-sp. of Unio graniferus Lea, 1838)
Type(s): LECTOTYPE MCZ_20176, Green River, Kentucky.

Quadrula guatemalensis Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 83, pl. 2, fig. 4.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 796.
Simpson, 1914, Descr. Cat. Naiades: 909.
Type(s): HOLOTYPE (MONOTYPY) USNM_128991, Usumacinta River, Guatemala.

Unio valentinus Simpson, 1900
‘Sowerby’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 692.
‘Sowerby’ Simpson, 1914, Descr. Cat. Naiades: 555.
(error for Unio valentianus Sowerby, 1866)

Unio averillii Simpson, 1900
“Wright” of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 560.
Simpson, 1914, Descr. Cat. Naiades: 138.
Frierson, 1927, Check List N. Amer. Naiades: 76.
R.I. Johnson, 1970, Bull. MCZ 140(6): 373.
R.I. Johnson, 1972, Bull. Fla. State Mus. 16(4): 237.
Burch, 1975, Freshw. Unio. North Amer.: 159.
(error for Unio averellii B.H. Wright, 1888)

Unio bleaverensis Simpson, 1900
‘Pætel’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 724.
(error for Unio blauverenses Paetel, 1890)

Unio longitudinatus Simpson, 1900
‘Anton’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 862.
‘Anton’ Simpson, 1914, Descr. Cat. Naiades: 1193.
(error for Unio (s.s.) longedentatus Anton, 1839)

Spatha (Moncetia) lavigerina Simpson, 1900
‘Bourguignat’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 901.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
Simpson, 1914, Descr. Cat. Naiades: 1346.
(error for Moncetia lavigeriana Bourguignat, 1886)

Anodonta wahlametensis Simpson, 1900
‘Lea’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 629.
Arnold, 1908, Proc. U.S. Nat. Mus. 34: 355.
Simpson, 1914, Descr. Cat. Naiades: 379.
Henderson, 1935, GSA, Spec. Pap. 3: 66.
Davis & Fuller, 1981, Malacologia 20: 219.
Mock et al., 2004, Molec. Ecol. 13: 1090.
(error for Anodonta wahlamatensis Lea, 1838)

Spatha (Moncetia) rochebruneana Simpson, 1900
‘Bourguignat’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 901.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 87.
Simpson, 1914, Descr. Cat. Naiades: 1346.
(error for Moncetia rochebruniana Bourguignat, 1886)

Diplodon (s.s.) leai Simpson, 1900
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 32 [as ‘Margarita (Unio) modestus’]. [nomen nudum]
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 876, footnote.
Simpson, 1914, Descr. Cat. Naiades: 1241.
Type(s): SYNTYPE USNM_85725, Brazil.

Lampsilis (s.s.) binominatus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 528.
Simpson, 1914, Descr. Cat. Naiades: 42.
(new name for Unio lineatus Lea, 1840)

Diplodon (s.s.) wagnerianum Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 877.
Simpson, 1914, Descr. Cat. Naiades: 1246 [as ‘wagnerianus’].
(new name for Diplodon ellipticum Wagner, 1827)

Unio oblatus Simpson, 1900
Lea, 1863, Proc. Acad. Nat. Sci. 15: 193 [as ‘ablatus’].
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 13 [17], pl. 4, fig. 10.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 730.
(new name for Unio ablatus Lea, 1863)
Type(s): HOLOTYPE USNM_86001, Gaston Co., N.C.

Lampsilis (sec. Eurynia) ligamentina var. gibbus Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 540.
Simpson, 1914, Descr. Cat. Naiades: 82.
(intro'd as intra-sp. of Unio ligamentina Lamarck, 1819)
Type(s): SYNTYPE USNM_160597, Black Rock, Arkansas.

Anodonta shefferiana Simpson, 1900
‘Clessin’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 617.
(error for Anodonta shaefferiana Lea, 1852)

Lampsilis (Proptera) lividus Simpson, 1900
‘Morelet’ Reeve, 1865, Conch. Icon. 16: pl. 22, sp. 101 [as ‘Unio testudineus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 571.
Simpson, 1914, Descr. Cat. Naiades: 174.

Spatha (Moncetia) monieti Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 901.
(error for Moncetia moineti Bourguignat, 1886)

Unio (sec. Lymnium) pseudonymus Simpson, 1900
‘Bourg.’ Kobelt, 1886, Icon. Land- und Süssw.-Moll. 2: 22, pl. 41, fig. 255 [as ‘U. hueti’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 694.
Simpson, 1914, Descr. Cat. Naiades: 560.

Anodonta schlaflii Simpson, 1900
‘Mousson’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 648.
(error for Anodonta schlaeflii Mousson, 1874)

Unio buckleyi Simpson, 1900
‘Lea’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 713.
(misidentified reference to Unio buckleyi Lea, 1843)

Unio bandanii Simpson, 1900
‘Küster’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 686.
(error for Unio bandinii Rossmässler, 1837)

Cameronia lavigirina Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 910.
(error for Cameronia lavigeriana Bourguignat, 1886)

Cameronia vynckii Simpson, 1900
‘Bourguignat’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 910.
Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 86.
(error for Cameronia vynckei Bourguignat, 1886)

Cameronia randebeli Simpson, 1900
‘Bourguignat’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 910.
(error for Cameronia randabeli Bourguignat, 1886)

Unio sapperi Ihering, 1901
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 571, footnote 4 [as ‘Unio explicatus’].
Ihering, 1901, Nautilus 15(5): 50.
Type(s): TYPE SMF_3477, Río Chixoy, Nebemfld. Río Usumacinta, Guatemala.

Unio bischoffi Simpson, 1914
‘von Ihering’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894 [as ‘bishoffi’]. [nomen nudum]
‘von Ihering’ Simpson, 1914, Descr. Cat. Naiades: 1312. [nomen nudum]

Diplodon (s.s.) suppositus Simpson, 1914
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 877. [nomen nudum]
Simpson, 1914, Descr. Cat. Naiades: 1245.
Type(s): SYNTYPE USNM_162374, Parana, Brazil.

Diplodon (s.s.) iheringi Simpson, 1914
‘Clessin’ Simpson, 1900, Proc. U.S. Nat. Mus. 22: 894. [nomen nudum]
‘Clessin’ Simpson, 1914, Descr. Cat. Naiades: 1272.
Type(s): SYNTYPES SMF_11312, Rio Guahyba, Rio Gr. do Sul, Bras.

Taxonomic Opinions

Alasmidonta (Bullella) arcula (Lea, 1838)

Alasmidonta (Bullella) triangulata (Lea, 1858)

Alasmidonta (Pressodonta) calceola (Lea, 1830)
+ Alasmodonta truncata Conrad, 1834
+ Margaritana deltoidea Lea, 1838

Alasmidonta (Pressodonta) collina (Conrad, 1837)

Alasmidonta (Pressodonta) diversa (Conrad, 1856)

Alasmidonta (Pressodonta) etowahensis [sic] Conrad, 1849

Alasmidonta (Pressodonta) georgiana (Lea, 1859)
+ Margaritana etowahensis Lea, 1858
+ Alasmodonta impressa J.G. Anthony, 1865

Alasmidonta (Pressodonta) heterodon (Lea, 1829)

Alasmidonta (Pressodonta) holstonia (Lea, 1838)
+ Unio holstonianus Hanley, 1843
+ Margaritana holstoniana Küster, 1862
+ Unio holstonianus Sowerby, 1868
+ Unio striatus Sowerby, 1868

Alasmidonta (Pressodonta) minor (Lea, 1845)

Alasmidonta (Rugifera) marginata Say, 1819
+ Unio varicosa Lamarck, 1819
+ Unio cariosa Lamarck, 1819
+ Unio rugulosus Wood, 1828
+ Alasmidonta marginata Say, 1834
+ Alasmodon corrugata De Kay, 1843
+ Alasmodon marginata De Kay, 1843

Alasmidonta (Rugifera) raveneliana (Lea, 1834)
+ Unio swananoensis Hanley, 1843

Alasmidonta (Rugifera) truncata (Wright, B.H., 1898)
+ Alasmodonta truncata Lea, 1836
+ Margaritana marginata Küster, 1862

Alasmidonta (s.s.) undulata (Say, 1816)
+ Unio glabratus Sowerby & Sowerby, 1821
+ Unio hians Valenciennes, 1827
+ Alasmodonta sculptilis Say, 1829
+ Uniopsis radiata Swainson, 1840
+ Uniopsis mytiloides Swainson, 1840
+ Unio swainsoni Sowerby, 1868

Alasmidonta atropurpureum Rafinesque, 1831

Alasmidonta badium Rafinesque, 1831

Alasmidonta columbensis Lea, 1867

Alasmidonta hians Rafinesque, 1831

Alasmidonta papyraceum Rafinesque, 1831

Alasmidonta scriptum Rafinesque, 1831

Alasmidonta viridis Rafinesque, 1831

Anodonta anatinus (Sowerby, 1836)

Anodonta apollonica Bourguignat, 1880

Anodonta arcaeformis (Heude, 1877)

Anodonta aureus Paetel, 1890

Anodonta bealei Lea, 1863

Anodonta beringiana Middendorff, 1851
+ Anodonta youkanensis Lea, 1867
+ Anodonta youconensis Lea, 1867
+ Anodonta youcanensis Lea, 1867

Anodonta brandti Drouet, 1888

Anodonta californiensis Lea, 1852

Anodonta calipygos Kobelt, 1879

Anodonta callifera von Martens, 1860

Anodonta cataracta Say, 1816
+ Anodonta fluviatilis Bosc, 1801
+ Mytilus marginatus Eaton, 1826
+ Anodonta digonota Ferussac, 1835
+ Anodonta virgulata Lea, 1857
+ Anodonta williamsii Lea, 1862
+ Anodonta tryonii Lea, 1862

Anodonta chantrei Bourguignat, 1883

Anodonta chinensis Paetel, 1890

Anodonta cilicia [sic] Kobelt & Rolle, 1895

Anodonta coarctata Anton, 1839
+ Anodonta chapalensis Crosse & Fischer, 1893

Anodonta cochlearis (Sowerby, 1870)

Anodonta cornea Philippi, 1848

Anodonta corpulenta Cooper, 1834

Anodonta curvata Jay, 1839

Anodonta cygnea (Linnaeus, 1758)
+ Mytilus radiatus Müller, 1774
+ Mytilus zellensis Gmelin, 1791
+ Mytilus stagnalis Gmelin, 1791
+ Anodonta variabilis Draparnaud, 1801
+ Anodonta cygnaea Poiret, 1801
+ Mytilus avonensis Montagu, 1803
+ Mytilus avoensis Turton, 1807
+ Mytilus fucatus Dillwyn, 1817
+ Anodonta sulcata Lamarck, 1819
+ Anodonta intermedia Lamarck, 1819
+ Anodonta cellensis Pfeiffer, 1821
+ Mytilus incrassatus Sheppard, 1821
+ Mytilus macula Sheppard, 1821
+ Anodon paludosus Turton, 1822
+ Anodonta piscinalis Nilsson, 1822
+ Anodonta ventricosa C. Pfeiffer, 1825
+ Anodonta ventricosa C. Pfeiffer, 1825
+ Anodonta minima Millet, 1831
+ Anodonta oblonga Millet, 1831
+ Anodonta attenuata Held, 1836
+ Anodonta luxata Held, 1837
+ Anodonta exulcerata Porro, 1838
+ Anodonta callosa Küster, 1839
+ Anodonta tenella Küster, 1842
+ Anodonta cariosa Küster, 1842
+ Anodonta arealis Küster, 1842
+ Anodonta charpentierii Küster, 1842
+ Anodonta anserirostris Küster, 1842
+ Anodonta inornata Küster, 1842
+ Anodonta tumida Küster, 1842
+ Anodonta subluxata Küster, 1842
+ Anodonta sondermannii Küster, 1842
+ Anodonta opalina Küster, 1842
+ Anodonta nilssonii Küster, 1842
+ Anodonta rossmassleriana Dupuy, 1843
+ Anodonta coarctata Potiez & Michaud, 1844
+ Anodonta elongata Potiez & Michaud, 1844
+ Anodonta glabra Stabile, 1845
+ Anodonta lusitana Morelet, 1845
+ Anodonta regularis Morelet, 1845
+ Anodonta macilenta Morelet, 1845
+ Anodonta ranarum Morelet, 1845
+ Anodonta milletii Ray & Drouët, 1848
+ Anodonta gratelupeana Gassies, 1849
+ Anodonta dupuyii Ray & Drouët, 1849
+ Anodonta rayii Dupuy, 1849
+ Anodonta normandi Dupuy, 1849
+ Anodonta subponderosa Dupuy, 1849
+ Anodonta arelatensis Dupuy, 1850
+ Anodonta moulinsiana Dupuy, 1850
+ Anodonta scaldiana Dupuy, 1850
+ Anodonta idrina Spinelli, 1851
+ Anodontes europaea Leach, 1852
+ Anodonta parvula Drouët, 1852
+ Anodonta ventricosa Küster, 1853
+ Anodonta atrovirens Stabile, 1859
+ Anodonta helvetica Bourguignat, 1862
+ Anodonta psammita Bourguignat, 1862
+ Anodonta melinia Bourguignat, 1865
+ Anodonta elachista Bourguignat, 1865
+ Anodonta pictetiana Brot, 1867
+ Anodon simplicidus Sowerby, 1867

Anodonta cygnea var. anatina (Linnaeus, 1758)
+ Mytilus anatinus Maton & Rackett, 1807
+ Anodonta complanata Rossmässler, 1835
+ Anodonta anatina Clessin, 1876

Anodonta cygnea var. ponderosa Pfeiffer, C., 1825

Anodonta cygnea var. rostrata Rossmässler, 1836

Anodonta dalei Lesson, 1844

Anodonta danielsii Lea, 1858

Anodonta dariensis Lea, 1858

Anodonta dejecta Lewis, 1875
+ Anodonta mearnsiana Simpson, 1893

Anodonta dignota [sic] Rafinesque, 1831

Anodonta doliaris Lea, 1863
+ Anodonta dolearis Lea, 1863

Anodonta doliolum (Heude, 1878)

Anodonta euscaphys (Heude, 1879)

Anodonta exilior Lea, 1871
+ Anodonta chalcoensis Crosse & Fischer, 1893

Anodonta fenouilii (Heude, 1878)

Anodonta fluminea (Heude, 1877)
+ Anodon torrentis Heude, 1878

Anodonta fragilis Fitzinger, 1833

Anodonta gallandi Bourguignat, 1880

Anodonta gibbosa Say, 1824
+ Anodonta cowperiana Lea, 1840
+ Anodonta couperiana Lea, 1840
+ Anodonta cooperiana Paetel, 1890

Anodonta gibbosa var. dunlapiana Lea, 1842
+ Anodon dunlopiana Sowerby, 1869

Anodonta globosa Lea, 1841
+ Anodon nopalatensis Sowerby, 1867

Anodonta globosula (Heude, 1878)

Anodonta grandis Say, 1829
+ Anodonta ovata Lea, 1838
+ Anodonta salmonia Lea, 1838
+ Anodonta lewisii Lea, 1857
+ Anodonta salmonea Sowerby, 1867

Anodonta grandis var. benedictensis (Lea, 1834)
+ Anodonta cultrata Lea, 1852
+ Margaron (Anodonta) benedictii Lea, 1870

Anodonta grandis var. footiana Lea, 1840
+ Anodonta maryattana Lea, 1840
+ Anodonta maryattiana Lea, 1840
+ Anodonta sulcata Küster, 1842
+ Anodonta nilssonii Küster, 1842
+ Anodonta marryattana Conrad, 1853
+ Anodon imbricata J.G. Anthony, 1865
+ Anodon subinflata J.G. Anthony, 1865
+ Anodon edentulus Sowerby, 1867
+ Anodonta houghtonensis DeCamp, 1881

Anodonta grandis var. gigantea Lea, 1834 [sic]
+ Anodonta plana Lea, 1834
+ Anodonta declivis Conrad, 1834
+ Anodonta palna Lea, 1834
+ Anodonta decora Lea, 1838
+ Anodonta harpethensis Lea, 1840
+ Anodonta opalina Küster, 1842
+ Anodon subangulata J.G. Anthony, 1865
+ Anodon opalina J.G. Anthony, 1865
+ Anodon mcnielii J.G. Anthony, 1866
+ Anodon subgibbosa J.G. Anthony, 1866
+ Anodon inornata J.G. Anthony, 1866
+ Anodon ovata Sowerby, 1869
+ Margaron (Anodonta) subglobosa Lea, 1870

Anodonta grandis var. leonensis Lea, 1862

Anodonta hallenbeckii Lea, 1858
+ Anodonta gesnerii Lea, 1858
+ Anodonta gessneri Paetel, 1890

Anodonta harlandi Baird & Adams, 1867

Anodonta henryana Lea, 1857
+ Anodonta impura Say, 1829
+ Anodonta henryiana Lea, 1857

Anodonta hockingensis Call, 1880

Anodonta imbecillis Say, 1829
+ Anodonta incerta Lea, 1834
+ Anodon horda Gould, 1855
+ Anodonta hordeum Paetel, 1890

Anodonta implicata Say, 1829
+ Anodonta newtonensis Lea, 1838
+ Anodonta newtoniensis Lea, 1838
+ Anodonta excurvata De Kay, 1843
+ Anodonta housatonica Gould, 1848

Anodonta inflata Rafinesque, 1831

Anodonta japonica von Martens in Clessin, 1874
+ Anodonta cellensis Kobelt, 1879
+ Anodonta kobelti Ihering, 1893
+ Anodonta haconensis Ihering, 1893

Anodonta jourdyi Morlet, 1886

Anodonta kennerlyi Lea, 1860
+ Anodon kennerleyi Sowerby, 1870

Anodonta kennicottii Lea, 1861
+ Anodonta simpsoniana Lea, 1861
+ Anodonta dallasiana Lea, 1863

Anodonta laminata Rochebrune, 1881

Anodonta lauta von Martens, 1877
+ Anodonta woodiana Kobelt, 1879
+ Anodonta lauta var. rostrata Kobelt, 1879

Anodonta linneana [sic] Lea, 1852

Anodonta lucasi DeShayes, 1848
+ Anodon lucasii Morelet, 1851
+ Anodonta embia Bourguignat, 1864

Anodonta lucida (Heude, 1878)

Anodonta lugubris Say, 1829

Anodonta lurulenta Morelet, 1849

Anodonta marginata Say, 1816
+ Anodonta fragilis Lamarck, 1819
+ Anodonta lacustris Lea, 1857
+ Anodon flava J.G. Anthony, 1865
+ Anodon pallida J.G. Anthony, 1865
+ Anodon glandulosa J.G. Anthony, 1865
+ Anodon irisans J.G. Anthony, 1865
+ Anodon hordeum Sowerby, 1867
+ Anodonta subcarinata Currier, 1867
+ Anodon subcylindracea Sowerby, 1867
+ Anodon exilis Sowerby, 1870
+ Anodon pholadiformis Sowerby, 1870

Anodonta martensii Clessin, 1876

Anodonta micans (Anthony, J.G., 1865)

Anodonta numidica Bourguignat, 1864
+ Anodonta letourneuxi Bourguignat, 1864

Anodonta nuttalliana Lea, 1838
+ Anodonta triangularis Trask, 1854

Anodonta ohioensis [sic] Rafinesque, 1820

Anodonta opaca Lea, 1852

Anodonta oregonensis Lea, 1838
+ Anodon cognata Gould, 1850

Anodonta ovata Stark, 1822

Anodonta pepiniana Lea, 1838
+ Anodonta pepiniana Clessin, 1874

Anodonta pictus (Swainson, 1841)

Anodonta polymorpha ‘Küster’ Lea, 1870

Anodonta pseudodontopsis Bourguignat [sic]
+ Anodonta pseudodontopsis Crosse, 1883

Anodonta pumila (Heude, 1879)

Anodonta radiata Valenciennes, 1824

Anodonta recurvirostra ‘Kuster’ Lea, 1870

Anodonta retteri Drouet, 1899

Anodonta rivularis (Heude, 1877)

Anodonta schlaflii [sic] Mousson, 1874

Anodonta sedakowi Siemaschko, 1848

Anodonta somersi ‘Moore ms’ Call, 1880

Anodonta stewartiana Lea, 1834
+ Anodonta virens Lea, 1852

Anodonta subcircularis Clessin, 1873

Anodonta suborbiculata Say, 1831

Anodonta subsinuata Philippi, 1869

Anodonta sulcosa Adams & Adams, 1857

Anodonta tabascoensis [sic] Morelet, 1884

Anodonta teres Conrad, 1834

Anodonta texasensis Lea, 1859

Anodonta triangularis (Sowerby, 1870)

Anodonta trigona Held, 1836

Anodonta truncata ‘Kuster, 1866’ [sic]

Anodonta tunizana Morelet, 1864

Anodonta undulifera Clessin, 1876

Anodonta vescoiana Bourguignat, 1856

Anodonta viridis Adams & Adams, 1857

Anodonta wahlametensis [sic] Lea, 1838
+ Anodonta rotundovata Trask, 1854
+ Anodon rostratus Sowerby, 1867
+ Anodonta laosensis Fischer, 1891

