Margarita Lea, 1836
Lea, 1836, Synopsis Fam. Naiades: 10.
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 118.
Lea, 1838, Synopsis Fam. Naiades: 13.
(homonym of Leach, 1814 [Pteriidae]; renamed Margaron Lea, 1852)
Type species: Mya pictorum Linnaeus, 1758 (herein) = Unio pictorum

Platiris Lea, 1838
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 118, 141.
Lea, 1838, Synopsis Fam. Naiades: 10, 33.
Lea, 1852, Synopsis Fam. Naiades: 54.
(renamed Platyiris Agassiz, 1846)
Type species: Iridina exotica Lamarck, 1819 (sub. desig. by Pilsbry & Bequaert, 1927: 439) = Mutela dubia

Spatha Lea, 1838
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 118, 141.
Lea, 1838, Synopsis Fam. Naiades: 10, 33.
Lea, 1852, Synopsis Fam. Naiades: 55.
Type species: Iridina nilotica Cailliaud, 1823 (monotypy) = Mutela dubia

Anodonta trapezialis Blainville, 1825
‘Lamarck’ of Authors.
Blainville, 1825, Manuel Malacol. et Conch.: 538.
Bory de St. Vincent, 1827, Encycl. Méth. 2: 147.
Menke, 1828, Syn. Method. Moll.: 63.
Menke, 1830, Syn. Method. Moll.: 106.
Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 93.
d’Orbigny, 1835, Mag. Zool. 5(61-62): 43.
Lea, 1836, Synopsis Fam. Naiades: 53.
Lea, 1838, Synopsis Fam. Naiades: 31.
Swainson, 1840, Treat. Malacol.: 287.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 220.
d’Orbigny, 1846, Voyage dans l’Amérique Méridionale 5: 596.
Lea, 1852, Synopsis Fam. Naiades: 52.
Hupé, 1857, [in] Castelnau, Anim. Nouv. Rares d’Amer. Sud: 85.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 504.
Lea, 1870, Synopsis Fam. Naiades: 82.
Ihering, 1893, Arch. Naturg. 59(1): 135.
Corsi, 1900, Anais Mus. Nac. Montevideo 2: 456.
Marshall, 1915, Proc. U.S. Nat. Mus. 49(2122): 529.
Haas, 1929, Senckenbergiana 11: 340.
H.B. Baker, 1930, Occ. Pap. Mus. Zool. Univ. Mich. (210): 70.
Morretes, 1949, Arqu. Mus. Paranaense 7: 27.
(error for Anodonta trapesialis Lamarck, 1819)

Unio litoralis Menke, 1828
‘Lamarck’ of Authors.
Menke, 1828, Syn. Method. Moll.: 64.
Menke, 1830, Syn. Method. Moll.: 107.
Lea, 1836, Synopsis Fam. Naiades: 32.
Lea, 1838, Synopsis Fam. Naiades: 22.
Swainson, 1840, Treat. Malacol.: 282.
Lea, 1852, Synopsis Fam. Naiades: 34.
Rossmässler, 1854, Icon. Land- und Süssw.-Moll. 3 (1-2): 37.
Küster, 1855, Conchyl. Cab. 9(2): 128.
Reeve, 1865, Conch. Icon. 16: pl. 22, sp. 98.
Sowerby, 1868, Conch. Icon. 16: pl. 86, sp. 461.
Lea, 1870, Synopsis Fam. Naiades: 54.
Woodward, 1871, Man. Moll: 433.
Westerlund, 1890, Fauna Paläarct. Binnenconch. 2(7): 52.
(error for Unio littoralis Cuvier, 1798)

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)

Unio egyptiaca Deshayes, 1832
‘Cailliaud’ of Authors.
Deshayes, 1832, Enc. Méth. 2 (Deuxième partie): 587.
Jay, 1836, Cat. Rec. Shells: 20 [as ‘egyptiacus’].
Lea, 1836, Synopsis Fam. Naiades: 29.
Lea, 1838, Synopsis Fam. Naiades: 21 [as ‘egyptiacus’].
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 198 [as ‘egyptiacus’].
Lea, 1852, Synopsis Fam. Naiades: 32 [as ‘Margaron (Unio) egyptiacus’].
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 267 [as ‘egyptiacus’].
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 494 [as ‘egyptiacus’].
Lea, 1870, Synopsis Fam. Naiades: 50.
Haas, 1940, Zool. Ser. Field Mus. Nat. Hist. 24: 