Anodonta woodiana (Lea, 1834)
+ Symphynota magnifica Lea, 1834
+ Anodon rotundatus Swainson, 1841
+ Anodon gibbum Cantor, 1842
+ Anodonta aurata Küster, 1853
+ Anodonta magnifica Schrenck, 1867
+ Anodon tricostatus Sowerby, 1870
+ Anodonta edulis Heude, 1874
+ Anodon securiformis Heude, 1877
+ Anodon nigricans Heude, 1877
+ Anodon piscatorum Heude, 1878
+ Anodon elliptica Heude, 1878
+ Anodon fusca Heude, 1878
+ Anodon friniana Heude, 1878
+ Anodon joreti Heude, 1878
+ Anodon striata Heude, 1878
+ Anodon pacifica Heude, 1878
+ Anodon tumida Heude, 1879
+ Anodon subtetragona Heude, 1879
+ Anodon lineata Heude, 1879
+ Anodon irregularis Heude, 1879
+ Anodon melanochlorea Heude, 1879
+ Anodon agricolarum Heude, 1879
+ Anodon mingorum Heude, 1879
+ Anodon bigibba Heude, 1880
+ Anodon despecta Heude, 1880
+ Anodon obtusa Heude, 1880
+ Anodon navicella Heude, 1880
+ Anodon orbicularis Heude, 1880
+ Anodon limosa Heude, 1880
+ Anodon livida Heude, 1880
+ Anodon castanea Heude, 1880
+ Anodon minuta Heude, 1880
+ Anodon succinea Heude, 1880
+ Anodon cheniana Heude, 1880
+ Anodon scaphydium Heude, 1880
+ Anodon puerorum Heude, 1880
+ Anodon indecora Heude, 1880
+ Anodon sorini Heude, 1881
+ Anodon rosea Heude, 1881
+ Anodon aubryi Heude, 1881
+ Anodon confusa Heude, 1881
+ Anodon obturata Heude, 1881
+ Anodon rubella Heude, 1881
+ Anodon pulchella Heude, 1881
+ Anodon florida Heude, 1881
+ Anodonta retusa Heude, 1884
+ Anodon intemerata Heude, 1885
+ Anodon filippiana Heude, 1885
+ Anodon fantozatiana Heude, 1885
+ Anodonta scaphidium Paetel, 1890

Anodontoides ferussacianus (Lea, 1834)
+ Anodonta buchanensis Lea, 1838
+ Anodonta argentea Lea, 1840
+ Anodonta ferruginea Lea, 1840
+ Anodon plicatus Haldeman, 1842
+ Anodonta denigrata Lea, 1852
+ Anodonta oblita Lea, 1852
+ Anodon subcylindracea Sowerby, 1867

Anodontoides ferussacianus var. modestus (Lea, 1857)

Anodontoides ferussacianus var. subcylindraceus (Lea, 1838)

Arcidens confragosus (Say, 1829)

Arcidopsis footei (Theobald, 1876)

Arconaia conjungens (Heude, 1877)

Arconaia lanceolata (Lea, 1856)
+ Triquetra contorta Lea, 1857

Arconaia mutica (Heude, 1877)

Bariosta diploderma Rafinesque, 1831

Bariosta ponderosus Rafinesque, 1831

Bariosta vittatis Rafinesque, 1831

Brazzaea anceyi Bourguignat, 1885
+ Brazzaea eximia Bourguignat, 1886

Brazzaea bourguignati Bourguignat, 1886

Brazzaea bridouxi Bourguignat, 1886

Brazzaea charbonnieri Bourguignat, 1886

Brazzaea coulboisi Bourguignat, 1886

Brazzaea elongata Bourguignat, 1886

Brazzaea jourdyi [sic] Bourguignat, 1886

Brazzaea lavigerina [sic] Bourguignat, 1886

Brazzaea moineti Bourguignat, 1886

Brazzaea newcombiana Bourguignat, 1886

Brazzaea randabeli Bourguignat, 1886

Brazzaea ventrosa Bourguignat, 1886

Callonaia duprei (Récluz, 1843)
+ Castalia dolabella Sowerby, 1869

Castaliella sulcata (Krauss, 1849)
+ Unio kraussii Lea, 1853

Castalina martensi von Ihering, 1891

Castalina nehringi von Ihering, 1891

Castalina orbignyi (Húpe & Deville, 1850)
+ Unio orbignyana Hupé, 1857
+ Unio dorbignianus Sowerby, 1868

Castalina psammoica (d’Orbigny, 1835)

Castalina undosa (von Martens, 1885)

Chamberlainia duclerci (Rochebrune, 1882)

Chamberlainia hainesiana (Lea, 1856)
+ Unio imperialis Morelet, 1862

Chamberlainia paviei (Morelet, 1891)

Chelidonopsis arietina (Rochebrune, 1886)

Chelidonopsis hirundo (von Martens, 1881)

Colletopterum eximium (Bourguignat, 1870)

Colletopterum letourneuxi (Bourguignat, 1870)

Colletopterum præclarum (Bourguignat, 1870)

Colletopterum tanousi (Bourguignat, 1870)

Cristaria (Crassitesta) radiata Simpson, 1900
+ Dipsas parvulus Heude, 1881

Cristaria (Pletholophus) discoidea (Lea, 1834)
+ Unio tenuis Griffith & Pidgeon, 1833
+ Unio magnificus Griffith & Pidgeon, 1833
+ Anodonta chinensis Küster, 1853
+ Anodonta gruneriana Clessin, 1876

Cristaria (Pletholophus) gentiliana Heude, 1881

Cristaria (Pletholophus) parvula (Heude, 1878)

Cristaria (Pletholophus) reiniana von Martens, 1875

Cristaria (Pletholophus) swinhoei (Adams, H., 1866)
+ Unio swinhoei Sowerby, 1866

Cristaria (s.s.) bellua (Morelet, 1866)

Cristaria (s.s.) herculea (Middendorff, 1848)
+ Unio (Anodonta) smaragdina Anton, 1839
+ Dipsas plicata var. clessini Kobelt, 1879

Cristaria (s.s.) plicata (Leach, 1815)
+ Cristaria tuberculata Schumacher, 1817
+ Anodonta dipsas Blainville, 1825
+ Symphynota bialata Lea, 1829
+ Anodonta magnifica Clessin, 1873
+ Dipsas occidentalis Heude, 1885
+ Barbala plicatula Paetel, 1890

Cristaria (s.s.) spatiosa (Clessin, 1875)
+ Anodon herculeus Sowerby, 1867
+ Dipsas plicata var. japonica Kobelt, 1879

Ctenodesma borneensis (Issel, 1874)
+ Unio plicatulus Lea, 1859
+ Unio pensitatus Fischer & Crosse, 1894

Ctenodesma guppyi (Smith, E.A., 1885)

Cuneopsis capitatus (Heude, 1874)

Cuneopsis celtiformis (Heude, 1874)

Cuneopsis heudei (‘Bazin ms’ Heude, 1874)
+ Unio corderii Heude, 1875

Cuneopsis pisciculus (Heude, 1874)
+ Unio retortus Martens, 1875

Cuneopsis rufescens (Heude, 1874)

Cyprogenia aberti (Conrad, 1850)
+ Unio lamarckianus Lea, 1852
+ Unio popenoi Call, 1885

Cyprogenia irrorata (Lea, 1828)
+ Unio verrucosus albus Hildreth, 1828
+ Unio stegarius Say, 1834

Cyprogenia irrorata var. pusilla Simpson, 1900

Dalliella crassa (Drouet, 1892)

Dalliella crepera (Lea, 1850)
+ Anodon crepera Sowerby, 1867

Dalliella gracilis (Lea, 1850)

Dalliella insularis (Drouet, 1894)

Dalliella purpurea (Valenciennes, 1833)
+ Anodonta burroughiana Lea, 1834
+ Unio bengalensis Lea, 1838
+ Unio verecundus Gould, 1850
+ Anodonta chinensis Küster, 1853
+ Unio mauritianus Lea, 1859
+ Anodon bengalensis Sowerby, 1867
+ Anodonta heldii Clessin, 1873

Dalliella semmelinki von Martens, 1891

Dalliella serradelli (Drouet, 1892)

Dalliella subcrassa (Lea, 1850)

Dalliella tenuis (Lea, 1850)

Diplodon (Cyclomya s.s.) disculus (Lea, 1860)

Diplodon (Cyclomya s.s.) fontainianus (d’Orbigny, 1835)
+ Unio fontaineana d’Orbigny, 1846

Diplodon (Cyclomya s.s.) funebralis (Lea, 1860)

Diplodon (Cyclomya s.s.) gratus (Lea, 1860)

Diplodon (Cyclomya s.s.) paranensis (Lea, 1834)
+ Unio nocturnus Lea, 1860

Diplodon (Cyclomya s.s.) patelloides (Lea, 1860)

Diplodon (Cyclomya s.s.) peraeformis (Lea, 1860)

Diplodon (Cyclomya s.s.) rotundus (Wagner, 1827)
+ Unio rotundus Moricand, 1838

Diplodon (Cyclomya sec. Bulloideus) bulloides (Lea, 1859)

Diplodon (Cyclomya sec. Bulloideus) solisianus (d’Orbigny, 1835)

Diplodon (Cyclomya sec. Bulloideus) variabilis (Maton, 1811)
+ Unio matoniana d’Orbigny, 1835
+ Unio membranacea Hanley, 1843

Diplodon (Hyridella s.s.) australis (Lamarck, 1819) Hanley, 1842
+ Unio depressa Lesson, 1830
+ Unio ambiguus Philippi, 1847
+ Unio australis Philippi, 1848
+ Unio balonnensis Conrad, 1850
+ Unio shuttleworthi Küster, 1856
+ Unio philippianus Küster, 1861
+ Unio danellii Villa, 1871
+ Unio bednalli Tate, 1882

Diplodon (Hyridella s.s.) australis var. legrandi (Petterd, 1889)
+ Unio depressus Reeve, 1864

Diplodon (Hyridella s.s.) cultelliformis (Conrad, 1850)
+ Unio depressa Lamarck, 1819
+ Unio paramattensis Lea, 1862

Diplodon (Hyridella s.s.) dorsuosus (Gould, 1851)
+ Unio napeanensis Conrad, 1850

Diplodon (Hyridella s.s.) evansi (Adams & Angas, 1864)

Diplodon (Hyridella s.s.) flyensis (Tapparone Canefri, 1883)

Diplodon (Hyridella s.s.) glenelgensis (Dennant, 1898)

Diplodon (Hyridella s.s.) jeffreysianus (Lea, 1871)

Diplodon (Hyridella s.s.) lessoni (Küster, 1856)
+ Unio australis Küster, 1861

Diplodon (Hyridella s.s.) lutulentus (Gould, 1851)
+ Unio lutulentus Gould, 1850
+ Unio lutulentus Reeve, 1865

Diplodon (Hyridella s.s.) menziezi [sic] (Gray in Dieffenbach, 1843)
+ Unio aucklandicus Gray, 1843
+ Unio menziesianus Reeve, 1865
+ Unio aucklandicus Reeve, 1865
+ Margaron (Unio) menzieni Lea, 1870

Diplodon (Hyridella s.s.) menziezi [sic] var. depauperatus (Hutton, 1884)

Diplodon (Hyridella s.s.) menziezi [sic] var. hochstetteri (Dunker, 1862)

Diplodon (Hyridella s.s.) menziezi [sic] var. rugatus (Hutton, 1884)

Diplodon (Hyridella s.s.) moretonicus (Reeve, 1865)
+ Margaron (Unio) mortonicus Lea, 1870

Diplodon (Hyridella s.s.) profugus (Gould, 1851)

Diplodon (Hyridella s.s.) vittatus (Lea, 1859)

Diplodon (Hyridella s.s.) waikarensis (Colenso, 1845)

Diplodon (Hyridella s.s.) wilsonii (Lea, 1859)
+ Unio (Alasmodon) stuarti Adams & Angas, 1863

Diplodon (Hyridella s.s.) zelebori (Dunker, 1866)

Diplodon (Hyridella sec. Cucumaria) mutabilis (Lea, 1859)

Diplodon (Hyridella sec. Cucumaria) novae-hollandiae (Gray, 1834)
+ Unio cucumoides Lea, 1840
+ Unio cumingianus Dunker, 1852

Diplodon (Hyridella sec. Cucumaria) shuttleworthii (Lea, 1856)
+ Unio mutabilis Reeve, 1865
+ Unio angasi Sowerby, 1867

Diplodon (Laevirostris) stagnorum (Dautzenberg, 1890)

Diplodon (s.s.) acutirostris (Lea, 1866)

Diplodon (s.s.) aethiops (Lea, 1860)

Diplodon (s.s.) aethiops var. piricicabana [sic] (von Ihering, 1893)

Diplodon (s.s.) ampullaceus (Lea, 1866)

Diplodon (s.s.) aplatus (‘Swainson ms’ Reeve, 1865)

Diplodon (s.s.) apprimus (Lea, 1866)

Diplodon (s.s.) atratus (Sowerby, 1839)
+ Unio limensis Küster, 1856
+ Unio dunkerianus Lea, 1856
+ Unio jacobaeus Philippi, 1869
+ Unio landbecki Philippi, 1869
+ Unio diplodon Philippi, 1869

Diplodon (s.s.) aureus Simpson, 1900
+ Unio auratus Küster, 1861

Diplodon (s.s.) beskeanus [sic] (Dunker, 1848)

Diplodon (s.s.) binneyi (Lea, 1845)

Diplodon (s.s.) brownii (Lea, 1856)

Diplodon (s.s.) burroughianus (Lea, 1834)
+ Unio burroughianus d’Orbigny, 1835

Diplodon (s.s.) caipira (von Ihering, 1893)

Diplodon (s.s.) casaeblancae (Philippi, 1848)
+ Unio casablancae Lea, 1852
+ Unio longus Philippi, 1869
+ Unio colchaguensis Philippi, 1869
+ Unio foncki Philippi, 1869
+ Unio funcki Paetel, 1890

Diplodon (s.s.) charruanus (d’Orbigny, 1835)
+ Unio faba d’Orbigny, 1835

Diplodon (s.s.) childreni (Gray in Griffith & Pidgeon, 1834)

Diplodon (s.s.) chilensis (Gray, 1828)
+ Unio smithii Griffith & Pidgeon, 1833
+ Unio auratus Philippi, 1847
+ Unio araucanus Philippi, 1847
+ Unio chilensis Sowerby, 1867

Diplodon (s.s.) chiloënsis (Küster, 1856)

Diplodon (s.s.) coriaceus (Dunker, 1848)

Diplodon (s.s.) cuprinus Simpson, 1900
+ Unio fragilis Reeve, 1865

Diplodon (s.s.) delodontus (Lamarck, 1819)
+ Unio lacteolus Lea, 1834
+ Unio delodon Martens, 1868

Diplodon (s.s.) demararaensis [sic] (Lea, 1859)
+ Unio demararaensis Lea, 1859
+ Unio demarasensis Paetel, 1890

Diplodon (s.s.) divaricatus (Lea, 1834)

Diplodon (s.s.) effulgens (Lea, 1856)
+ Unio eurhynchus Küster, 1861

Diplodon (s.s.) expansus (Küster, 1856)

Diplodon (s.s.) firmus (Lea, 1866)

Diplodon (s.s.) firmus var. boettgeri (von Ihering, 1893)

Diplodon (s.s.) frenzelii [sic] (von Ihering, 1893)

Diplodon (s.s.) gassiesi (Küster, 1856)
+ Unio auratus Lea, 1838

Diplodon (s.s.) granosus (Bruguiere, 1972)
+ Unio multistriatus Lea, 1831
+ Unio psammactinus Philippi, 1848
+ Unio pfeifferi Dunker, 1849
+ Unio famelicus Gould, 1850
+ Unio niloticus Sowerby, 1868

Diplodon (s.s.) granuliferus (Dunker, 1848)
+ Unio granulifer Paetel, 1890

Diplodon (s.s.) greefianus [sic] (von Ihering, 1893)

Diplodon (s.s.) hylaeus (d’Orbigny, 1835)
+ Unio guaraniana d’Orbigny, 1835

Diplodon (s.s.) leai Simpson, 1900
+ Margarita (Unio) modestus Lea, 1836

Diplodon (s.s.) lepidior (Lea, 1870)
+ Unio lepidus Lea, 1860

Diplodon (s.s.) locellus (Lea, 1866)

Diplodon (s.s.) martensi (von Ihering, 1893)

Diplodon (s.s.) modestus (‘Charpentier ms’ Küster, 1856)
+ Unio ianthinus Philippi, 1869
+ Unio valdivianus Philippi, 1869
+ Unio montanus Philippi, 1869

Diplodon (s.s.) molinae (Philippi, 1847)
+ Unio auratus Sowerby, 1866

Diplodon (s.s.) obtusus (d’Orbigny, 1835)

Diplodon (s.s.) parallelipipedon [sic] (Lea, 1834)
+ Unio bonplandii Lea, 1870

Diplodon (s.s.) parcus (Lea, 1866)

Diplodon (s.s.) patagonicus (d’Orbigny, 1835)
+ Unio patagonicus Reeve, 1865

Diplodon (s.s.) paulista (von Ihering, 1893)

Diplodon (s.s.) pazi (Hidalgo, 1868)

Diplodon (s.s.) peculiaris (Lea, 1866)
+ Unio nitidulus Küster, 1861
+ Unio paraguayensis Lea, 1866

Diplodon (s.s.) piceus (Lea, 1860)
+ Diplodon (s.s.) suppositus Simpson, 1914

Diplodon (s.s.) piger (Lea, 1860)

Diplodon (s.s.) prunoides (Lea, 1868)

Diplodon (s.s.) quadrans (Lea, 1860)

Diplodon (s.s.) rhombeus (Wagner, 1827)

Diplodon (s.s.) rhuacoicus (d’Orbigny, 1835)
+ Unio rhyacoicus Martens, 1868
+ Monocondylaea rhyacoeca Paetel, 1890

Diplodon (s.s.) rhuaconicus (‘Pfeiffer teste Charpentier’ Küster, 1856)

Diplodon (s.s.) rudus (Lea, 1859)
+ Unio rudis Doering, 1875

Diplodon (s.s.) rufofuscus (Lea, 1865)

Diplodon (s.s.) solidulus (Philippi, 1869)

Diplodon (s.s.) suavidicus (Lea, 1856)

Diplodon (s.s.) trifidus (Lea, 1860)

Diplodon (s.s.) uruguayensis (Lea, 1860)

Diplodon (s.s.) wagnerianum Simpson, 1900
+ Diplodon ellypticum Wagner, 1827
+ Diplodon ellipticum Wagner, 1827
+ Unio ellipticus Küster, 1861

Diplodon (s.s.) wheatleyanus (Lea, 1856)

Diplodon (s.s.) wymanii (Lea, 1860)

Diplodon aethiopiformis (von Ihering)

Diplodon bishoffi (von Ihering)

Diplodon damnoica (d’Orbigny)

Diplodon depressa (d’Orbigny, 1835)

Diplodon fokkesi (Dunker, 1852)

Diplodon guahybae (von Ihering)

Diplodon iheringi (Clessin)

Diplodon koseretzi [sic] (Clessin, 1888)

Diplodon macropterus (Dunker, 1846)

Diplodon paraguayanus (von Martens, 1895)

Diplodon sebastanae (von Ihering)

Diplodon zealandicus (‘Gray’ Paetel, 1890)

Dromus caperatus (Lea, 1845)
+ Unio abacoides Haldeman, 1846

Dromus dromus [sic] (Lea, 1834)

Fossula balzani von Ihering, 1893

Fossula fossiculifera (d’Orbigny, 1835)

Gabillotia euphratica (Bourguignat, 1852)
+ Unio churchilleanus Sowerby, 1868

Gabillotia euphratica var. churchillianus (Bourguignat, 1857)
+ Monocondyloea rhomboidea Lea, 1859

Gabillotia locardi Servain, 1890

Gabillotia opperti (Bourguignat, 1856)
+ Margaritana euphratica Kobelt, 1886

Gabillotia pseudodopsis (Locard, 1883)

Gibbosula crassa (Wood, 1815)
+ Mya ponderosa Dillwyn, 1817

Glabaris (s.s.) amazonensis (Lea, 1860)
+ Anodon amazoniensis Sowerby, 1870

Glabaris (s.s.) bridgesii (Lea, 1868)

Glabaris (s.s.) crassus (Swainson, 1823)

Glabaris (s.s.) crispatus (Bruguiere, 1972)
+ Anodonta puberula Gould, 1852
+ Anodon reticulatus Sowerby, 1867

Glabaris (s.s.) cylindraceus (Lea, 1838)

Glabaris (s.s.) elongatus (Swainson, 1823)
+ Anodonta solidula Deville & Hupé, 1850
+ Anodonta wheatleyi Lea, 1852
+ Anodon dactylus Sowerby, 1867
+ Anodon amethystus Sowerby, 1869

Glabaris (s.s.) forbesianus (Lea, 1860)

Glabaris (s.s.) georginae (Griffith, 1834)

Glabaris (s.s.) glaucus (Valenciennes, 1833)
+ Anodon glauca Gould, 1850
+ Anodon ciconia Gould, 1851
+ Anodonta ciconia Carpenter, 1857
+ Anodonta burroughiana Chenu, 1858
+ Anodon glaucus Sowerby, 1870

Glabaris (s.s.) glaucus var. sinaloensis (Crosse & Fischer, 1883)

Glabaris (s.s.) granadensis (Lea, 1868)

Glabaris (s.s.) grijalvae (Morelet, 1884)
+ Anodonta grijoloae Paetel, 1890

Glabaris (s.s.) hertwigii (von Ihering, 1890)

Glabaris (s.s.) holtonis (Lea, 1857)
+ Anodon haltonis Sowerby, 1870

Glabaris (s.s.) iheringi (Clessin, 1882)

Glabaris (s.s.) incarum (Philippi, 1869)

Glabaris (s.s.) inæquivalvis [sic] (Lea, 1868)
+ Anodonta lenticularis Lea, 1868
+ Anodon glabrus Sowerby, 1870
+ Anodon montezianus Sowerby, 1870
+ Anodonta viridana Clessin, 1876

Glabaris (s.s.) jewittianus [sic] (Lea, 1868)
+ Anodonta jewettii Lea, 1868

Glabaris (s.s.) leotandi [sic] (Guppy, 1864)

Glabaris (s.s.) limnoicus (d’Orbigny, 1835)
+ Anodonta lymnoica Chenu, 1858

Glabaris (s.s.) lingulatus (Húpe, 1857)

Glabaris (s.s.) longinus (Spix, 1827)

Glabaris (s.s.) lucidus (d’Orbigny, 1835)

Glabaris (s.s.) luteolus (Lea, 1858)

Glabaris (s.s.) membranaceus (Maton, 1811)
+ Unio membranacea Hanley, 1843
+ Unio subtrapezius Philippi, 1847

Glabaris (s.s.) montezuma (Lea, 1841)

Glabaris (s.s.) moricandii (Lea, 1860)
+ Anodon exoticus Sowerby, 1867
+ Anodonta angustata Clessin, 1876

Glabaris (s.s.) mortonianus (Lea, 1834)

Glabaris (s.s.) napoensis (Lea, 1868)

Glabaris (s.s.) patagonicus (Lamarck, 1819)
+ Anodon trapezeus Wagner, 1827
+ Anodonta latomarginata Lea, 1834
+ Anodonta membranacea d’Orbigny, 1846
+ Anodonta solida Küster, 1853
+ Anodonta uruguayensis Lea, 1860
+ Anodonta sinuosa Clessin, 1873
+ Anodonta serpentina Clessin, 1876

Glabaris (s.s.) patagonicus var. felix Pilsbry, 1869 [sic]

Glabaris (s.s.) pazii (Lea, 1866)

Glabaris (s.s.) philippianus Simpson, 1900
+ Anodonta subsinuata Philippi, 1869

Glabaris (s.s.) puelchanus (d’Orbigny, 1835)
+ Anodonta obtusula Hupé, 1857

Glabaris (s.s.) radiatus (Spix, 1827)

Glabaris (s.s.) rotundus (Spix, 1827)
+ Anodonta cailliaudii Lea, 1860
+ Anodon caillaudii Sowerby, 1867

Glabaris (s.s.) rubicundus (Lea, 1860)

Glabaris (s.s.) schomburgianus (Sowerby, 1870)
+ Anodonta schomburgkiana Clessin, 1876

Glabaris (s.s.) simpsonianus Pilsbry, 1896

Glabaris (s.s.) sinuosus (Lamarck, 1819)
+ Anodon sinuosis Swainson, 1841

Glabaris (s.s.) sirionis [sic] (d’Orbigny, 1835)
+ Unio (Anodontes) ferrarisii d’Orbigny, 1835

Glabaris (s.s.) strebelii (Lea, 1868)
+ Margaron (Anodonta) strebellii Lea, 1870

Glabaris (s.s.) tortilis (Lea, 1852)

Glabaris (s.s.) trapesialis (Lamarck, 1819)
+ Anodonta trapezialis Blainville, 1825
+ Anodon giganteus Wagner, 1827
+ Anodon susannae Griffith & Pidgeon, 1833
+ Anodon penicillatus Gray, 1834
+ Iridina trapezialis d’Orbigny, 1835
+ Anodon ciconia Gould, 1851
+ Anodon blainvilleana Sowerby, 1867

Glabaris (s.s.) trapesialis var. anserinus (Spix, 1827)

Glabaris (s.s.) trapesialis var. cygnæformis [sic] (Pilsbry, 1896)

Glabaris (s.s.) trapesialis var. exoticus (Lamarck, 1819)

Glabaris (s.s.) trapesialis var. moretonianus (Sowerby, 1867)

Glabaris (s.s.) trapesialis var. rioplatensis (Sowerby, 1870)
+ Anodon ciconia Sowerby, 1870

Glabaris (s.s.) trapesialis var. scriptus (Sowerby, 1867)
+ Anodon subsinuatus Sowerby, 1867
+ Anodon areolatus Sowerby, 1867
+ Anodonta bahiensis Clessin, 1873

Glabaris (s.s.) trautwinianus (Lea, 1852)
+ Anodon ovata Swainson, 1841
+ Margaron (Anodonta) troutwiniana Lea, 1852
+ Anodon trautwinianus Sowerby, 1870
+ Anodonta carthagena Simpson, 1900

Glabaris (s.s.) trigonus (Spix, 1827)
+ Unio (Anodontes) chiquitana d’Orbigny, 1835
+ Anodonta castelnaudii Hupé, 1857
+ Anodonta subrostrata Philippi, 1869
+ Anodonta ucayalensis Philippi, 1869

Glabaris (s.s.) umbonatus (Sowerby, 1870)
+ Anodon ciconia Sowerby, 1870

Glabaris (s.s.) weddellii (Húpe, 1857)

Glabaris (s.s.) wymanii (Lea, 1860)

Glabaris (sec. Styganodon) bambousearum (Morelet, 1851)

Glabaris (sec. Styganodon) clessini (Fischer, 1890)
+ Mycetopus plicatus Clessin, 1882
+ Glabaris nehringi Ihering, 1893

Glabaris (sec. Styganodon) lituratus (Spix, 1827)
+ Anodon litturatum Moricand, 1837

Glabaris (sec. Styganodon) obtusus (Spix, 1827)

Glabaris (sec. Styganodon) pastasanus (Clessin, 1879)

Glabaris (sec. Styganodon) schröterianus (Lea, 1852)

Glabaris (sec. Styganodon) soleniformis (d’Orbigny, 1835)
+ Anodon solenidea Sowerby, 1867

Glabaris (sec. Styganodon) tenebricosus (Lea, 1834)
+ Anodon tenebrosa Sowerby, 1867

Glabaris (sec. Virgula) ensiformis (Spix, 1827)

Glabaris (sec. Virgula) falsus Simpson, 1900

Glabaris (sec. Virgula) legumen (von Martens, 1888)

Glabaris aperta (Rafinesque, 1832)

Glabaris atrovireus [sic] (Philippi, 1848)

Glabaris bergi (von Ihering, 1893)

Glabaris brevis (Sowerby, 1870)

Glabaris carinata (Dunker, 1858)

Glabaris cheeziana (Sowerby, 1867)

Glabaris giullaini (‘Recluz’ Adams & Adams, 1857)

Glabaris nicaragua (Philippi, 1848)

Glabaris paphos (Rafinesque, 1832)

Glabaris porcifer (Gray, 1834)

Glabaris spixii (d’Orbigny, 1835)

Glabaris tehuantepecensis (Crosse & Fischer, 1894)

Glabaris wallisi (Mousson, 1869)

Glebula rotundata (Lamarck, 1819)
+ Unio suborbiculata Lamarck, 1819
+ Unio glebulus Say, 1831
+ Unio subglobosus Lea, 1834
+ Unio grandensis Conrad, 1855
+ Unio rotundatus Reeve, 1865

Gonidea angulata (Lea, 1838)
+ Anodon feminalis Gould, 1850
+ Anodonta randalli Trask, 1854
+ Anodon biangulata Sowerby, 1869

Grandidieria anceyi Bourguignat, 1885
+ Unio burtoni E.A. Smith, 1881

Grandidieria bourguignati Joubert in Bourguignat, 1888

Grandidieria burtoni (Woodward, 1859)
+ Grandidieria cyrenopsis Bourguignat, 1885

Grandidieria burtoni var. insignis Bourguignat, 1885

Grandidieria burtoni var. servainiana Bourguignat, 1885

Grandidieria burtoni var. sturanyi (von Martens, 1897)

Grandidieria callista Bourguignat, 1888

Grandidieria elongata Bourguignat, 1885

Grandidieria giraudi Bourguignat, 1885

Grandidieria gravida Bourguignat, 1885
+ Grandidieria rostrata Bourguignat, 1885
+ Unio rostralis Martens, 1897

Grandidieria incarnata Bourguignat, 1885

Grandidieria locardiana Bourguignat, 1885

Grandidieria mira Bourguignat, 1885

Grandidieria rhynchonella Bourguignat, 1888

Grandidieria rotundata Bourguignat, 1885

Grandidieria smithi Bourguignat, 1885
+ Unio burtoni E.A. Smith, 1881

Grandidieria tanganyicensis (Smith, E.A., 1880)
+ Unio tanganikanus Bourguignat, 1883

Grandidieria thomsoni (Smith, E.A., 1880)
+ Grandidieria corbicula Bourguignat, 1885
+ Grandidieria granulosa Bourguignat, 1885
+ Grandidieria singularis Bourguignat, 1888

Harmandia somboriensis (Rochebrune, 1881)

Hemilastena ambigua (Say, 1825)
+ Unio hildrethianus Lea, 1834
+ Alasmidonta dubia Ferussac, 1835

Hyria (Triquetrana) stevensi (Lea, 1871)

Hyria (s.s.) corrugata Lamarck, 1819
+ Triplodon rugosus Wagner, 1827
+ Mya angulata Wood, 1828
+ Hyria exasperata Sowerby, 1869

Hyria (s.s.) latialata Sowerby, 1869

Hyria (s.s.) rugosissima Sowerby, 1869

Hyria (s.s.) transversa Húpe, 1857

Hyriopsis (Caudiculatus) caudiculatus (von Martens, 1866)
+ Unio infrarostratus Schepman, 1896

Hyriopsis (s.s.) bialatus Simpson, 1900
+ Unio delphinus Lea, 1840
+ Unio delphinus Gruner, 1841
+ Unio megapterus Morelet, 1864

Hyriopsis (s.s.) cumingii (Lea, 1852)

Hyriopsis (s.s.) delaportei (Crosse & Fischer, 1876)

Hyriopsis (s.s.) myersianus (Lea, 1856)
+ Unio housei Lea, 1856

Hyriopsis (s.s.) pinchonianus (Heude, 1883)

Hyriopsis (s.s.) schlegeli (von Martens, 1861)

Hyriopsis (s.s.) sutrangensis (Morlet, 1889)

Hyriopsis (s.s.) vagulus (Fischer, 1891)
+ Unio subtrigonus Sowerby, 1867
+ Unio lamellatus Hanley & Theobald, 1870

Hyriopsis (s.s.) velthuzeni [sic] (Schepman, 1895)

Iheringella balzani (von Ihering, 1893)

Iheringella isocardioides (Lea, 1856)
+ Plagiodon isocardiodes Lea, 1856

Iheringella rotundata (Mousson, 1869)

Iheringella semisulcata (Adams, H., 1870)

Lamellidens (Spathopsis) guillaini (Récluz, 1850)

Lamellidens (s.s.) canefrianus Simpson, 1900
+ Unio protensus Tapparone Canefri, 1889

Lamellidens (s.s.) consobrinus (Lea, 1859)
+ Unio corbeti Deschamps, 1892

Lamellidens (s.s.) corrianus (Lea, 1834)

Lamellidens (s.s.) exanthematicus (Küster, 1861)

Lamellidens (s.s.) generosus (Gould, 1847)
+ Unio lamellatus Sowerby, 1868

Lamellidens (s.s.) jenkinsianus (Benson, 1862)

Lamellidens (s.s.) lamellatus (Lea, 1838)
+ Unio layardii Lea, 1859

Lamellidens (s.s.) marginalis (Lamarck, 1819)
+ Unio groenlandicus Schröter, 1779
+ Unio testudinarius Spengler, 1793
+ Unio anodontina Lamarck, 1819
+ Symphynota bilineata Lea, 1831
+ Unio evanescens Mousson, 1849

Lamellidens (s.s.) marginalis var. candaharicus (Hanley & Theobald, 1876)

Lamellidens (s.s.) marginalis var. cylindricus (Hanley & Theobald, 1876)

Lamellidens (s.s.) marginalis var. hanleyi Simpson, 1900
+ Unio marginalis var. corriana Hanley & Theobald, 1872

Lamellidens (s.s.) marginalis var. obesus (Hanley & Theobald, 1876)
+ Unio corrianus Sowerby, 1868

Lamellidens (s.s.) marginalis var. tricolor (Küster, 1856)

Lamellidens (s.s.) pulcher (Tapparone Canefri, 1889)

Lamellidens (s.s.) scutum (Sowerby, 1868)

Lamellidens (s.s.) thwaitesii (Lea, 1859)
+ Unio consobrinus Hanley & Theobald, 1872
+ Unio thwaitesii Hanley & Theobald, 1872

Lampsilis (Carunculina) corvunculus (Lea, 1868)

Lampsilis (Carunculina) cromwellii (Lea, 1865)
+ Unio marginis Lea, 1865

Lampsilis (Carunculina) cylindrellus (Lea, 1868)

Lampsilis (Carunculina) germanus (Lea, 1861)
+ Unio granulatus Lea, 1861

Lampsilis (Carunculina) glans (Lea, 1831)
+ Unio glans Conrad, 1836

Lampsilis (Carunculina) haleianus (Lea, 1843)

Lampsilis (Carunculina) mearnsi Simpson, 1900

Lampsilis (Carunculina) mœstus (Lea, 1841)
+ Unio maestus Lea, 1842
+ Unio maestus Küster, 1861

Lampsilis (Carunculina) parvus (Barnes, 1823)

Lampsilis (Carunculina) paulus (Lea, 1840)
+ Unio corvinus Lea, 1868

Lampsilis (Carunculina) pullus (Conrad, 1838)

Lampsilis (Carunculina) texasensis [sic] Lea
+ Unio parvus Conrad, 1836
+ Unio bairdianus Lea, 1857
+ Unio bealei Lea, 1862
+ Unio texasianus Sowerby, 1866

Lampsilis (Carunculina) texasensis [sic] var. compressus Simpson, 1900

Lampsilis (Proptera) alabamensis (Conrad, 1834)
+ Symphynota inflata Lea, 1831

Lampsilis (Proptera) alatus (Say, 1816)
+ Metaptera megaptera Rafinesque, 1820

Lampsilis (Proptera) alatus var. poulsoni (Conrad, 1834)
+ Unio inflatus Conrad, 1836

Lampsilis (Proptera) alienigenus (Crosse & Fischer, 1893)

Lampsilis (Proptera) amphichaenus (Frierson, 1898)

Lampsilis (Proptera) aztecorum (Philippi, 1847)

Lampsilis (Proptera) berlandierii (Lea, 1857)

Lampsilis (Proptera) coloradoensis (Lea, 1856)

Lampsilis (Proptera) delphinulus (Morelet, 1849)

Lampsilis (Proptera) explicatus (Morelet, 1849)
+ Margaron (Unio) semigranosus Lea, 1870
+ Unio explicatus Fischer & Crosse, 1894

Lampsilis (Proptera) gouldii (Lea, 1845)

Lampsilis (Proptera) gracilis (Barnes, 1823)
+ Unio fragilis Swainson, 1823
+ Unio (Niaa) atrata Swainson, 1823
+ Mya plana Eaton, 1826

Lampsilis (Proptera) laevissimus (Lea, 1829)
+ Unio ohiensis Say, 1834
+ Unio discoideus Sowerby, 1866

Lampsilis (Proptera) largillierti (Philippi, 1847)

Lampsilis (Proptera) leptodon (Rafinesque, 1820)
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
+ Symphynota tenuissima Lea, 1829
+ Unio leptodon Conrad, 1836

Lampsilis (Proptera) lividus Simpson, 1900
+ Unio testudineus Reeve, 1865

Lampsilis (Proptera) metallicus (Say, 1831)
+ Unio cuprinus Lea, 1831
+ Unio aereus Reeve, 1865
+ Unio cuprinus Sowerby, 1868

Lampsilis (Proptera) paludosus (Morelet, 1849)

Lampsilis (Proptera) permiscens (Lea, 1859)

Lampsilis (Proptera) planivalvis (Morelet, 1851)

Lampsilis (Proptera) purpuratus (Lamarck, 1819)
+ Unio ater Lea, 1829
+ Unio lugubris Say, 1832
+ Unio atra Deshayes, 1832
+ Unio dolosus Lea, 1860
+ Unio poulsoni Sowerby, 1866
+ Unio dolosus Sowerby, 1866

Lampsilis (Proptera) rovirosai (Pilsbry, 1900)

Lampsilis (Proptera) saladoensis (Lea, 1860)

Lampsilis (Proptera) scutulatus (Morelet, 1849)

Lampsilis (Proptera) tampecoensis [sic] (Lea, 1838)
+ Unio heermannii Lea, 1861

Lampsilis (Proptera) tecomatensis (Lea, 1841)

Lampsilis (Proptera) umbrosus Lea, 1856
+ Unio veracruzensis Lea, 1868

Lampsilis (s.s.) altilis Conrad

Lampsilis (s.s.) biangulatus Lea
+ Unio biangularis Lea, 1840

Lampsilis (s.s.) binominatus Simpson
+ Unio lineatus Lea, 1840

Lampsilis (s.s.) breviculus Call

Lampsilis (s.s.) breviculus var. brittsi Simpson

Lampsilis (s.s.) capax Green
+ Symphynota globosa Lea, 1834

Lampsilis (s.s.) cariosus Say
+ Unio ovata Lamarck, 1819
+ Unio ovatus Valenciennes, 1827
+ Unio viridis Ferussac, 1835
+ Unio cariosus De Kay, 1843
+ Unio oratus Conrad, 1849

Lampsilis (s.s.) clarkianus Lea
+ Unio spillmanii Lea, 1861

Lampsilis (s.s.) delumbis Conrad

Lampsilis (s.s.) dolabræformis Lea

Lampsilis (s.s.) doliaris Lea

Lampsilis (s.s.) excavatus Lea
+ Unio ovatus var. ornatus Conrad, 1835

Lampsilis (s.s.) gerhardtii Lea

Lampsilis (s.s.) multiradiatus Lea
+ Unio fasciolus Say, 1834
+ Unio perradiatus Lea, 1858
+ Unio altilis Reeve, 1865
+ Unio perovalis Sowerby, 1866

Lampsilis (s.s.) ochraceus Say
+ Unio crocatus Lea, 1841
+ Unio rosaceus Conrad, 1849
+ Unio troostensis Sowerby, 1866
+ Unio affinis Sowerby, 1868

Lampsilis (s.s.) ovatus Say
+ Unio ovata Lamarck, 1819

Lampsilis (s.s.) perovalis Conrad

Lampsilis (s.s.) perpastus Lea

Lampsilis (s.s.) splendidus Lea
+ Unio regularis Sowerby, 1866

Lampsilis (s.s.) subvexa Conrad

Lampsilis (s.s.) ventricosus Barnes
+ Unio radiatus Hildreth, 1828
+ Unio occidens Lea, 1829
+ Unio subovatus Lea, 1831
+ Unio cardium Conrad, 1834
+ Unio fasciolus Ferussac, 1835
+ Unio lenis Conrad, 1838
+ Unio ovatus Deshayes, 1839
+ Unio canadensis Lea, 1857
+ Unio ventricosus Sowerby, 1866
+ Unio dolabraeformis Sowerby, 1867
+ Unio subovatus Sowerby, 1868
+ Unio latissimus Sowerby, 1868

Lampsilis (s.s.) ventricosus var. satur Lea

Lampsilis (sec. Eurynia) affinis Lea

Lampsilis (sec. Eurynia) amygdalum Lea
+ Unio lepidus Gould, 1856

Lampsilis (sec. Eurynia) amœnus Lea

Lampsilis (sec. Eurynia) anodontoides Lea
+ Unio teres Say, 1834
+ Lampsilis anodontoides F.C. Baker, 1898

Lampsilis (sec. Eurynia) anodontoides var. floridensis Lea

Lampsilis (sec. Eurynia) apicinus Lea

Lampsilis (sec. Eurynia) approximus Lea

Lampsilis (sec. Eurynia) arkansasensis Lea

Lampsilis (sec. Eurynia) australis Simpson

Lampsilis (sec. Eurynia) borealis A.F. Gray

Lampsilis (sec. Eurynia) bracteatus Gould

Lampsilis (sec. Eurynia) camelopardilis Lea
+ Unio fucatus Lea, 1860

Lampsilis (sec. Eurynia) claibornensis Lea
+ Unio obtusus Lea, 1840
+ Unio pallescens Lea, 1845
+ Unio clairbornensis Sowerby, 1868

Lampsilis (sec. Eurynia) concestator Lea
+ Unio intercedens Lea, 1857
+ Unio fallax Lea, 1857
+ Unio contiguus Lea, 1861
+ Unio bicaelatus Reeve, 1865
+ Unio genuinus Lea, 1868

Lampsilis (sec. Eurynia) constrictus Conrad
+ Unio genthii Lea, 1857

Lampsilis (sec. Eurynia) contrarius Conrad

Lampsilis (sec. Eurynia) dispar Lea

Lampsilis (sec. Eurynia) ellipsiformis Conrad
+ Unio spatulatus Lea, 1845

Lampsilis (sec. Eurynia) fallaciosus (Smith) Simpson
+ Unio anodontoides Reeve, 1865
+ Unio oriens Sowerby, 1868
+ Lampsilis anodontoides F.C. Baker, 1898

Lampsilis (sec. Eurynia) fatuus Lea
+ Unio dactylus Lea, 1840

Lampsilis (sec. Eurynia) gracilior Lea
+ Unio obfuscus Lea, 1857
+ Unio gracillior Lea, 1858

Lampsilis (sec. Eurynia) higginsii Lea

Lampsilis (sec. Eurynia) hydianus Lea
+ Unio placitus Lea, 1852
+ Unio hydianus Küster, 1861

Lampsilis (sec. Eurynia) iris Lea
+ Unio creperus Lea, 1838
+ Unio novieboraci Lea, 1838
+ Unio cresserus Hanley, 1843
+ Unio radiatus De Kay, 1843
+ Unio subrostratus Küster, 1861
+ Unio subrostratus Reeve, 1864
+ Unio opalinus J.G. Anthony, 1866

Lampsilis (sec. Eurynia) kirklandianus S.H. Wright

Lampsilis (sec. Eurynia) lienosus Conrad
+ Unio saxeus Conrad, 1838
+ Unio caliginosus Lea, 1845
+ Unio fontanus Conrad, 1866

Lampsilis (sec. Eurynia) lienosus var. unicostatus B.H. Wright

Lampsilis (sec. Eurynia) ligamentinus Lamarck
+ Unio crassus Say, 1817
+ Unio ellipticus Barnes, 1823
+ Unio carinatus Barnes, 1823
+ Mya gravis Wood, 1828
+ Unio ellipsarius Say, 1834
+ Unio fasciatus Conrad, 1835
+ Unio ligamentinus Deshayes, 1835
+ Unio delodontus Sowerby, 1867
+ Unio crassidens Sowerby, 1868
+ Unio pictus Sowerby, 1868
+ Unio venustus Sowerby, 1868
+ Unio upsonii Marsh, 1887

Lampsilis (sec. Eurynia) ligamentinus var. gibbus Simpson
+ Unio crassus Sowerby, 1868

Lampsilis (sec. Eurynia) luteolus Lamarck
+ Unio inflatus Barnes, 1823
+ Unio siliquoideus Barnes, 1823
+ Unio childreni Hanley, 1843
+ Unio siliquoides Küster, 1848
+ Unio hydianus Küster, 1861
+ Unio distans J.G. Anthony, 1865
+ Unio affinis Sowerby, 1868
+ Unio multiradiatus Sowerby, 1868
+ Unio luteolus Sowerby, 1868

Lampsilis (sec. Eurynia) luteolus var. rosaceus De Kay

Lampsilis (sec. Eurynia) minor Lea
+ Unio stearnsii B.H. Wright, 1888

Lampsilis (sec. Eurynia) modioliformis Lea
+ Unio tenerus Ravenel, 1834
+ Margarita (Unio) tenerus Lea, 1836
+ Unio delumbis Küster, 1861

Lampsilis (sec. Eurynia) mühlfeldianus Lea
+ Unio (Hyridella) muehlfeldtianus Adams & Adams, 1857

Lampsilis (sec. Eurynia) nasutus Say
+ Unio rostrata Valenciennes, 1827
+ Unio nasutus Conrad, 1838
+ Unio vaughanianus Sowerby, 1868

Lampsilis (sec. Eurynia) nebulosus Conrad
+ Unio cumberlandicus Lea, 1838
+ Unio notatus Lea, 1838
+ Unio glaber Lea, 1838
+ Margaron (Unio) cumberlandianus Lea, 1852
+ Unio radians Lea, 1857
+ Unio jonesii Lea, 1859
+ Unio discrepans Lea, 1860
+ Unio scitulus Lea, 1860
+ Unio linguaeformis Lea, 1860
+ Unio perpictus Lea, 1860
+ Unio difficilis Lea, 1868
+ Unio sparus Lea, 1868

Lampsilis (sec. Eurynia) nigerrimus Lea
+ Unio fuligo Reeve, 1865

Lampsilis (sec. Eurynia) obscurus Lea
+ Unio zeiglerianus Lea, 1838

Lampsilis (sec. Eurynia) occidentalis Conrad

Lampsilis (sec. Eurynia) ogeecheensis Conrad
+ Unio prevostianus Lea, 1852
+ Unio proximus Lea, 1852
+ Unio tenerus Simpson, 1892

Lampsilis (sec. Eurynia) orbiculatus Hildreth
+ Unio abruptus Say, 1831
+ Unio cyclips Ferussac, 1835
+ Margarita (Unio) orbiculatus Lea, 1836
+ Unio crassus Conrad, 1836

Lampsilis (sec. Eurynia) ozarkensis Call

Lampsilis (sec. Eurynia) papyraceus Gould

Lampsilis (sec. Eurynia) pellucidus Lea

Lampsilis (sec. Eurynia) perdix Lea
+ Unio pectorosus Conrad, 1834

Lampsilis (sec. Eurynia) perpurpureus Lea
+ Unio troostensis Sowerby, 1868

Lampsilis (sec. Eurynia) pictus Lea
+ Unio lindsleyi Lea, 1860
+ Unio camelopardalis Sowerby, 1866

Lampsilis (sec. Eurynia) pinguis Lea

Lampsilis (sec. Eurynia) plancus Lea

Lampsilis (sec. Eurynia) planicostatus Lea

Lampsilis (sec. Eurynia) pleasii Marsh

Lampsilis (sec. Eurynia) porphyreus Lea

Lampsilis (sec. Eurynia) powellii Lea

Lampsilis (sec. Eurynia) prattii Lea

Lampsilis (sec. Eurynia) proprius Lea
+ Unio striatus Sowerby, 1868

Lampsilis (sec. Eurynia) punctatus Lea

Lampsilis (sec. Eurynia) puniceus Haldeman

Lampsilis (sec. Eurynia) radiatus Gmelin
+ Mya radiata Gmelin, 1791
+ Unio virginiana Lamarck, 1819
+ Unio lineata Bory de St. Vincent, 1827
+ Unio oblongatus Wood, 1828
+ Unio tenebrosus Conrad, 1834
+ Unio melinus Conrad, 1838
+ Unio boydianus Lea, 1840
+ Unio crassus Küster, 1854
+ Unio elongata Goodrich, 1859
+ Unio obliquiradiatus Reeve, 1865
+ Unio mellinus Paetel, 1890

Lampsilis (sec. Eurynia) radiatus var. conspicuus Lea

Lampsilis (sec. Eurynia) rectus Lamarck
+ Unio (Eurynia) latissima Rafinesque, 1820
+ Unio praelongus Barnes, 1823
+ Unio sageri Conrad, 1836
+ Unio arquatus Conrad, 1854

Lampsilis (sec. Eurynia) reevianus [sic] Lea

Lampsilis (sec. Eurynia) simus Lea
+ Unio notatus Conrad, 1853
+ Unio proximus Küster, 1861
+ Unio spatulatus Sowerby, 1868

Lampsilis (sec. Eurynia) singleyanus Marsh

Lampsilis (sec. Eurynia) stramineus Conrad

Lampsilis (sec. Eurynia) subangulatus Lea
+ Unio fasciolus Conrad, 1853

Lampsilis (sec. Eurynia) subrostratus Say
+ Unio nashvillianus Lea, 1834
+ Unio mississippiensis Conrad, 1850
+ Lampsilis nashvillensis Agassiz, 1852
+ Unio rutersvillensis Lea, 1859
+ Unio subrostratus Küster, 1861
+ Unio cocoduensis Reeve, 1865
+ Unio topekaensis Lea, 1868

Lampsilis (sec. Eurynia) sudus Lea
+ Unio concavus Lea, 1852

Lampsilis (sec. Eurynia) superiorensis Marsh

Lampsilis (sec. Eurynia) tener Lea
+ Unio regularis Lea, 1841
+ Unio regularis Sowerby, 1868

Lampsilis (sec. Eurynia) trabalis Conrad
+ Unio troostensis Lea, 1834
+ Unio vanuxemensis Sowerby, 1866
+ Unio troostii Lea, 1870

Lampsilis (sec. Eurynia) trossulus Lea

Lampsilis (sec. Eurynia) tæniatus Conrad
+ Unio menkianus Lea, 1838
+ Unio pulcher Lea, 1838
+ Unio interruptus Lea, 1838
+ Unio latiradiatus Conrad, 1838
+ Unio tennesseensis Lea, 1840
+ Unio perdix Reeve, 1864
+ Unio taniatus Simpson, 1900

Lampsilis (sec. Eurynia) vanuxemensis Lea
+ Unio nitens Lea, 1840
+ Unio umbrans Lea, 1857
+ Unio tenebricus Lea, 1857
+ Unio umbrosus Lea, 1857
+ Unio pybasii Lea, 1858
+ Unio fabaceus Lea, 1861
+ Unio copei Lea, 1868
+ Margaron (Unio) vanuxemii Lea, 1870
+ Unio dispansus Lea, 1871

Lampsilis (sec. Eurynia) vaughanianus Lea

Lampsilis (sec. Eurynia) venustus Lea

Lampsilis (sec. Eurynia) vesicularis Lea

Lampsilis (sec. Eurynia) vibex Conrad
+ Unio exiguus Lea, 1840
+ Unio stagnalis Conrad, 1849
+ Unio rutilans Lea, 1856
+ Unio subellipsis Lea, 1856
+ Unio prevostianus Sowerby, 1868
+ Unio subangulatus Sowerby, 1868

Lampsilis (sec. Eurynia) vibex var. nigrinus Lea
+ Unio floridensis Wright & Wright, 1888
+ Unio averellii B.H. Wright, 1888

Lampsilis (sec. Eurynia) villosus B.H. Wright

Lampsilis (sec. Eurynia) virescens Lea

Lampsilis argyratus Rafinesque, 1831

Lampsilis fasciola Rafinesque, 1820

Lampsilis fulgens Rafinesque, 1831

Lastena lata (Rafinesque, 1820)
+ Unio dehiscens Say, 1829
+ Unio oriens Lea, 1831
+ Unio hildrethi Delessert, 1841

Leguminaia (s.s.) locardi Simpson, 1900
+ Pseudodon chantrei Locard, 1883

Leguminaia (s.s.) mardinensis (Lea, 1865)

Leguminaia (s.s.) mardinensis var. chantrei Locard, 1883
+ Leguminaia bourguignati Locard, 1883
+ Monocondylaea chantreyi Paetel, 1890

Leguminaia (s.s.) michonii (Bourguignat, 1852)

Leguminaia (s.s.) saulcyi (Bourguignat, 1852)

Leguminaia (s.s.) tripolitanus Bourguignat, 1852

Leguminaia (s.s.) wheatleyi (Lea, 1862)

Leguminaia (sec. Microcondylaea) uniopsis (Lamarck, 1819)
+ Unio depressa C. Pfeiffer, 1825
+ Unio (Alasmodonta) bonellii Férussac, 1827
+ Alasmodonta compressa Menke, 1830

Leila blainvilleana [sic] (Lea, 1834)
+ Anodon parishii Gray, 1834
+ Anodon hians Sowerby, 1867

Leila esula (d’Orbigny, 1835)
+ Anodonta arcuata Hanley, 1843
+ Leila pulvinata Hupé, 1857
+ Leila castelnaudii Hupé, 1857

Leila spixii (von Ihering, 1890)
+ Anodon giganteus Wagner, 1827

Lepidodesma aligera (Heude, 1877)

Lepidodesma languilati (Heude, 1874)
+ Cristaria megadesma Martens, 1875

Margaritana crassa (Retzius, 1788)
+ Unio auricularius Spengler, 1793
+ Unio rugosa Poiret, 1801
+ Unio sinuata Lamarck, 1819
+ Unio litoralis Pfeiffer, 1821
+ Unio gargottae Philippi, 1836
+ Unio crassissimus Hanley, 1843

Margaritana decumbens (Lea, 1861)

Margaritana hembeli (Conrad, 1838)

Margaritana laosensis (Lea, 1863)
+ Unio laoensis Sowerby, 1866
+ Unio sula Simpson, 1900

Margaritana margaritifera (Linnaeus, 1758)
+ Unio elongata Lamarck, 1819
+ Alasmodonta arcuata Barnes, 1823
+ Unio sinuata C. Pfeiffer, 1825
+ Unio roissyi Michaud, 1831
+ Unio margaritifer var. minor Rossmässler, 1835
+ Margarita (Unio) crassissimus Lea, 1836
+ Unio tristis Morelet, 1845
+ Unio (Alasm.) dahuricus Middendorff, 1850
+ Alasmodon falcata Gould, 1850
+ Unio (Alasm.) complanatus Middendorff, 1851
+ Unio mongolicus Middendorff, 1851
+ Alasmodon yubaensis Trask, 1854
+ Unio raveneliana Chenu, 1859
+ Margaritana dahurica Kobelt, 1879

Margaritana monodonta (Say, 1829)
+ Unio soleniformis Lea, 1831

Medionidus acutissimus (Lea, 1831)
+ Unio rubellinus Lea, 1857
+ Unio semiplicatus Küster, 1862
+ Unio rubellianus Sowerby, 1868

Medionidus conradicus (Lea, 1834)
+ Unio conradius Conrad, 1838
+ Margaron (Unio) conradianus Lea, 1870

Medionidus kingi (Wright, B.H., 1900)

Medionidus parvulus (Lea, 1860)

Medionidus penicillatus (Lea, 1857)

Medionidus subtentus (Say, 1825)

Medionidus walkeri (Wright, S.H., 1897)

Micromya cælata Conrad

Micromya fabalis Lea
+ Unio capillus Say, 1831
+ Unio lapillus Say, 1831

Monocondylaea corrientesensis d’Orbigny, 1835

Monocondylaea costulata (Moricand, 1858)

Monocondylaea franciscana (Moricand, 1837)

Monocondylaea guarayana (d’Orbigny, 1835)

Monocondylaea inerme (Spix, 1827)

Monocondylaea jaspidea (Húpe, 1857)

Monocondylaea lentiformis Lea, 1866

Monocondylaea paraguayana d’Orbigny, 1835
+ Unio (Monocondylaea) minuana d’Orbigny, 1835

Monocondylaea parchappii d’Orbigny, 1835
+ Monocondyloea pazii Lea, 1866

Monocondylaea reticulata (Moricand, 1858)

Monocondylaea tamsana [sic] Dunker, 1858

Mutela (Pseudomutela) plicata (Sowerby, 1868)

Mutela (s.s.) alata (Lea, 1864)

Mutela (s.s.) angustata (Sowerby, 1868)

Mutela (s.s.) bourguignati Bourguignat, 1885

Mutela (s.s.) dubia (Gmelin, 1791)

Mutela (s.s.) exotica (Lamarck, 1819)
+ Iridina elongata Sowerby & Sowerby, 1821
+ Iridina striata Swainson, 1823
+ Mutela soleniformis Bourguignat, 1886
+ Mutela bridouxi Bourguignat, 1886

Mutela (s.s.) nilotica (Sowerby, 1835) [sic]
+ Mutela jouberti Bourguignat, 1886
+ Mutela vysseri Bourguignat, 1886
+ Mutela visseri Bourguignat, 1886

Mutela (s.s.) nilotica var. emini

Mutela (s.s.) rostrata (Rang, 1835)
+ Iridina coelestis Lea, 1838

Mutela (s.s.) simpsoni Ancey, 1894

Mutela lavigerina [sic] Bourguignat, 1886

Mutela legumen (Rochebrune, 1886)

Mutela mabilli Rochebrune, 1886

Mutela moineti Bourguignat, 1886

Mutela paludicola Rochebrune, 1886

Mutela prasina (Rochebrune, 1886)

Mutela subdiaphana Bourguignat, 1883

Mutela thottoni [sic] Rochebrune, 1886

Mutela welwitschii (Morelet, 1868)

Mycetopoda hupeana (Clessin, 1875)
+ Mycetopus pygmaeus Hupé, 1857

Mycetopoda occidentalis (Clessin, 1879)

Mycetopoda pygmaea (Spix, 1827)
+ Mycetopus weddellii Hupé, 1857

Mycetopoda siliquosa (Spix, 1827)
+ Mycetopoda siliquosus d’Orbigny, 1835

Mycetopoda soleniformis d’Orbigny, 1835
+ Mycetopus solenoides Sowerby, 1839

Mycetopoda staudingeri (von Ihering, 1890)

Mycetopoda subsinuata (Sowerby, 1868)

Mycetopoda ventricosa (d’Orbigny, 1843)

Nephronaias aeruginosus (Morelet, 1849)

Nephronaias averyi (Lea, 1859)

Nephronaias caldwellii (Lea, 1858)

Nephronaias calimatarum [sic] (Morelet, 1849)
+ Unio calamitarum Sowerby, 1868

Nephronaias dysonii (Lea, 1859)

Nephronaias goascoranensis (Lea, 1858)

Nephronaias gundlachi (Dunker, 1858)

Nephronaias macnielii (Lea, 1869)

Nephronaias medellinus (Lea, 1838)
+ Unio purpuriatus Say, 1831
+ Unio strebelii Lea, 1866

Nephronaias melleus (Lea, 1859)

Nephronaias oregonensis (Lea, 1852)

Nephronaias persulcatus (Lea, 1859)

Nephronaias plicatulus (Charpentier in Küster, 1856)

Nephronaias ravistellus (Morelet, 1849)

Nephronaias reticulatus Simpson, 1900

Nephronaias rowellii (Lea, 1859)

Nephronaias rugulosus (Charpentier in Küster, 1856)

Nephronaias sapotalensis (Lea, 1841)

Nephronaias scamnatus (Morelet, 1849)
+ Unio gundlachi Sowerby, 1866

Nephronaias tabascoensis (Charpentier in Küster, 1856)

Nephronaias tehuantepecensis (Crosse & Fischer, 1893)

Nephronaias vellicatus (Reeve, 1865)

Nephronaias yzabalensis (Crosse & Fischer, 1892)

Nodularia (s.s.) anceps (DeShayes, 1874 [sic])

Nodularia (s.s.) anodontaeformis (Tapparone Canefri, 1883)

Nodularia (s.s.) asperula (Lea, 1866)
+ Unio inornatus Reeve, 1865
+ Margaron (Unio) versus Lea, 1870

Nodularia (s.s.) biwae (Kobelt, 1879)

Nodularia (s.s.) bonneaudi (Eydoux, 1838)

Nodularia (s.s.) brandtii (Kobelt, 1879)

Nodularia (s.s.) caerulea (Lea, 1831)
+ Unio gerbidoni Eydoux, 1838
+ Unio substriatus Lea, 1856
+ Unio humilis Lea, 1856
+ Unio corrianus Küster, 1861
+ Unio leioma Benson, 1862
+ Unio pilatus Lea, 1866
+ Unio evitatus Lea, 1866
+ Unio trirostris Sowerby, 1868
+ Unio andersoniana Nevill, 1877

Nodularia (s.s.) contradens (Lea, 1838)
+ Unio javanus Lea, 1840
+ Unio exilis Dunker, 1846
+ Unio mutatus Mousson, 1849
+ Unio mederianus Küster, 1861

Nodularia (s.s.) crispata (Gould, 1843)

Nodularia (s.s.) dautzenbergi (Morlet, 1889)

Nodularia (s.s.) digitiformis (Sowerby, 1868)

Nodularia (s.s.) dimota (Lea, 1870)
+ Unio sumatrensis Lea, 1859

Nodularia (s.s.) dorri (Wattebled, 1886)

Nodularia (s.s.) douglasiae (Gray in Griffith & Pidgeon, 1834)
+ Unio murchisonianus Lea, 1834
+ Unio osbeckii Philippi, 1844
+ Unio nuxpersicae Dunker, 1849
+ Unio wrightii Lea, 1865
+ Unio sculptus Deshayes, 1873
+ Unio pictorum var. longirostris Westerlund, 1877
+ Unio douglasiae dactylinus Heude, 1885
+ Unio douglasiae firmus Heude, 1885
+ Unio douglasiae chloreus Heude, 1885
+ Unio schrencki Westerlund, 1897
+ Unio abbreviatus Westerlund, 1897

Nodularia (s.s.) douglasiae var. nipponensis (von Martens, 1877)
+ Unio nipponensis Kobelt, 1879

Nodularia (s.s.) douglasiae var. shanghaiensis (Lea, 1859)
+ Unio pictorum var. amurensis Mousson, 1887

Nodularia (s.s.) fischeriania [sic] (Morlet, 1883)

Nodularia (s.s.) fluctiger (Lea, 1859)

Nodularia (s.s.) fulvaster (Drouet & Chaper, 1892)

Nodularia (s.s.) gaudichaudi (Eydoux, 1838)

Nodularia (s.s.) gratiosa (Philippi, 1845)

Nodularia (s.s.) haconensis (von Ihering, 1893)

Nodularia (s.s.) ingallsiana (Lea, 1852)

Nodularia (s.s.) inornata (Lea, 1856)

Nodularia (s.s.) involuta (Benson in Hanley, 1856)

Nodularia (s.s.) japanensis (Lea, 1859)

Nodularia (s.s.) japanensis var. jokohamensis (von Ihering, 1893)
+ Unio japanensis Kobelt, 1879

Nodularia (s.s.) jourdyi (Morlet, 1886)

Nodularia (s.s.) keraudreni (Eydoux, 1838)

Nodularia (s.s.) ledoulxiana (Charmes, 1885)

Nodularia (s.s.) lugens (Drouet & Chaper, 1892)

Nodularia (s.s.) micheloti (Morlet, 1886)

Nodularia (s.s.) mossambicensis (von Martens, 1860)
+ Unio sennariensis [sic] var. schweinfurthi Martens, 1873

Nodularia (s.s.) nucleus (Lea, 1856)

Nodularia (s.s.) nuttalliana (Lea, 1856)

Nodularia (s.s.) occata (Lea, 1860)
+ Unio macilentus Benson, 1862
+ Unio rugosus Hanley & Theobald, 1876

Nodularia (s.s.) olivaria (Lea, 1831)
+ Unio pumilio Küster, 1862

Nodularia (s.s.) omiensis (von Heimburg, 1884)

Nodularia (s.s.) orientalis (Lea, 1840)
+ Unio productus Mousson, 1849
+ Unio productior Lea, 1852

Nodularia (s.s.) pachysoma (Benson, 1862)
+ Unio pachystoma Paetel, 1890

Nodularia (s.s.) pazii (Lea, 1862)

Nodularia (s.s.) phaselus (Lea, 1856)

Nodularia (s.s.) pugio (Benson, 1862)

Nodularia (s.s.) reiniana (Kobelt, 1879)

Nodularia (s.s.) rustica (Lea, 1856)
+ Unio paivanus Morelet, 1865
+ Unio cambojensis Sowerby, 1866

Nodularia (s.s.) sacellus [sic] (Drouet & Chaper, 1892)

Nodularia (s.s.) sagittaria (Lea, 1856)

Nodularia (s.s.) scobina (‘Benson ms’ Hanley, 1856)

Nodularia (s.s.) scobinata (Lea, 1856)
+ Unio mandarinus Morelet, 1864
+ Unio pellislacerti Morelet, 1865
+ Unio venustus Morelet, 1866
+ Unio oblitus Lea, 1870

Nodularia (s.s.) semidecorata (Morlet, 1889)

Nodularia (s.s.) shurtleffiana (Lea, 1856)

Nodularia (s.s.) sobolus [sic] (Fischer, 1891)
+ Unio siamensis Morlet, 1889

Nodularia (s.s.) teretiuscula (Philippi, 1847)
+ Margarita (Unio) cailliaudii Lea, 1836
+ Unio lithophagus Philippi, 1847

Nodularia (s.s.) trompi (Drouet & Chaper, 1892)

Nodularia (s.s.) tumidula (Lea, 1856)

Nodularia (s.s.) verbecki (Boettger, 1897)

Nodularia (sec. Cafferia) abyssinica (von Martens, 1866)

Nodularia (sec. Cafferia) acuminata (Adams, H., 1866)

Nodularia (sec. Cafferia) caffer (Krauss, 1848)
+ Unio verreauianus Lea, 1856
+ Unio caffer Küster, 1856
+ Unio navigioliformis Lea, 1859
+ Unio natalensis Lea, 1864
+ Unio verreauxianus Lea, 1867
+ Unio rectilinearis Sowerby, 1868
+ Unio verrauianus Sowerby, 1868
+ Unio verreauxi E.A. Smith, 1891

Nodularia (sec. Cafferia) caffer var. africana (Lea, 1856)
+ Unio caffer Küster, 1856
+ Unio niloticus Küster, 1856

Nodularia (sec. Cafferia) caffer var. vaalensis (Chaper, 1885)

Nodularia (sec. Cafferia) dembeae (Reeve, 1865)

Nodularia (sec. Cafferia) diminuta (Lea, 1859)
+ Unio diminutis Lea, 1859
+ Unio gratiosus Paetel, 1890

Nodularia (sec. Cafferia) fissidens (Boettger, O., 1866)

Nodularia (sec. Cafferia) hygapanus (Boettger, O., 1866)

Nodularia (sec. Cafferia) jickeli Simpson, 1900
+ Unio teretiusculus Jickeli, 1874

Nodularia (sec. Cafferia) lourdelli [sic] (Bourguignat, 1887)

Nodularia (sec. Cafferia) mandinguorum (Rochebrune, 1881)

Nodularia (sec. Cafferia) traversii (Pollonera, 1888)

Nodularia (sec. Cafferia) zeyheri (Menke, 1848)

Nodularia (sec. Cylindrica) cylindrica Simpson, 1900
+ Unio grayanus Schrenck, 1867

Nodularia (sec. Cælatura [sic]) aegyptiaca (Cailliaud, 1827)
+ Unio egyptiaca Deshayes, 1832
+ Unio eucyphus Bourguignat, 1857
+ Unio bourguignati Landrin, 1864
+ Unio aegyptiacus Jickeli, 1874
+ Unio aegyptiacus Jickeli, 1874
+ Unio aegyptiacus Jickeli, 1874
+ Unio aegyptiacus Jickeli, 1874
+ Pharaonia bourguignati Rochebrune, 1886

Nodularia (sec. Cælatura [sic]) aequitoria [sic] (Morelet, 1885)
+ Unio landanensis Schepman, 1891

Nodularia (sec. Cælatura [sic]) ambifaria (von Martens, 1897)

Nodularia (sec. Cælatura [sic]) bagdadensis (Bourguignat, 1852)

Nodularia (sec. Cælatura [sic]) bakoyi (Rochebrune, 1881)

Nodularia (sec. Cælatura [sic]) bellamyi (Jousseaume, 1886)

Nodularia (sec. Cælatura [sic]) bohmi [sic] (von Martens, 1897)

Nodularia (sec. Cælatura [sic]) borellii (Ancey, 1894)

Nodularia (sec. Cælatura [sic]) calathus (Bourguignat, 1885)

Nodularia (sec. Cælatura [sic]) decampsiana (Wattebled, 1884)
+ Unio campsianus Paetel, 1890
+ Unio decampaianus Paetel, 1890

Nodularia (sec. Cælatura [sic]) emini (von Martens, 1897)

Nodularia (sec. Cælatura [sic]) essoensis (Chaper, 1885)

Nodularia (sec. Cælatura [sic]) fouladougouensis (Jousseaume, 1886)

Nodularia (sec. Cælatura [sic]) gabonensis (Küster, 1862)

Nodularia (sec. Cælatura [sic]) horei (Smith, E.A., 1880)

Nodularia (sec. Cælatura [sic]) juliani (Rang, 1835)

Nodularia (sec. Cælatura [sic]) kunenensis (Mousson, 1887)

Nodularia (sec. Cælatura [sic]) lechaptoisi (Ancey, 1894)

Nodularia (sec. Cælatura [sic]) liederi (von Martens, 1897)

Nodularia (sec. Cælatura [sic]) nilotica (Cailliaud, 1827)
+ Unio parreyssi Philippi, 1848
+ Unio pumilus Lea, 1852
+ Unio rugifer Küster, 1856
+ Unio sennaariensis Küster, 1862
+ Unio aeneus Jickeli, 1874
+ Unio charbonnieri Bourguignat, 1886
+ Unio coulboisi Bourguignat, 1886
+ Unio dromauxi Bourguignat, 1886

Nodularia (sec. Cælatura [sic]) nilotica var. gerrardi (von Martens, 1897)

Nodularia (sec. Cælatura [sic]) radiota [sic] (Charmes, 1885)

Nodularia (sec. Cælatura [sic]) randabeli (Bourguignat, 1886)

Nodularia (sec. Cælatura [sic]) renea (Jousseaume, 1886)
+ Reneus faidherbei Jousseaume, 1886

Nodularia (sec. Lanceolaria) gladiolus (Heude, 1877)

Nodularia (sec. Lanceolaria) grayana (Lea, 1834)
+ Unio grayii Griffith & Pidgeon, 1833

Nodularia (sec. Lanceolaria) oxyrhynchus (von Martens, 1861)

Nodularia (sec. Lanceolaria) triformis (Heude, 1877)
+ Unio distortus Heude, 1883

Nodularia (sec. Radiatula) crispisulcata (Benson, 1862)

Nodularia (sec. Radiatula) lima Simpson, 1900
+ Unio radula Hanley, 1856

Obliquaria reflexa Rafinesque, 1820
+ Unio cornutus Barnes, 1823
+ Unio torulosus Short & Eaton, 1831
+ Unio phillipsii Conrad, 1835

Obovaria (Pseudoon) castanea (Lea, 1831)

Obovaria (Pseudoon) ellipsis (Lea, 1828)
+ Unio brevialis Sowerby & Sowerby, 1821
+ Unio triagularis Say, 1834
+ Unio olivarius Conrad, 1834
+ Unio taitanus Sowerby, 1868
+ Unio pealei Lea, 1871

Obovaria (s.s.) circulus (Lea, 1829)
+ Unio rotundus Wood, 1828
+ Unio subrotundus Ferussac, 1835

Obovaria (s.s.) leibii (Lea, 1862)

Obovaria (s.s.) lens (Lea, 1831)
+ Unio laevigatus Say, 1834

Obovaria (s.s.) lens var. depygis (Conrad, 1866)

Obovaria (s.s.) retusa (Lamarck, 1819)
+ Unio torsus Potiez & Michaud, 1844

Obovaria (s.s.) rotulata (Wright, B.H., 1899)

Obovaria (s.s.) tinkeri (Wright, B.H., 1899)

Obovaria (s.s.) unicolor (Lea, 1845)

Obovaria cordata Rafinesque, 1820

Obovaria retusa Rafinesque, 1820

Obovaria stegaria Rafinesque, 1820

Obovaria striata Rafinesque, 1820

Obovaria torsa Rafinesque, 1820

Parreysia (Acuticosta) chinensis (Lea, 1868)

Parreysia (Acuticosta) chinensis var. laevis (Heude, 1883)

Parreysia (Acuticosta) chinensis var. squamosus (Heude, 1883)

Parreysia (Acuticosta) retiaria (Heude, 1883)

Parreysia (Aurora) aurorea (Heude, 1883)

Parreysia (Pseudobaphia) biesiana (Heude, 1877)

Parreysia (s.s.) aferula (Lea, 1864)

Parreysia (s.s.) bakeri (Adams, H., 1866)

Parreysia (s.s.) bhamoensis (Theobald, 1874)
+ Unio mandelayensis Theobald, 1873

Parreysia (s.s.) billotianus [sic] (Charmes, 1885)

Parreysia (s.s.) broti (DeShayes & Jullien, 1874)

Parreysia (s.s.) burmanus (Blanford, 1869)
+ Unio birmanus Hanley & Theobald, 1872

Parreysia (s.s.) corbis (Hanley, 1856)

Parreysia (s.s.) corrugata (Müller, 1774)
+ Mya spuria Gmelin, 1791
+ Mya gaditana Schreibers, 1793
+ Unio corrugata Bruguière, 1797
+ Unio spuria Lamarck, 1819
+ Mysca (Potomida) corrugata Swainson, 1840
+ Unio multidentatus Philippi, 1847
+ Unio fulmineus Philippi, 1847
+ Unio lutens Lea, 1856
+ Unio luteus Lea, 1856
+ Unio semirugatus Chenu, 1858
+ Unio merodabensis Küster, 1861
+ Unio wynegungaensis Hanley & Theobald, 1872
+ Unio tennentii Hanley & Theobald, 1872
+ Unio phayresi Simpson, 1900

Parreysia (s.s.) corrugata var. laevirostris (Benson, 1862)

Parreysia (s.s.) corrugata var. nagpoorensis (Lea, 1859)

Parreysia (s.s.) dumesnilianus (Charmes, 1885)

Parreysia (s.s.) duponti (Rochebrune, 1881)
+ Unio bakeri Martens, 1879
+ Unio duponti Bourguignat, 1883
+ Unio grandidieri Bourguignat, 1883

Parreysia (s.s.) euphymus (Charmes, 1885)

Parreysia (s.s.) fabagina (DeShayes & Jullien, 1874)

Parreysia (s.s.) favidens (Benson, 1862)
+ Mya spuria Wood, 1825
+ Unio favidens var. marcens Benson, 1862
+ Unio smaragdites Benson, 1862
+ Unio favidens var. chrysis Benson, 1862
+ Unio favidens var. deltae Benson, 1862
+ Unio favidens var. viridula Benson, 1862
+ Unio favidens var. densa Benson, 1862
+ Unio favidens var. trigona Benson, 1862
+ Unio trirostris Musgrave, 1863
+ Unio tripartitus Lea, 1863
+ Unio flavidens Reeve, 1865

Parreysia (s.s.) favidens var. pinax (Benson, 1862)

Parreysia (s.s.) favidens var. plagiosoma (Benson, 1862)

Parreysia (s.s.) feae (Tapparone Canefri, 1889)

Parreysia (s.s.) feddeni (Theobald, 1874)

Parreysia (s.s.) gowhattenensis [sic] (Theobald, 1874)
+ Unio gowlattensis Paetel, 1890

Parreysia (s.s.) hauttecoeuri (Bourguignat, 1883)

Parreysia (s.s.) hauttecoeuri var. edwardsiana (Bourguignat, 1883)

Parreysia (s.s.) hypsiprimnus [sic] (von Martens, 1897)

Parreysia (s.s.) kirkii (Lea, 1864)

Parreysia (s.s.) leopoldvillensis (Putzeys, 1898)

Parreysia (s.s.) molleuri (Morelet, 1891)

Parreysia (s.s.) monceti (Bourguignat, 1883)

Parreysia (s.s.) multicolor (von Martens, 1897)

Parreysia (s.s.) ngesianus (von Martens, 1897)

Parreysia (s.s.) nyassaensis (Lea, 1864)
+ Unio nyassae Sowerby, 1866
+ Unio nyassanus Bourguignat, 1889
+ Unio hermosus Bourguignat, 1889

Parreysia (s.s.) rajahensis (Lea, 1841)
+ Unio indicus Sowerby, 1866

Parreysia (s.s.) ruellani (Bourguignat, 1883)

Parreysia (s.s.) rugosa (Gmelin, 1791)

Parreysia (s.s.) sikkimensis (Lea, 1859)

Parreysia (s.s.) simpularis [sic] (Heude, 1884)
+ Unio modestus Heude, 1877

Parreysia (s.s.) stuhlmanni (von Martens, 1897)

Parreysia (s.s.) tavoyensis (Gould, 1843)
+ Unio parma Sowerby, 1868
+ Unio savoyensis Paetel, 1890

Parreysia (s.s.) tavoyensis var. triembolus (Benson, 1855)
+ Unio houngdarauicus Tapparone Canefri, 1889

Parreysia (s.s.) trisulcata (Heude, 1883)

Parreysia (s.s.) ujijiensis (Bourguignat, 1885)
+ Unio nyassaensis var. tanganyicensis E.A. Smith, 1881

Parreysia (s.s.) vulcana (Hanley, 1875)

Parreysia (s.s.) wynegungaensis (Lea, 1859)
+ Unio wynegungensis Sowerby, 1868

Pegias fabula (Lea, 1838)
+ Margaritana curreyiana Lea, 1840
+ Margaritana correyana Küster, 1862

Physunio (s.s.) cambodiensis (Lea, 1856)

Physunio (s.s.) crossei (DeShayes & Jullien, 1874)

Physunio (s.s.) gravidus (Lea, 1856)
+ Unio abnormis Morelet, 1862
+ Unio superbus Sowerby, 1867

Physunio (s.s.) micropterus (Morelet, 1866)

Physunio (s.s.) semialatus (DeShayes & Jullien, 1874)

Physunio (s.s.) superbus (Lea, 1841)
+ Unio velaris Hanley, 1856
+ Unio massini Morelet, 1864

Physunio (sec. Lens) eximius (Lea, 1856)
+ Unio semiquadrata Sowerby, 1866

Physunio (sec. Lens) velaris (Sowerby, 1868)

Pilsbryoconcha carinifera (Conrad, 1837)

Pilsbryoconcha exilis (Lea, 1838)
+ Anodonta polita Mousson, 1849
+ Anodonta siliqua Küster, 1853
+ Monocondyloea compressa Lea, 1863
+ Anodon javona Sowerby, 1867
+ Anodon gracilis Sowerby, 1867
+ Anodon kelletii Sowerby, 1867
+ Anodonta sempervivens Deshayes & Jullien, 1876

Pilsbryoconcha lemsleyi [sic] (Morelet, 1875)

Pilsbryoconcha linguaeformis (Morelet, 1875)

Pilsbryoconcha schomburgki (von Martens, 1860)

Plagiola (Amygdalonaias) cognata (Lea, 1860)
+ Unio donaciformis Sowerby, 1866

Plagiola (Amygdalonaias) donaciformis (Lea, 1828)
+ Unio zigzag Lea, 1829
+ Unio nervosa Conrad, 1834

Plagiola (Amygdalonaias) elegans (Lea, 1831)
+ Unio truncatus Say, 1834

Plagiola (Amygdalonaias) macrodon (Lea, 1859)

Plagiola (Ptychoderma) cyrenoides (Philippi, 1847)
+ Unio newcombianus Lea, 1856
+ Unio sagrinatus Sowerby, 1868

Plagiola (Ptychoderma) encarpus (Lea, 1868)

Plagiola (Ptychoderma) nicaraguensis (Lea, 1868)
+ Unio gabbianus Lea, 1868

Plagiola (s.s.) securis (Lea, 1829)
+ Obliquaria (Plagiola) depressa Rafinesque, 1820
+ Unio securis Deshayes, 1832
+ Unio lineolatus Say, 1834

Plagiola imbricatus (Mörch, 1861)

Plagiola nuculinus (Philippi, 1848)

Pleiodon (Cameronia) anceyi (Bourguignat, 1885)

Pleiodon (Cameronia) bourguignati Bourguignat, 1885

Pleiodon (Cameronia) bridouxi (Bourguignat, 1886)

Pleiodon (Cameronia) charbonnieri (Bourguignat, 1886)

Pleiodon (Cameronia) complanata (Bourguignat, 1886)

Pleiodon (Cameronia) dromauxi (Bourguignat, 1886)

Pleiodon (Cameronia) giraudi (Bourguignat, 1885)

Pleiodon (Cameronia) guillemeti (Bourguignat, 1886)

Pleiodon (Cameronia) jouberti (Bourguignat, 1886)

Pleiodon (Cameronia) landeaui Bourguignat, 1886

Pleiodon (Cameronia) lavigirina [sic] (Bourguignat, 1886)

Pleiodon (Cameronia) locardiana (Bourguignat, 1886)

Pleiodon (Cameronia) mabilliana (Bourguignat, 1886)

Pleiodon (Cameronia) marioniana (Bourguignat, 1885)

Pleiodon (Cameronia) moineti (Bourguignat, 1886)

Pleiodon (Cameronia) obtusa (Bourguignat, 1886)

Pleiodon (Cameronia) pulchella (Bourguignat, 1886)

Pleiodon (Cameronia) randebeli [sic] (Bourguignat, 1886)

Pleiodon (Cameronia) revoiliana (Bourguignat, 1885)

Pleiodon (Cameronia) spekii Woodward, 1859
+ Cameronia gigantea Bourguignat, 1886
+ Cameronia admirabilis Bourguignat, 1886
+ Cameronia coulboisi Bourguignat, 1886
+ Cameronia josseti Bourguignat, 1886
+ Cameronia paradoxa Bourguignat, 1886

Pleiodon (Cameronia) vynckii [sic] (Bourguignat, 1886)

Pleiodon (s.s.) diolibanus Bourguignat, 1879

Pleiodon (s.s.) elongatus Bourguignat, 1879

Pleiodon (s.s.) letourneuxianus Bourguignat, 1879

Pleiodon (s.s.) ovatus (Swainson, 1823)
+ Iridina exotica Children, 1823
+ Pleiodon macmurtriei Conrad, 1834
+ Iridina valeus Jay, 1850
+ Platiris (Iridina) leaii Lea, 1852
+ Pleiodon splendens Conrad, 1854
+ Iridina splendida Chenu, 1858

Pleiodon (s.s.) pachyodon Bourguignat, 1879

Pleurobema (s.s.) abacus (Haldeman, 1842)

Pleurobema (s.s.) acuens (Lea, 1871)

Pleurobema (s.s.) alta (Conrad, 1854)
+ Unio fibuloides Lea, 1859

Pleurobema (s.s.) appressa (Lea, 1871)
+ Unio argenteus Sowerby, 1866
+ Unio tuscumbiensis Lea, 1871
+ Unio flavidus Lea, 1872

Pleurobema (s.s.) argentea (Lea, 1841)

Pleurobema (s.s.) argentea var. pannosa Simpson, 1900

Pleurobema (s.s.) avellana Simpson, 1900

Pleurobema (s.s.) barnesiana (Lea, 1838)
+ Unio raveneliensis Reeve, 1864
+ Unio tellicoensis Lea, 1872

Pleurobema (s.s.) bigbyensis (Lea, 1841)

Pleurobema (s.s.) bournianus (Lea, 1840)

Pleurobema (s.s.) brevis (Lea, 1872)

Pleurobema (s.s.) brevis var. subilliptica [sic] Simpson, 1900

Pleurobema (s.s.) brumbyanus (Lea, 1841)
+ Unio brumleyanus Lea, 1841
+ Unio concolor Lea, 1861

Pleurobema (s.s.) bulbosa (Lea, 1857)

Pleurobema (s.s.) chattanoogaensis (Lea, 1858)

Pleurobema (s.s.) clava (Lamarck, 1819)
+ Unio patulus Lea, 1829
+ Unio cuneatus Say, 1834
+ Unio clavus Conrad, 1835
+ Unio patulus Conrad, 1838

Pleurobema (s.s.) conasaugaensis (Lea, 1872)

Pleurobema (s.s.) cor (Conrad, 1834)
+ Unio mytilloides Conrad, 1834
+ Unio crapulus Lea, 1861
+ Unio lewisii Lea, 1861

Pleurobema (s.s.) cruda (Lea, 1871)

Pleurobema (s.s.) cuneolus (Lea, 1840)
+ Unio cuneolus Küster, 1861
+ Unio clinchensis Lea, 1867

Pleurobema (s.s.) curta (Lea, 1859)

Pleurobema (s.s.) decisa (Lea, 1831)
+ Unio scalenius Say, 1834
+ Unio decisus Küster, 1852
+ Unio anaticulus Lea, 1861
+ Unio consanguineus Lea, 1861
+ Unio crebrivittatus Lea, 1861
+ Unio medius Reeve, 1864

Pleurobema (s.s.) dolabelloides (Lea, 1840)
+ Unio thorntonii Lea, 1857
+ Unio mooresianus Lea, 1857
+ Unio recurvatus Lea, 1871
+ Unio circumactus Lea, 1871
+ Unio moorenianus Paetel, 1890

Pleurobema (s.s.) edgarianus (Lea, 1840)
+ Unio edgarianus Reeve, 1864
+ Unio obuncus Lea, 1871
+ Unio andersonensis Lea, 1872

Pleurobema (s.s.) estabrookiana (Lea, 1845)
+ Unio striatissimus J.G. Anthony, 1865
+ Unio estabrokianus Paetel, 1890

Pleurobema (s.s.) fassinans (Lea, 1868)

Pleurobema (s.s.) fassinans var. rhomboidea Simpson, 1900

Pleurobema (s.s.) favosa (Lea, 1856)

Pleurobema (s.s.) flavidulus (Lea, 1861)

Pleurobema (s.s.) furva (Conrad, 1834)

Pleurobema (s.s.) georgiana (Lea, 1841)

Pleurobema (s.s.) gibber (Lea, 1838)

Pleurobema (s.s.) hagleri (Frierson, 1900)

Pleurobema (s.s.) hanleyana [sic] (Lea, 1852)
+ Unio hanleyanus Reeve, 1864

Pleurobema (s.s.) harperi (Wright, B.H., 1899)

Pleurobema (s.s.) hartmaniana (Lea, 1860)

Pleurobema (s.s.) holstonensis (Lea, 1840)
+ Unio mundus Lea, 1857
+ Unio mundus Reeve, 1864
+ Unio lawii Lea, 1871
+ Unio pattinoides Lea, 1871
+ Unio bellulus Lea, 1872

Pleurobema (s.s.) instructa (Lea, 1861)

Pleurobema (s.s.) interventus (Lea, 1861)
+ Unio pallidofulvus Lea, 1861

Pleurobema (s.s.) irrasa (Lea, 1861)

Pleurobema (s.s.) johannis (Lea, 1859)

Pleurobema (s.s.) lenticularis (Lea, 1872)

Pleurobema (s.s.) lesleyi (Lea, 1860)

Pleurobema (s.s.) lita (Lea, 1871)

Pleurobema (s.s.) lyonii (Lea, 1865)

Pleurobema (s.s.) maculata (Conrad, 1834)

Pleurobema (s.s.) meredithii (Lea, 1858)

Pleurobema (s.s.) modica (Lea, 1857)

Pleurobema (s.s.) murrayensis (Lea, 1868)

Pleurobema (s.s.) nucleopsis (Conrad, 1849)

Pleurobema (s.s.) nux (Lea, 1852)
+ Unio cinnamomicus Lea, 1861
+ Unio cinnamominus Sowerby, 1868

Pleurobema (s.s.) ornata (Lea, 1861)

Pleurobema (s.s.) oviformis (Conrad, 1834)

Pleurobema (s.s.) patsaligensis Simpson, 1900

Pleurobema (s.s.) perovata (Conrad, 1834)

Pleurobema (s.s.) pinkstoni (Wright, S.H., 1897)

Pleurobema (s.s.) planior (Lea, 1868)

Pleurobema (s.s.) pudica (Lea, 1860)
+ Unio subrotundus Sowerby, 1866

Pleurobema (s.s.) pyriformis (Lea, 1857)

Pleurobema (s.s.) raveneliana (Lea, 1834)
+ Unio decisus Küster, 1852

Pleurobema (s.s.) reclusa (Wright, B.H., 1898)

Pleurobema (s.s.) rubella (Conrad, 1834)
+ Unio rudis Conrad, 1837
+ Unio pulvinulus Lea, 1845

Pleurobema (s.s.) showalterii (Lea, 1860)

Pleurobema (s.s.) simulans (Lea, 1871)

Pleurobema (s.s.) stabilis (Lea, 1861)
+ Unio medius Lea, 1861

Pleurobema (s.s.) striata (Lea, 1840)

Pleurobema (s.s.) strodeana (Wright, B.H., 1898)

Pleurobema (s.s.) subglobata (Lea, 1871)

Pleurobema (s.s.) swordiana (Wright, S.H., 1897)
+ Pleurobema swordiana Simpson, 1900

Pleurobema (s.s.) taitiana (Lea, 1834)

Pleurobema (s.s.) tesserulae (Lea, 1862)

Pleurobema (s.s.) troschelianus (Lea, 1852)

Pleurobema (s.s.) tumescens (Lea, 1845)
+ Unio radiosus Lea, 1871

Pleurobema (s.s.) valida (Lea, 1871)

Pleurobema (s.s.) vera (Lea, 1861)

Pleurobema (sec. Plethobasus) aesopus (Green, 1827)
+ Unio cyphia Rafinesque, 1820
+ Unio scyphius Küster, 1861

Pleurobema (sec. Plethobasus) cicatricosa (Say, 1829)
+ Unio varicosus Lea, 1831
+ Unio cicatricosus Reeve, 1864

Prisodon (Hyriana) ortonii (Lea, 1868)

Prisodon (s.s.) alatus (Sowerby, 1869)

Prisodon (s.s.) brownianus (Lea, 1838)

Prisodon (s.s.) castelnaudi (Húpe, 1857)

Prisodon (s.s.) complanatus (Húpe, 1857)
+ Hyria syrmatophora Küster, 1856

Prisodon (s.s.) obliquus Schumacher, 1817
+ Hyria avicularis Lamarck, 1819
+ Unio caudatus Wagner, 1827
+ Diplodon furcatum Wagner, 1827
+ Hyria elongata Swainson, 1841

Prisodon (s.s.) rectus (Sowerby, 1869)

Prisodon (s.s.) syrmatophorus (Meuschen in Gronovius, 1781)
+ Triquetra pectunculus subviridis Klein, 1753
+ Paxyodon ponderosus Schumacher, 1817
+ Hyria avicularis Lamarck, 1819

Pseudavicula johnstoni (Smith, E.A., 1893)

Pseudodon (s.s.) aeneolus Drouet, 1892

Pseudodon (s.s.) aureus Heude, 1885

Pseudodon (s.s.) cambodjensis (Petit, 1865)

Pseudodon (s.s.) chaperi Morgan, 1885

Pseudodon (s.s.) cumingii (Lea, 1850)

Pseudodon (s.s.) ellipticum Conrad, 1865

Pseudodon (s.s.) harmandi Crosse & Fischer, 1876

Pseudodon (s.s.) inoscularis (Gould, 1844)

Pseudodon (s.s.) moreleti Crosse & Fischer, 1876
+ Monocondylea tumida Deshayes & Jullien, 1876

Pseudodon (s.s.) nicobarica (Moerch, 1872)

Pseudodon (s.s.) ovalis Morlet, 1889

Pseudodon (s.s.) salwenianus (Gould, 1844)

Pseudodon (s.s.) thomsoni Morlet, 1884

Pseudodon (s.s.) tumidus (Morelet, 1866)

Pseudodon (s.s.) vondembuschianus (Lea, 1840)

Pseudodon (s.s.) vondembuschianus (Lea, 1840)
+ Alasmodonta crispata Mousson, 1849
+ Monodontina buschiana Conrad, 1853
+ Monocondyloea planulata Lea, 1859
+ Margaritana fragilis Küster, 1862
+ Monocondylaea rhomboidea Küster, 1862
+ Unio vonbuschea Sowerby, 1866

Pseudodon (s.s.) zollingeri (Mousson, 1849)

Pseudodon (sec. Bineurus) ava (Theobald, 1873)

Pseudodon (sec. Bineurus) exilis (Morelet, 1866)

Pseudodon (sec. Bineurus) mouhoti (Lea, 1863)
+ Pseudodon manhoti Conrad, 1865
+ Monocondylaea mouhotiana Lea, 1866

Pseudodon (sec. Nasus) nankingensis (Heude, 1874)
+ Monocondylaea nanquingensis Paetel, 1890

Pseudodon (sec. Nasus) secundus Heude, 1877

Pseudodon (sec. Obovalis) loomisi Simpson, 1900

Pseudodon (sec. Suborbiculus) orbicularis (Morelet, 1866)

Pseudodon (sec. Trigonodon) crebristriatus (Anthony, J.G., 1865)
+ Unio vondembuschii Sowerby, 1868

Pseudodon (sec. Trigonodon) crebristriatus var. peguensis (Anthony, J.G., 1865)

Pseudodon anodontinus Rochebrune, 1882

Pseudodon compressa von Martens, 1860

Pseudodon mabilli Rochebrune, 1882

Pseudodon pierri [sic] Rochebrune, 1882

Pseudodon sulcatum Rochebrune, 1882

Pseudodon walpolei Hanley, 1871

Pseudospatha bourguignati (Bourguignat, 1886)

Pseudospatha bridouxi (Bourguignat, 1886)

Pseudospatha jouberti (Bourguignat, 1886)

Pseudospatha leopoldvillensis [sic] (Putzeys, 1898)

Pseudospatha livingstonensis [sic] (Bourguignat, 1883)
+ Spatha tanganyicensis E.A. Smith, 1880
+ Burtonia elongata Bourguignat, 1886
+ Burtonia contorta Bourguignat, 1886

Pseudospatha subtriangularis (Bourguignat, 1886)
+ Burtonia grandidieriana Bourguignat, 1886

Pseudospatha tanganyicensis (Smith, E.A., 1880)
+ Burtonia moineti Bourguignat, 1886
+ Burtonia lavigeriana Bourguignat, 1886
+ Burtonia magnifica Bourguignat, 1886

Ptychobranchus clintonensis Simpson, 1900

Ptychobranchus flavescens (Lea, 1845)

Ptychobranchus foremanianus (Lea, 1842)
+ Unio velatus Conrad, 1854
+ Unio woodwardius Lea, 1857
+ Unio woodwardianus Lea, 1859

Ptychobranchus greeni (Conrad, 1834)
+ Unio simplex Lea, 1845

Ptychobranchus phaseolus (Hildreth, 1828)
+ Unio planulatus Lea, 1829
+ Unio fasciolaris Conrad, 1834
+ Unio camelus Lea, 1834
+ Unio compressissimus Lea, 1845

Ptychobranchus trinacrus (Lea, 1861)
+ Unio trinacris Lea, 1862

Ptychorhynchus apicellatus (Heude, 1883)

Ptychorhynchus mediastinus (Heude, 1883)

Ptychorhynchus murinus (Heude, 1883)
+ Unio compressus Heude, 1877
+ Unio morinus Paetel, 1890
+ Ptychorhynchus incertus Simpson, 1900

Ptychorhynchus pfisteri (Heude, 1874)

Ptychorhynchus pfisteri var. inspiratus [sic] (Heude, 1877)

Ptychorhynchus schomburgianus (Heude, 1885)

Quadrula (Discomya) radulosa (Drouet & Chaper, 1892)

Quadrula (Discomya) radulosa var. rhomboidea Simpson, 1900

Quadrula (Lamprotula) bazini (Heude, 1877)

Quadrula (Lamprotula) caveata (Heude, 1877)
+ Unio contritus Heude, 1881
+ Unio quadrangulosus Heude, 1881

Quadrula (Lamprotula) coreana (von Martens, 1886)

Quadrula (Lamprotula) cornuum-lunae (Heude, 1883)
+ Unio montanus Heude, 1875
+ Unio trisulcatus Heude, 1883
+ Unio paschalis Heude, 1883
+ Unio verruculosus Heude, 1883
+ Unio abortivus Heude, 1883
+ Unio monticola Heude, 1884

Quadrula (Lamprotula) cornuum-lunae var. cinnamomeus (Gredler, 1881)

Quadrula (Lamprotula) divergens (Benson, 1855)

Quadrula (Lamprotula) fibrosa (Heude, 1877)
+ Unio spurius Heude, 1877

Quadrula (Lamprotula) kouangensis Simpson, 1900
+ Unio moreletianus Heude, 1883

Quadrula (Lamprotula) leai (Gray in Griffith & Pidgeon, 1834)
+ Unio leeai Hanley, 1843
+ Unio nodulosus Reeve, 1864

Quadrula (Lamprotula) leai var. leleci (Heude, 1875)
+ Unio richthofeni Martens, 1875

Quadrula (Lamprotula) microstictis [sic] (Heude, 1877)

Quadrula (Lamprotula) nodulosa (Wood, 1815)
+ Unio grandidens Lea, 1862

Quadrula (Lamprotula) ovata Simpson, 1900
+ Unio vestitus Heude, 1883

Quadrula (Lamprotula) plumbea (Chemnitz, 1795)

Quadrula (Lamprotula) polysticto-scriptus (Heude, 1877)
+ Unio scriptopolystictus Heude, 1877
+ Unio scriptopolystrictus Paetel, 1890

Quadrula (Lamprotula) polystictus (Heude, 1877)

Quadrula (Lamprotula) rochechouarti (Heude, 1875)

Quadrula (Lamprotula) scripta (Heude, 1875)

Quadrula (Lamprotula) similaris Simpson, 1900
+ Unio affinis Heude, 1875

Quadrula (Lamprotula) tientsinensis (Crosse & Debeaux, 1863)

Quadrula (Lamprotula) tortuosa (Lea, 1865)
+ Unio (Lampsilis) subtortus Baird & Adams, 1867
+ Unio retortus Heude, 1883

Quadrula (Lamprotula) triclava (Heude, 1877)

Quadrula (Lamprotula) zonata (Heude, 1883)
+ Unio tientsinensis Heude, 1883

Quadrula (Rotundaria) granifera (Lea, 1838)

Quadrula (Rotundaria) granifera var. pusilla Simpson, 1900

Quadrula (Rotundaria) guatemalensis (Simpson, 1900)

Quadrula (Rotundaria) ostreata (Morelet, 1849)

Quadrula (Rotundaria) percompressa (von Martens, 1887)

Quadrula (Rotundaria) tuberculata (Rafinesque, 1820)
+ Unio verrucosus Barnes, 1823
+ Unio tuberculosus Humboldt & Bonpland, 1827
+ Unio verrucosus purpureus Hildreth, 1828

Quadrula (Rotundaria) usumasintæ (Crosse & Fischer, 1892)

Quadrula (s.s.) cylindrica (Say, 1817)
+ Unio naviformis Lamarck, 1819
+ Unio (Eurynia) solenoides var. cylindrica Rafinesque, 1820
+ Unio rugosus Chenu, 1862

Quadrula (s.s.) intermedia (Conrad, 1836)
+ Unio kleinianus Küster, 1861

Quadrula (s.s.) metanevra (Rafinesque, 1820)
+ Unio nodosus Barnes, 1823
+ Unio metaniver Catlow & Reeve, 1845
+ Unio metaneurus Herrmannsen, 1849

Quadrula (s.s.) metanevra var. wardii (Lea, 1862)

Quadrula (s.s.) sparsa (Lea, 1841)

Quadrula (s.s.) stapes (Lea, 1831)
+ Unio retusus Say, 1834
+ Unio stegarius Küster, 1861

Quadrula (s.s.) tuberosa (Lea, 1840)

Quadrula (sec. Crenodonta) boykiniana (Lea, 1840)
+ Unio baykinianus Küster, 1861

Quadrula (sec. Crenodonta) digitata (Morelet, 1851)

Quadrula (sec. Crenodonta) elliottii (Lea, 1856)

Quadrula (sec. Crenodonta) heros (Say, 1829)
+ Unio multiplicatus Lea, 1831
+ Unio undulatus Say, 1831
+ Unio eightsii Lea, 1860
+ Unio atrocostatus Reeve, 1864
+ Unio eighti Paetel, 1890

Quadrula (sec. Crenodonta) neislerii (Lea, 1858)

Quadrula (sec. Crenodonta) nickliniana (Lea, 1834)
+ Unio nicklianus Küster, 1861

Quadrula (sec. Crenodonta) perplicata (Conrad, 1841)
+ Unio atrocostatus Lea, 1845
+ Unio pearlensis Conrad, 1855
+ Unio perlensis Reeve, 1864
+ Unio perplicatus Reeve, 1864
+ Unio brazosensis Lea, 1868
+ Unio lincecumii Lea, 1868
+ Unio pauciplicatus Lea, 1872
+ Unio lincecurei Paetel, 1890

Quadrula (sec. Crenodonta) perplicata var. quintardii (Cragin, 1887)

Quadrula (sec. Crenodonta) plicata (Say, 1817)
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio crassus Barnes, 1823
+ Unio gigantea Lea, 1838
+ Unio heros Küster, 1855

Quadrula (sec. Crenodonta) plicata var. hippopæa [sic] Lea

Quadrula (sec. Crenodonta) stolli (von Martens, 1900)

Quadrula (sec. Crenodonta) trapezoides (Lea, 1831)
+ Unio crassidens Lamarck, 1819
+ Unio dombeyana Humboldt & Bonpland, 1827
+ Unio interruptus Say, 1831

Quadrula (sec. Crenodonta) triumphans (Wright, B.H., 1898)

Quadrula (sec. Crenodonta) undulata (Barnes, 1823)
+ Unio undulata Valenciennes, 1827
+ Unio costatus Conrad, 1836
+ Unio undulatus Hanley, 1843
+ Unio plicatus Küster, 1856
+ Unio atrocostatus Sowerby, 1868

Quadrula (sec. Crenodonta) undulata var. latecostata (Lea, 1845)
+ Unio laticostatus Adams & Adams, 1857

Quadrula (sec. Crenodonta) undulata var. pilsbryi (Marsh, 1891)

Quadrula (sec. Fusconaia) askewi (Marsh, 1896)

Quadrula (sec. Fusconaia) beadleiana (Lea, 1861)

Quadrula (sec. Fusconaia) bursa-pastoris (Wright, B.H., 1896)

Quadrula (sec. Fusconaia) cerina (Conrad, 1838)

Quadrula (sec. Fusconaia) chickasawhensis (Lea, 1861)

Quadrula (sec. Fusconaia) chunii (Lea, 1861)

Quadrula (sec. Fusconaia) coccinea (Conrad, 1836)
+ Unio rubens Menke, 1828
+ Unio catillus Conrad, 1836
+ Unio coccineus Lea, 1838
+ Unio gouldianus Jay, 1839
+ Unio catilus B.H. Wright, 1888
+ Unio cuneus Call, 1895

Quadrula (sec. Fusconaia) coccinea var. paupercula Simpson, 1900

Quadrula (sec. Fusconaia) cuneus (Conrad, 1840)

Quadrula (sec. Fusconaia) ebenus (Lea, 1831)
+ Unio obovalis Say, 1834
+ Unio obliqua Ferussac, 1835
+ Unio (s.s.) mytiloides Swainson, 1840

Quadrula (sec. Fusconaia) flexuosa Simpson, 1900

Quadrula (sec. Fusconaia) friersoni (Wright, B.H., 1896)

Quadrula (sec. Fusconaia) glandacea (Lea, 1861)

Quadrula (sec. Fusconaia) globata (Lea, 1871)

Quadrula (sec. Fusconaia) hebetata (Conrad, 1854)

Quadrula (sec. Fusconaia) kirtlandiana (Lea, 1834)
+ Unio kirklandianus Lea, 1838

Quadrula (sec. Fusconaia) kirtlandiana var. minor Simpson, 1900

Quadrula (sec. Fusconaia) obliqua (Lamarck, 1819)
+ Unio undatus Barnes, 1823
+ Unio mytiloides Short & Eaton, 1831
+ Unio cordatus Conrad, 1836
+ Unio cordatus Küster, 1852

Quadrula (sec. Fusconaia) pilaris (Lea, 1840)
+ Unio lesueurianus Lea, 1840

Quadrula (sec. Fusconaia) plena (Lea, 1840)

Quadrula (sec. Fusconaia) pumila (Lea, 1838)
+ Unio pumilus Sowerby, 1866

Quadrula (sec. Fusconaia) pyramidata (Lea, 1831)
+ Unio cardiacea Guérin-Méneville, 1823
+ Unio mytiloides Bory de St. Vincent, 1827
+ Unio obliquus Wood, 1828
+ Unio mytiloides Conrad, 1836
+ Unio ruber Conrad, 1853

Quadrula (sec. Fusconaia) riddellii (Lea, 1861)

Quadrula (sec. Fusconaia) rubida (Lea, 1861)
+ Unio negatus Lea, 1861

Quadrula (sec. Fusconaia) rubiginosa (Lea, 1829)
+ Unio flavus Conrad, 1837
+ Unio trigonus Sowerby, 1868

Quadrula (sec. Fusconaia) solida (Lea, 1838)
+ Unio cardiacea Deshayes, 1839
+ Unio fulgidus Lea, 1845
+ Unio obovalis Conrad, 1853

Quadrula (sec. Fusconaia) subrotunda (Lea, 1831)
+ Unio brevialis Crouch, 1827
+ Unio personatus Conrad, 1834
+ Unio politus Conrad, 1837

Quadrula (sec. Fusconaia) succissa (Lea, 1852)
+ Unio cacao Lea, 1859
+ Unio succisus Sowerby, 1866

Quadrula (sec. Fusconaia) trigona (Lea, 1831)
+ Unio undatus Conrad, 1834
+ Unio triangularis Küster, 1852
+ Unio pilaris Reeve, 1865

Quadrula (sec. Fusconaia) utriculus (Lea, 1845)

Quadrula (sec. Pachynaias) rugososulcata (Lea, 1866)

Quadrula (sec. Pachynaias) spheniopsis (Morelet, 1849)

Quadrula (sec. Theliderma) apiculata (Say, 1829)
+ Unio nobilis Conrad, 1854

Quadrula (sec. Theliderma) asper (Lea, 1831)
+ Unio nobilis Conrad, 1854
+ Unio turgidus Reeve, 1864

Quadrula (sec. Theliderma) aurea (Lea, 1859)
+ Unio bollii Call, 1881

Quadrula (sec. Theliderma) cahabensis (Lea, 1871)

Quadrula (sec. Theliderma) cooperiana (Lea, 1834)
+ Unio striatus Reeve, 1864

Quadrula (sec. Theliderma) couchiana (Lea, 1860)

Quadrula (sec. Theliderma) forsheyi (Lea, 1859)

Quadrula (sec. Theliderma) fragosus (Conrad, 1836)
+ Unio tragosus Hanley, 1843

Quadrula (sec. Theliderma) houstonensis (Lea, 1859)

Quadrula (sec. Theliderma) infucata (Conrad, 1834)
+ Unio securiformis Conrad, 1849

Quadrula (sec. Theliderma) kleiniana (Lea, 1853)
+ Unio sparsus Küster, 1861

Quadrula (sec. Theliderma) lachrymosa [sic] (Lea, 1828)
+ Unio asperrimus Lea, 1831
+ Unio quadrulus Say, 1834
+ Unio quadratus Reeve, 1864

Quadrula (sec. Theliderma) lachrymosa [sic] var. lunulata (Pratt, 1876)

Quadrula (sec. Theliderma) mortoni (Conrad, 1836)
+ Unio turgidus Lea, 1838

Quadrula (sec. Theliderma) nodifera (Conrad, 1841)

Quadrula (sec. Theliderma) paupercula (Lea, 1861)

Quadrula (sec. Theliderma) petrina (Gould, 1855)

Quadrula (sec. Theliderma) pustulata (Lea, 1831)
+ Unio nodulatus Say, 1834

Quadrula (sec. Theliderma) pustulosa (Lea, 1831)
+ Unio verrucosa Valenciennes, 1827
+ Unio nodulosus Say, 1834
+ Unio prasinus Conrad, 1834
+ Unio schoolcraftensis Lea, 1834
+ Unio bullatus Conrad, 1838
+ Unio dorfeuillianus Lea, 1838
+ Unio uber Conrad, 1866
+ Unio schoolcraftii Lea, 1870

Quadrula (sec. Theliderma) pustulosa var. keineriana [sic] Lea

Quadrula (sec. Theliderma) pustulosa var. pernodosa (Lea, 1845)
+ Unio asperatus Lea, 1861
+ Unio asperatus Sowerby, 1868

Quadrula (sec. Theliderma) refulgens (Lea, 1868)
+ Unio pustulosus Call, 1895

Quadrula (sec. Theliderma) rumphiana (Lea, 1852)
+ Unio blandianus Lea, 1856

Quadrula (sec. Theliderma) speciosa (Lea, 1862)

Quadrula (sec. Theliderma) sphaerica (Lea, 1868)

Quadrula (sec. Theliderma) vallata (Lea, 1868)

Quadrula newenhuisi [sic] (Schepman, 1898)

Rectidens lingulatus (Drouet & Chaper, 1892)

Rectidens pahangensis (Smith, E.A., 1899)

Rectidens perakensis (Morgan, 1885)

Rectidens prolongatus (Drouet, 1894)

Rectidens sumatrensis (Dunker, 1852)

Shistodesmus [sic] lampreyanus (Baird & Adams, 1867)

Shistodesmus [sic] spinosus Simpson, 1900
+ Unio vestitus Heude, 1883

Solenaia carinata (Heude, 1877)

Solenaia emarginata (Lea, 1860)

Solenaia falcata (Higgins, 1868)

Solenaia iridinea (Heude, 1874)
+ Mycetopus similis Heude, 1877

Solenaia oleivora (Heude, 1877)
+ Micetopus [sic] recognitus Heude, 1877
+ Mycetopus caeruleus Heude, 1885
+ Mycetopus armatus Heude, 1885
+ Mycetopus arcuatus Heude, 1885
+ Mycetopus viridis Heude, 1885
+ Mycetopus succineus Heude, 1885

Solenaia rivularis (Heude, 1877)

Solenaia rugata (Sowerby, 1868)

Solenaia soleniformis (Benson, 1836)
+ Margaron (Unio) bensonii Lea, 1870
+ Mycetopus bensonianus Paetel, 1890

Solenaia triangularis (Heude, 1885)

Spatha (Aspatharia) corrugata Dautzenberg, 1893

Spatha (Aspatharia) vignoniana [sic] (Bernardi, 1858)
+ Anodonta rugifera Dunker, 1858
+ Anodonta vignonana Musgrave, 1863

Spatha (Moncetia) anceyi Bourguignat, 1885
+ Moncetia jouberti Bourguignat, 1886

Spatha (Moncetia) lavigerina [sic] Bourguignat, 1886
+ Moncetia bridouxi Bourguignat, 1886

Spatha (Moncetia) monieti [sic] Bourguignat, 1886
+ Moncetia rochebruniana Bourguignat, 1886

Spatha (s.s.) adansoni Jousseaume, 1886

Spatha (s.s.) arcuata [sic] (Cailliaud, 1823)

Spatha (s.s.) chaiziana (Rang, 1835)

Spatha (s.s.) complanata (Jousseaume, 1886)

Spatha (s.s.) cryptoradiata Putzeys, 1898

Spatha (s.s.) dahomeyensis (Lea, 1859)
+ Anodonta senegalensis Lea, 1859
+ Mutelina senegalica Jousseaume, 1886

Spatha (s.s.) divaricata von Martens, 1897

Spatha (s.s.) droueti Chaper, 1885

Spatha (s.s.) kirki Ancey, 1894

Spatha (s.s.) kirki var. liederi von Martens, 1897

Spatha (s.s.) lacustris Simpson, 1900
+ Spatha anceyi Ancey, 1894

Spatha (s.s.) lepsii Jickeli, 1874

Spatha (s.s.) mabillei Jousseaume, 1886

Spatha (s.s.) marnoi Jickeli, 1874

Spatha (s.s.) martensi Sturany in Baumann, 1894

Spatha (s.s.) nyassaensis Lea, 1864
+ Spathella nyassana Bourguignat, 1889

Spatha (s.s.) petersi von Martens, 1860
+ Spatha modesta Lea, 1864

Spatha (s.s.) pfeifferiana (Bernardi, 1860)

Spatha (s.s.) rubens (Lamarck, 1819)
+ Anodon clappertoni Koenig, 1826
+ Anodonta splendens Cristofori & Jan, 1832
+ Unio (Iridina) solida Anton, 1839
+ Spatha wissmanni Martens, 1883
+ Spatha rotundata Martens, 1897

Spatha (s.s.) rubens var. cailliaudi [sic] von Martens, 1866
+ Anodonta rubens Savigny, 1827
+ Spatha bellamyi Jousseaume, 1886
+ Spatha renei Jousseaume, 1886

Spatha (s.s.) sinuata von Martens, 1883

Spatha (s.s.) stuhlmanni von Martens, 1897

Spatha (s.s.) subaequilatera von Martens, 1887
+ Spatha baumanni Sturany, 1894

Spatha (s.s.) subreniformis (Sowerby, 1867)

Spatha (s.s.) trapezia von Martens, 1897

Spatha (s.s.) trapezia var. senilis von Martens, 1897

Spatha (s.s.) tristis Jousseaume, 1886
+ Spatha rochebrunei Jousseaume, 1886

Spatha (s.s.) wahlbergi (Krauss, 1848)
+ Spatha natalensis Lea, 1864
+ Spatha hartmanni Martens, 1866
+ Anodon tabula Sowerby, 1867

Spatha (s.s.) wahlbergi var. bourguignati (Bourguignat, 1885)
+ Spathella spathuliformis Bourguignat, 1889
+ Spathella bloyeti Bourguignat, 1889
+ Spatha wahlbergi var. spatuliformis Martens, 1897

Spatha anataria Jickeli, 1874

Spatha baikii Adams, H., 1866

Spatha bourguignati (Letourneux in Bourguignat in Servain, 1890)

Spatha corneola Rochebrune, 1886

Spatha ganciniensis Rochebrune, 1886

Spatha letourneuxiana [sic] Bourguignat or Servain

Spatha locardiana Bourguignat in Servain, 1890

Spatha pangallicensis [sic] Rochebrune, 1882

Spatha pharaonum (Bourguignat in Servain, 1890)

Spatha protchi [sic] Rochebrune, 1886

Spatha rhynchoidea (Bourguignat in Servain, 1890)

Spatha rhynchonella (Bourguignat in Servain, 1890)

Spatha tawi [sic] (Rang, 1834)

Strophitus connasaugaensis (Lea, 1858)
+ Margaritana alabamensis Lea, 1861
+ Unio connasaughensis Sowerby, 1868
+ Margaritana connasaugensis Clessin, 1876

Strophitus edentulus (Say, 1829)
+ Anodon rugosus Swainson, 1822
+ Anodonta undulata Hildreth, 1828
+ Anodon areolatus Swainson, 1829
+ Anodonta marginata Ferussac, 1835
+ Anodonta ferussaciana Ferussac, 1835
+ Anodonta virgata Conrad, 1836
+ Anodonta wardiana Lea, 1838
+ Anodon unadilla De Kay, 1843
+ Anodonta tetragona Lea, 1845
+ Anodonta arkansensis Lea, 1852
+ Anodonta shaefferiana Lea, 1852
+ Anodonta showalterii Lea, 1860
+ Alasmodon rhombica J.G. Anthony, 1865
+ Anodonta shafferiana Lea, 1870
+ Anodonta salmonea Clessin, 1873
+ Anodonta shefferiana Simpson, 1900

Strophitus edentulus var. pavonius (Lea, 1838)
+ Anodon annulatus Sowerby, 1867

Strophitus elliottii (Lea, 1858)
+ Margaritana elliptica Lea, 1859

Strophitus gesnerii (Lea, 1858)
+ Margaritana gessneri Paetel, 1890

Strophitus radiata (Conrad, 1834)

Strophitus spillmanii (Lea, 1858)
+ Unio spillmannii Sowerby, 1868

Strophitus tombigbeensis (Lea, 1858)

Strophitus undulatus (Say, 1816)
+ Anodonta pensylvanica Lamarck, 1819
+ Anodon papyracea J.G. Anthony, 1865
+ Anodon quadriplicatus Sowerby, 1870

Symphynota (Lasmigona) costata (Rafinesque, 1820)
+ Alasmodonta rugosa Barnes, 1823
+ Alasmodonta hians Ferussac, 1835

Symphynota (Pterosygna [sic]) complanata (Barnes, 1823)
+ Unio gigas Swainson, 1824
+ Complanaria gigas Swainson, 1840

Symphynota (Pterosygna [sic]) complanata var. katherinae (Lea, 1838)

Symphynota (s.s.) charlottensis (Lea, 1863)

Symphynota (s.s.) compressa Lea, 1829
+ Complanaria alasmodontina Stimpson, 1851
+ Margaron (Unio) pressus Lea, 1852

Symphynota (s.s.) compressa var. plebius (Adams, C.B., 1842)

Symphynota (s.s.) decorata (Lea, 1852)
+ Unio insolidus Lea, 1872

Symphynota (s.s.) neglecta (Lea, 1843)

Symphynota (s.s.) quadrata (Lea, 1861)

Symphynota (s.s.) viridis (Conrad, 1836)
+ Unio tappanianus Lea, 1838
+ Unio hyalinus Lea, 1845
+ Unio tappianus Catlow & Reeve, 1845
+ Unio pertenuis Lea, 1863

Tetraplodon ambiguus (‘Lamarck’ Sowerby,1823)
+ Prisodon truncatus Schumacher, 1817
+ Castalia ambigua Lamarck, 1819
+ Tetraplodon pectinatus Wagner, 1827
+ Tetraplodon pectinatus Wagner, 1827
+ Castalia inflata d’Orbigny, 1835
+ Castalia turgida Hupé, 1857
+ Castalia ambigua Sowerby, 1869
+ Castalia hanleyana Sowerby, 1869
+ Castalia carolinensis Sowerby, 1869
+ Castalia cordata Strobel, 1874

Tetraplodon crosseanus (Hidalgo, 1865)

Tetraplodon ecarinatus (Mousson, 1869)

Tetraplodon multisulcatus (Húpe, 1857)
+ Castalia multicostata Sowerby, 1869

Tetraplodon ovatus (Sowerby, 1869)

Tetraplodon quadratus (Sowerby, 1869)

Tetraplodon quadrilaterum (d’Orbigny, 1835)
+ Castalia ambigua Wood, 1828
+ Castalia cordata Swainson, 1840
+ Castalia acuticosta Hupé, 1857
+ Castalia latiquadrata Sowerby, 1869
+ Castalia lateriquadrata Sowerby, 1869

Tetraplodon retusus (Húpe, 1857)
+ Castalia ambigua Sowerby, 1839

Tetraplodon schombergianus (Sowerby, 1869)

Trapezoideus exolescens (Gould, 1843)
+ Unio exolescens Hanley & Theobald, 1874

Trapezoideus foliaceus (Gould, 1843)
+ Unio peguensis Anthony, 1865

Trapezoideus foliaceus var. comptus (DeShayes & Jullien, 1874)
+ Unio fragilis Nevill, 1877

Trapezoideus misellus (Morelet, 1865)
+ Unio siamensis Lea, 1866

Trapezoideus pallegoixi (Sowerby, 1867)

Trapezoideus peninsularis (Simpson, 1900)
+ Unio sumatrensis Reeve, 1865

Trapezoideus theca (Benson, 1862)

Tritogonia conjugans (Wright, B.H., 1899)

Tritogonia tuberculata (Barnes, 1823)
+ Unio verrucosus Say, 1834
+ Unio (Theliderma) pustulata Swainson, 1840
+ Unio gigas Sowerby, 1867

Tritogonia tuberculata var. obesa Simpson, 1900

Truncilla (Dysnomia) foliata Hildreth
+ Unio flexuosus Conrad, 1835

Truncilla (Dysnomia) stewardsoni Lea

Truncilla (Pilea) biemarginata Lea

Truncilla (Pilea) capsaeformis Lea

Truncilla (Pilea) deviata Reeve

Truncilla (Pilea) florentina Lea
+ Unio turgidulus Lea, 1858
+ Unio nux Küster, 1861
+ Unio saccatus Küster, 1862
+ Unio sacculus Reeve, 1864

Truncilla (Pilea) perplexa Lea
+ Unio torulosus Conrad, 1834
+ Unio gibbosus Ferussac, 1835
+ Unio obliquus Potiez & Michaud, 1844

Truncilla (Pilea) perplexa var. cincinnatiensis Lea
+ Unio phillipsii Reeve, 1864

Truncilla (Pilea) perplexa var. rangiana Lea
+ Unio gubernaculum Reeve, 1865

Truncilla (Pilea) personata Say
+ Unio pileus Lea, 1831
+ Unio capillaris Lea, 1834

Truncilla (Pilea) propinqua Lea

Truncilla (Pilea) sampsonii Lea

Truncilla (Scalenaria) haysiana Lea
+ Unio sowerbianus Lea, 1834

Truncilla (Scalenaria) othcaloogensis Lea

Truncilla (Scalenaria) sulcata Lea
+ Unio ridibundus Say, 1829
+ Unio obliquatus Say, 1834
+ Unio gibbosus var. perobliquus Conrad, 1836
+ Unio pectitus Conrad, 1854

Truncilla (Scalenaria) sulcata var. delicata Simpson

Truncilla (s.s.) arcaeformis Lea
+ Unio nexus Say, 1831

Truncilla (s.s.) brevidens Lea
+ Unio interruptus Conrad, 1834

Truncilla (s.s.) lenior Lea
+ Unio lenis Lea, 1840

Truncilla (s.s.) metastriata Conrad

Truncilla (s.s.) modicella Lea

Truncilla (s.s.) penita Conrad
+ Unio compactus Lea, 1859

Truncilla (s.s.) triquetra Rafinesque
+ Unio triangularis Barnes, 1823
+ Unio cuneatus Swainson, 1823
+ Unio formosus Lea, 1831

Truncilla granulatus Rafinesque

Truncilla metaplata Rafinesque

Truncilla perplexa Rafinesque

Unio (sec. Canthyria) spinosus Lea, 1836

Unio (sec. Elliptio) aheneus Lea, 1843

Unio (sec. Elliptio) amabilis Lea, 1865

Unio (sec. Elliptio) angustatus Lea, 1831
+ Unio extensus Lea, 1857
+ Unio subcylindraceus Lea, 1874

Unio (sec. Elliptio) aquilus Lea, 1857

Unio (sec. Elliptio) arctatus Conrad, 1834

Unio (sec. Elliptio) arctatus var. tortivus Lea, 1840
+ Unio tetricus Lea, 1857
+ Unio purpurellus Lea, 1857
+ Unio mercerii Lea, 1862

Unio (sec. Elliptio) attenuatus Lea, 1872

Unio (sec. Elliptio) brimleyi Wright, S.H., 1897

Unio (sec. Elliptio) buckleyi Lea, 1841
+ Unio buddianus Lea, 1843
+ Unio dallii B.H. Wright, 1888

Unio (sec. Elliptio) buckleyi var. orcuttii Wright, S.H., 1888

Unio (sec. Elliptio) burkensis Lea, 1859
+ Unio dissimilis Lea, 1872

Unio (sec. Elliptio) burtchianus Wright, S.H., 1897

Unio (sec. Elliptio) buxtoni Wright, B.H., 1897

Unio (sec. Elliptio) callosus Lea, 1841

Unio (sec. Elliptio) catawbensis Lea, 1862
+ Unio wheatleyi Lea, 1857
+ Unio rostrum Lea, 1861
+ Unio oblongus Lea, 1872

Unio (sec. Elliptio) coloratus Charpentier in Küster, 1856

Unio (sec. Elliptio) complanatus (Solander) Dillwyn, 1817
+ Unio violaceus Spengler, 1793
+ Unio purpureus Say, 1817
+ Unio rarisulcata Lamarck, 1819
+ Unio coarctata Lamarck, 1819
+ Unio purpurascens Lamarck, 1819
+ Unio georgina Lamarck, 1819
+ Unio rhombula Lamarck, 1819
+ Unio carinifera Lamarck, 1819
+ Unio glabrata Lamarck, 1819
+ Unio sulcidens Lamarck, 1819
+ Unio virginiana Lamarck, 1819
+ Unio fluviatilis Green, 1827
+ Unio rigidus Wood, 1828
+ Unio raveneli Conrad, 1834
+ Unio griffithianus Lea, 1834
+ Margarita (Unio) watereensis Lea, 1836
+ Unio planilateris Conrad, 1838
+ Unio fuliginosus Lea, 1845
+ Unio rufusculus Lea, 1852
+ Unio abbevillensis Lea, 1857
+ Unio contractus Lea, 1857
+ Unio virens Lea, 1857
+ Unio savannahensis Lea, 1857
+ Unio subflavus Lea, 1857
+ Unio neusensis Lea, 1858
+ Unio exactus Lea, 1858
+ Unio roswellensis Lea, 1858
+ Unio postellii Lea, 1858
+ Unio baldwinensis Lea, 1859
+ Unio raeensis Lea, 1859
+ Unio quadratus Lea, 1859
+ Unio squameus Lea, 1861
+ Unio lugubris Küster, 1861
+ Unio weldonensis Lea, 1863
+ Unio gastonensis Lea, 1863
+ Unio aberrans Lea, 1863
+ Unio mecklenbergensis Lea, 1863
+ Unio raleighensis Lea, 1863
+ Unio mediocris Lea, 1863
+ Unio humerosus Lea, 1868
+ Unio beaverensis Lea, 1868
+ Unio neglectus Sowerby, 1868
+ Unio tortuosus Sowerby, 1868
+ Unio uhareensis Lea, 1868
+ Unio nubilus Lea, 1868
+ Unio yadkinensis Lea, 1872
+ Unio amplus Lea, 1872
+ Unio ligatus Lea, 1872
+ Unio subparallelus Lea, 1872
+ Unio irwinensis Lea, 1872
+ Unio curvatus Lea, 1872
+ Unio subsquamosus Lea, 1872
+ Unio infuscus Lea, 1872
+ Unio ratus Lea, 1872
+ Unio basalis Lea, 1872
+ Unio subolivaceus Lea, 1874
+ Unio infulgens Lea, 1874
+ Unio cirratus Lea, 1874
+ Unio corneus Lea, 1874
+ Unio invenustus Lea, 1874
+ Unio blauverenses Paetel, 1890
+ Unio (Arconaia) provancheriana Pilsbry, 1890
+ Unio indefinitus Haas, 1969

Unio (sec. Elliptio) complanatus var. jejunus (Solander) Dillwyn, 1817
+ Unio percoarctatus Lea, 1857
+ Unio jejunus Sowerby, 1868

Unio (sec. Elliptio) complanatus var. quadrilaterus Lea, 1863
+ Unio squalidus Lea, 1863

Unio (sec. Elliptio) confertus Lea, 1834
+ Unio lugubris Lea, 1838
+ Unio geddingsianus Lea, 1840
+ Unio limatulus Conrad, 1849
+ Unio whiteianus Lea, 1852
+ Unio vibex Conrad, 1853
+ Unio similis Lea, 1857
+ Unio protensus Lea, 1865
+ Unio radiolus Lea, 1871

Unio (sec. Elliptio) congaraeus Lea, 1831
+ Unio fulvus Lea, 1834
+ Unio congaraeus Conrad, 1836

Unio (sec. Elliptio) corium Reeve, 1864

Unio (sec. Elliptio) coruscus Gould, 1856

Unio (sec. Elliptio) coruscus var. fryanus Wright, B.H., 1888
+ Unio diazensis S.H. Wright, 1897

Unio (sec. Elliptio) crassidens Lamarck, 1819
+ Unio (Elliptio) nigra Rafinesque, 1820
+ Unio cuneatus Barnes, 1823
+ Unio niger Conrad, 1836
+ Unio discus Sowerby, 1868

Unio (sec. Elliptio) crocodilarum [sic] Morelet, 1849
+ Unio pliciferus Reeve, 1864
+ Unio rusticus Sowerby, 1868

Unio (sec. Elliptio) cunninghami Wright, B.H., 1883

Unio (sec. Elliptio) danielsii Wright, B.H., 1899

Unio (sec. Elliptio) dariensis Lea, 1842

Unio (sec. Elliptio) differtus Lea, 1872

Unio (sec. Elliptio) discus Lea, 1838
+ Unio panacoensis Philippi, 1843
+ Unio mexicanus Sowerby, 1867

Unio (sec. Elliptio) dispalans Wright, B.H., 1899

Unio (sec. Elliptio) dorei Wright, B.H., 1888

Unio (sec. Elliptio) dorsatus Lea, 1868

Unio (sec. Elliptio) downiei Lea, 1858
+ Unio downei Sowerby, 1868

Unio (sec. Elliptio) duttonianus Lea, 1841

Unio (sec. Elliptio) emmonsii Lea, 1857

Unio (sec. Elliptio) errans Lea, 1856
+ Margarita (Unio) paliatus Lea, 1836
+ Unio vicinus Lea, 1856
+ Unio palliatus Ravenel, 1875

Unio (sec. Elliptio) ferrissii Marsh, 1891

Unio (sec. Elliptio) fisherianus Lea, 1838
+ Unio nasutus Conrad, 1838
+ Unio fisherianus Küster, 1861

Unio (sec. Elliptio) folliculatus Lea, 1838
+ Unio exacutus Lea, 1872
+ Unio rostellum Lea, 1872

Unio (sec. Elliptio) forbesianus Lea, 1853
+ Unio moussonianus Lea, 1852
+ Unio corvus Lea, 1859
+ Unio vestitus Lea, 1861

Unio (sec. Elliptio) fraternus Lea, 1852

Unio (sec. Elliptio) fuscatus Lea, 1841
+ Unio fuscatus Reeve, 1865

Unio (sec. Elliptio) geminus Lea, 1856
+ Unio satillaensis Lea, 1858

Unio (sec. Elliptio) gibbosus Barnes, 1823
+ Unio nasuta Lamarck, 1819
+ Unio mucronatus Barnes, 1823
+ Unio dilatatus Say, 1834
+ Unio torulosus Ferussac, 1835
+ Unio arctatus Ferussac, 1835
+ Unio arctior Lea, 1838

Unio (sec. Elliptio) gibbosus var. arcus Conrad, 1834

Unio (sec. Elliptio) gibbosus var. armathwaitensis Wright, B.H., 1898

Unio (sec. Elliptio) gibbosus var. delicatus Simpson, 1900

Unio (sec. Elliptio) gibbosus var. subgibbosus Lea, 1857
+ Unio rufus Lea, 1857
+ Unio lazarus Sowerby, 1868

Unio (sec. Elliptio) hartwrighti Wright, B.H., 1896

Unio (sec. Elliptio) hazelhurstianus [sic] Lea, 1858
+ Unio haslehurstianus Sowerby, 1866

Unio (sec. Elliptio) hinkleyi Wright, B.H., 1888

Unio (sec. Elliptio) hopetonensis Lea, 1838
+ Unio hopetownensis Sowerby, 1868

Unio (sec. Elliptio) icterinus Conrad, 1834
+ Unio fuliginosus Lea, 1845
+ Unio cuvierianus Lea, 1852
+ Unio curatus Lea, 1863
+ Unio datus Lea, 1868
+ Unio cuspidatus Lea, 1872
+ Unio zatus Paetel, 1890

Unio (sec. Elliptio) iheringi Wright, B.H., 1898

Unio (sec. Elliptio) incrassatus Lea, 1840

Unio (sec. Elliptio) insulsus Lea, 1857
+ Unio lucidus Lea, 1863
+ Unio cistellaeformis Lea, 1863

Unio (sec. Elliptio) inusitatis Lea, 1859
+ Unio insitatus B.H. Wright, 1888

Unio (sec. Elliptio) jayensis Lea, 1838
+ Unio prasinatus Conrad, 1866
+ Unio jayensis var. aequillus Sowerby, 1868
+ Margaron (Unio) jayanus Lea, 1870
+ Unio simpsoni B.H. Wright, 1888
+ Unio marshii B.H. Wright, 1888
+ Unio tryoni B.H. Wright, 1888

Unio (sec. Elliptio) lanceolatus Lea, 1828

Unio (sec. Elliptio) lazarus Lea, 1853

Unio (sec. Elliptio) lecontianus Lea, 1838
+ Unio contrarius Conrad, 1849

Unio (sec. Elliptio) lehmanii Wright, S.H., 1897

Unio (sec. Elliptio) liebmanni Philippi, 1847

Unio (sec. Elliptio) livingstonensis Lea, 1863

Unio (sec. Elliptio) luridus Lea, 1852

Unio (sec. Elliptio) masoni Conrad, 1834

Unio (sec. Elliptio) merus Lea, 1852
+ Unio castus Lea, 1860

Unio (sec. Elliptio) mexicanus Philippi, 1847

Unio (sec. Elliptio) micans Lea, 1857
+ Unio perlucens Lea, 1863

Unio (sec. Elliptio) mitchelli Simpson in Dall, 1896

Unio (sec. Elliptio) monroensis Lea, 1843

Unio (sec. Elliptio) morini Morelet, 1851

Unio (sec. Elliptio) nasutulus Lea, 1863
+ Unio nasutidus Lea, 1863

Unio (sec. Elliptio) naviculoides Lea, 1857

Unio (sec. Elliptio) nigellus Lea, 1853
+ Unio denigratus Lea, 1857

Unio (sec. Elliptio) oblatus Lea, 1863
+ Unio ablatus Lea, 1863

Unio (sec. Elliptio) obnubilus Lea, 1857
+ Unio opacus Lea, 1857
+ Unio aequatus Lea, 1857
+ Unio viridicatus Lea, 1857
+ Unio hepaticus Lea, 1859
+ Unio santeensis Lea, 1871
+ Unio nolani B.H. Wright, 1888

Unio (sec. Elliptio) occultus Lea, 1841

Unio (sec. Elliptio) ocmulgeensis Lea, 1861

Unio (sec. Elliptio) opacatus Crosse & Fischer, 1893

Unio (sec. Elliptio) oscari Wright, B.H., 1892

Unio (sec. Elliptio) perstriatus Lea, 1852
+ Unio gracilentus Lea, 1857
+ Unio perlatus Lea, 1863

Unio (sec. Elliptio) pigerrimus Crosse & Fischer, 1893

Unio (sec. Elliptio) pinei Wright, B.H., 1897

Unio (sec. Elliptio) plantii Lea, 1857

Unio (sec. Elliptio) plexus Conrad, 1838
+ Unio carbonarius Lea, 1838
+ Unio pliciferus Lea, 1838

Unio (sec. Elliptio) poeyanus Lea, 1857

Unio (sec. Elliptio) polymorphus Wright, B.H., 1899

Unio (sec. Elliptio) popeii Lea, 1857

Unio (sec. Elliptio) productus Conrad, 1834
+ Unio barrotti Küster, 1861

Unio (sec. Elliptio) psoricus Morelet, 1851

Unio (sec. Elliptio) purus Lea, 1858

Unio (sec. Elliptio) pusillus Lea, 1840
+ Unio buxeus Lea, 1852
+ Unio anthonyi Lea, 1861

Unio (sec. Elliptio) pygmaeus Lea, 1852

Unio (sec. Elliptio) roanokensis Lea, 1838
+ Unio roanoakensis Hanley, 1843
+ Unio macer Lea, 1857
+ Unio latus Lea, 1859

Unio (sec. Elliptio) roanokensis var. northamptonensis Lea, 1862

Unio (sec. Elliptio) rostraeformis Lea, 1856
+ Unio rostriformis Lea, 1856
+ Unio maconensis Lea, 1857

Unio (sec. Elliptio) sagittiformis Lea, 1852

Unio (sec. Elliptio) semigranosus von dem Busch in Philippi, 1845

Unio (sec. Elliptio) shepardianus Lea, 1834
+ Unio sheppardianus Catlow & Reeve, 1845

Unio (sec. Elliptio) sloatianus Lea, 1840
+ Unio atromarginatus Lea, 1840
+ Unio aratus Conrad, 1849
+ Unio plectophorus Conrad, 1849

Unio (sec. Elliptio) sordidus Lea, 1852
+ Unio gibbesianus Lea, 1852

Unio (sec. Elliptio) spadiceus Lea, 1857

Unio (sec. Elliptio) sphenorhynchus Crosse & Fischer, 1893

Unio (sec. Elliptio) spissus Lea, 1859

Unio (sec. Elliptio) stonensis Lea, 1840

Unio (sec. Elliptio) striatulus Lea, 1857

Unio (sec. Elliptio) strigosus Lea, 1840

Unio (sec. Elliptio) strumosus Lea, 1872

Unio (sec. Elliptio) subinflatus Conrad, 1835

Unio (sec. Elliptio) subniger Lea, 1857

Unio (sec. Elliptio) subplanus Conrad, 1834

Unio (sec. Elliptio) testudineus Morelet, 1849
+ Unio semigranosus Reeve, 1864

Unio (sec. Elliptio) tuomeyi Lea, 1852
+ Unio barrattii Lea, 1852
+ Unio pullatus Lea, 1856
+ Unio sublatus Lea, 1857
+ Unio fumatus Lea, 1857
+ Unio viridiradiatus Lea, 1859
+ Unio viridans Lea, 1859
+ Unio hallenbeckii Lea, 1859
+ Unio salebrosus Lea, 1859
+ Unio verutus Lea, 1859
+ Unio chathamensis Lea, 1863
+ Unio hastatus Lea, 1874
+ Unio dooleyensis Lea, 1874
+ Unio gesnerii Lea, 1874
+ Unio barrotti Paetel, 1890

Unio (sec. Elliptio) verae-pacis Tristram, 1863

Unio (sec. Elliptio) viridulus Lea, 1863

Unio (sec. Elliptio) waccamawensis Lea, 1863

Unio (sec. Elliptio) waltoni Wright, B.H., 1888

Unio (sec. Elliptio) websteri Wright, B.H., 1888

Unio (sec. Lapidosus) lapidosus Kobelt, 1893

Unio (sec. Lymnium) batavus (Maton & Rackett, 1807)
+ Mya pictorum Gmelin, 1791
+ Unio pictorum Draparnaud, 1806
+ Unio riparia Pfeiffer, 1821
+ Unio ater Nilsson, 1822
+ Unio crassus Nilsson, 1822
+ Unio rugatus Menke, 1828
+ Unio elongata Michaud, 1831
+ Unio badius Kokeil, 1831
+ Unio labacensis Rossmässler, 1835
+ Unio decurvatus Rossmässler, 1835
+ Unio reniformis Rossmässler, 1836
+ Unio carinthiacus Rossmässler, 1836
+ Unio amnicus Rossmässler, 1836
+ Unio piscinalis Rossmässler, 1836
+ Unio atrovirens Rossmässler, 1836
+ Unio consentaneus Rossmässler, 1836
+ Unio fusculus Rossmässler, 1836
+ Unio bandini Küster, 1837
+ Unio glaucinus Porro, 1838
+ Unio gargottae Rossmässler, 1838
+ Unio corrugata Mauduyt, 1839
+ Unio rotundatus Mauduyt, 1839
+ Unio gangrenosus J.F. Schmidt, 1840
+ Unio pruinosus J.F. Schmidt, 1840
+ Unio littoralis var. minor Rossmässler, 1842
+ Unio manca Millet, 1843
+ Unio moquinianus Dupuy, 1843
+ Unio requieni Rossmässler, 1844
+ Unio sandrii Rossmässler, 1844
+ Unio aleronii Companyo & Massot, 1845
+ Unio wolwichii Morelet, 1845
+ Unio glaucinus Stabile, 1845
+ Unio jacqueminii Dupuy, 1849
+ Unio drouetii Dupuy, 1849
+ Unio philippii Dupuy, 1849
+ Unio spinellii Spinelli, 1851
+ Unio moulinsianus Dupuy, 1851
+ Unio nanus Dupuy, 1852
+ Unio ovalis Dupuy, 1852
+ Unio petterianus Küster, 1854
+ Unio heldii Küster, 1854
+ Unio luxurians Küster, 1854
+ Unio brevirostris Küster, 1854
+ Unio capigliolo Küster, 1855
+ Unio natolicus Küster, 1856
+ Unio turcicus Küster, 1862
+ Unio batavus Bourguignat, 1864
+ Unio merdiger Reeve, 1865
+ Unio stevenianus Drouët, 1881

Unio (sec. Lymnium) bythinicus [sic] Kobelt, 1893

Unio (sec. Lymnium) carneus Küster, 1854
+ Unio gontierii Bourguignat, 1857
+ Unio penchinatianus Bourguignat, 1865

Unio (sec. Lymnium) delesserti Bourguignat, 1852

Unio (sec. Lymnium) delicatus Lea, 1863

Unio (sec. Lymnium) durieui DeShayes, 1847
+ Unio sitifensis Morelet, 1851
+ Unio orientalis Bourguignat, 1852
+ Unio bruguierianus Bourguignat, 1853
+ Unio vescoi Bourguignat, 1856
+ Unio schwerzenbachi Bourguignat, 1856
+ Unio prusii Bourguignat, 1856
+ Unio damascensis Lea, 1863
+ Unio orontesensis Lea, 1863
+ Unio orphaensis Lea, 1865
+ Unio mardinensis Lea, 1865

Unio (sec. Lymnium) durieui var. kullethensis Lea, 1865
+ Unio kallethensis Paetel, 1890
+ Unio kullenthenensis Paetel, 1890

Unio (sec. Lymnium) ellipsoideus Locard, 1883
+ Unio genezarethanus Locard, 1883
+ Unio jauberti Locard, 1883
+ Unio zabulonicus Kobelt, 1893
+ Unio kobelti Kobelt & Rolle, 1895
+ Unio pietri Kobelt, 1895
+ Unio herodes Kobelt & Rolle, 1895
+ Unio lorteti Kobelt, 1895

Unio (sec. Lymnium) elongatulus Pfeiffer, 1825
+ Unio elongatulus Rossmässler, 1835

Unio (sec. Lymnium) emarginatus Lea, 1834

Unio (sec. Lymnium) episcopalis Tristram, 1865

Unio (sec. Lymnium) eucirrus Bourguignat, 1860

Unio (sec. Lymnium) ferussacianus Lea, 1868

Unio (sec. Lymnium) grelloisianus Bourguignat, 1856
+ Unio lunulifer Bourguignat, 1856
+ Unio jordanicus Bourguignat, 1856

Unio (sec. Lymnium) homsensis (Lea, 1864)

Unio (sec. Lymnium) hueti (Bourguignat, 1855)

Unio (sec. Lymnium) littoralis Lamarck, 1801
+ Unio granosus Schumacher, 1817
+ Unio brevialis Lamarck, 1819
+ Unio nana Lamarck, 1819
+ Unio litoralis Menke, 1828
+ Unio rubens Menke, 1830
+ Unio subtetragonus Michaud, 1831
+ Unio incurvus Lea, 1831
+ Unio draparnaldii Deshayes, 1831
+ Unio pianensis Boubée, 1833
+ Unio barraudii Bonhomme, 1840
+ Unio littoralis var. minor Rossmässler, 1842
+ Unio bigerrensis Millet, 1843
+ Unio litoralis var. umbonatus Rossmässler, 1844
+ Unio fellmanni Deshayes, 1847
+ Unio astierianus Dupuy, 1849
+ Unio cuneatus Rossmässler, 1854
+ Unio rhomboideus Moquin-Tandon, 1855
+ Unio rothi Bourguignat, 1863
+ Unio subreniformis Bourguignat, 1863
+ Unio ater Reeve, 1865
+ Unio crassus Reeve, 1865
+ Unio valentianus Sowerby, 1866
+ Unio mauritanicus Bourguignat, 1868
+ Unio astieranus Sowerby, 1868
+ Unio ksibianus Mousson, 1873
+ Unio littoralis var. acarnanicus Kobelt, 1879
+ Unio bigorriensis Locard, 1882
+ Unio jolyi Kobelt, 1886
+ Unio maccarthyanus Kobelt, 1886
+ Unio letourneuxi Kobelt, 1886
+ Unio littoralis var. pianensis Kobelt, 1888
+ Unio lycicus Kobelt & Rolle, 1895

Unio (sec. Lymnium) micelii Kobelt, 1886

Unio (sec. Lymnium) mussolianus (Küster, 1861)
+ Unio bourguignatianus Lea, 1863
+ Unio rasus Lea, 1863
+ Unio mosulensis Lea, 1863
+ Unio mossulensis Kobelt, 1886

Unio (sec. Lymnium) pictorum (Linnaeus, 1758)
+ Mya ovalis Retzius, 1788
+ Mya nodosa Gmelin, 1791
+ Unio conus Spengler, 1793
+ Mya nodulosa Wood, 1815
+ Unio rostrata Lamarck, 1819
+ Unio nodulosa Lamarck, 1819
+ Unio manca Lamarck, 1819
+ Unio limosus Nilsson, 1822
+ Unio deshayesii Michaud, 1831
+ Unio dubius Fitzinger, 1833
+ Unio michaudiana Des Moulins, 1833
+ Unio longirostris Rossmässler, 1836
+ Potomida sicula Swainson, 1840
+ Unio aradae Philippi, 1844
+ Unio dactylus Morelet, 1845
+ Unio mucidus Morelet, 1845
+ Unio quinqueannulatus Küster, 1854
+ Unio pallens Küster, 1854
+ Unio viridiflavus Küster, 1854
+ Unio petrovichii Küster, 1854
+ Unio maltzani Küster, 1854
+ Unio siculus Hanley, 1856
+ Unio baletonicus Küster, 1861
+ Unio proechus Bourguignat, 1862
+ Unio actephilus Bourguignat, 1862
+ Unio lawleyianus Gentiluomo, 1868

Unio (sec. Lymnium) pietri Locard in Lortet, 1880
+ Unio lorteti Locard, 1883
+ Unio tristrami Locard, 1883
+ Unio tiberiadensis Locard, 1883
+ Unio prosacrus Locard, 1883
+ Unio axiacus Locard, 1883
+ Unio subtigridis Locard, 1883
+ Unio anemprosthus Locard, 1883
+ Unio chantrei Locard, 1883
+ Unio petroi Paetel, 1890

Unio (sec. Lymnium) platyrhynchus (Rossmaessler, 1835)
+ Unio fiscallianus Kobelt, 1873
+ Unio limosus Kobelt, 1893

Unio (sec. Lymnium) platyrinchoideus (Dupuy, 1849)
+ Unio danielis Gassies, 1867
+ Unio platyrrhinchoideus Sowerby, 1868
+ Unio larderelianus Pecchioli, 1869

Unio (sec. Lymnium) pseudonymus Simpson, 1900
+ Unio hueti Kobelt, 1886

Unio (sec. Lymnium) ravoisieri DeShayes, 1848
+ Unio moreleti Deshayes, 1847
+ Unio maccarthyanus Bourguignat, 1866

Unio (sec. Lymnium) semirugatus Lamarck, 1819
+ Unio emesaensis Lea, 1865
+ Unio simonis Tristram, 1865
+ Unio luynesi Locard, 1883
+ Unio galilaei Locard, 1883
+ Unio timius Locard, 1883
+ Unio rhomboidopsis Locard, 1883
+ Unio rollei Kobelt & Rolle, 1895
+ Unio tracheae Kobelt & Rolle, 1895
+ Unio wagneri Kobelt & Rolle, 1895
+ Unio simonis Kobelt & Rolle, 1895

Unio (sec. Lymnium) syriacus Lea, 1863

Unio (sec. Lymnium) terminalis Bourguignat, 1852

Unio (sec. Lymnium) tigridis Bourguignat, 1852
+ Unio truncatus Swainson, 1823
+ Unio dignatus Lea, 1863
+ Margaron (Unio) tigris Lea, 1870
+ Unio kisonis Kobelt & Rolle, 1895

Unio (sec. Lymnium) tumidus Retzius, 1788
+ Mya depressa Donovan, 1801
+ Mya ovata Donovan, 1802
+ Mya ovalis Montagu, 1803
+ Mysca solida Turton, 1822
+ Unio muelleri Rossmässler, 1838
+ Unio pictorum Brown, 1844

Unio (sec. Lymnium) turtoni Payraudeau, 1826
+ Unio pictorum Guérin-Méneville, 1823
+ Unio capigliolo Payraudeau, 1826
+ Unio requienii Michaud, 1831
+ Unio lobata Philippi, 1836
+ Unio bandinii Rossmässler, 1837
+ Unio pallens Rossmässler, 1842
+ Unio ardusianus Reyniès, 1843
+ Unio hispanus Rossmässler, 1844
+ Unio aleronii Companyo & Massot, 1845
+ Unio rousii Dupuy, 1849
+ Unio requieni Gassies, 1849
+ Unio valentinus Rossmässler, 1854
+ Unio letourneuxi Bourguignat, 1864
+ Unio graellsianus Bourguignat, 1865
+ Unio courquinianus Bourguignat, 1865
+ Unio siculus Sowerby, 1868
+ Unio ravoisieri var. isserica Kobelt, 1884
+ Unio alexandri Kobelt & Rolle, 1895

Unio (sec. Lymnium) zabulonicus Locard, 1883
+ Unio antiochianus Locard, 1883

Unio (sec. Micronaias) aratus Lea, 1843

Unio (sec. Micronaias) granadensis Lea, 1868

Unio (sec. Uniomerus) bissellianus [sic] Lea, 1867

Unio (sec. Uniomerus) columbensis Lea, 1857
+ Unio columbiensis B.H. Wright, 1888

Unio (sec. Uniomerus) obesus Lea, 1831
+ Unio caroliniana Bosc, 1801
+ Unio declivis Conrad, 1836
+ Unio ineptus Lea, 1852
+ Unio hebes Lea, 1852
+ Unio rivularis Conrad, 1853
+ Unio cicur Lea, 1861
+ Unio squalidus Lea, 1863
+ Unio jewettii Lea, 1867
+ Unio pawensis Lea, 1868
+ Unio rivicolus Conrad, 1868

Unio (sec. Uniomerus) obesus var. blandingianus Lea, 1834

Unio (sec. Uniomerus) obesus var. paludicolus Gould, 1845
+ Unio paludicolor Conrad, 1853

Unio (sec. Uniomerus) subluridus Simpson, 1892

Unio (sec. Uniomerus) tetralasmus Say, 1830
+ Unio excultus Conrad, 1838
+ Unio parallelus Conrad, 1841
+ Unio symmetricus Lea, 1845
+ Unio porrectus Conrad, 1854
+ Unio subcroceus Conrad, 1854
+ Unio jamesianus Lea, 1857

Unio (sec. Uniomerus) tetralasmus var. camptodon Say, 1832
+ Unio geometricus Lea, 1834
+ Unio camptodon Stearns, 1891

Unio (sec. Uniomerus) tetralasmus var. declivis Say, 1832
+ Margaron (Unio) declivis Lea, 1852

Unio (sec. Uniomerus) tetralasmus var. manubius Gould, 1855
+ Unio manubrius Paetel, 1890

Unio (sec. Uniomerus) tetralasmus var. sayi Ward in Tappan, 1839
+ Unio sayanus Conrad, 1838
+ Unio electrinus Reeve, 1865

Unio angusta Lamarck, 1819

Unio delphinus Spengler, 1793

Unio distortus Bean, 1836

Unio doumeti Letourneux & Bourguignat, 1887

Unio iridescens Conrad, 1838

Unio musivus Spengler, 1793

Unio obovata (Solander, Portland Cat. p. 100)

Unio pequottianus [sic] Lindsley, 1845

Unio plombarius Villa, 1841

Unio radula Say, 1829

Unio tahetianus [sic] Catlow & Reeve, 1845

Virgus beccarianus (Tapparone Canefri, 1883)

Virgus mattirolii (Tapparone Canefri, 1883)

Virgus misoolensis (Schepman, 1897)

Page updated: 16:36:14 Wed 06 Mar 2024

 
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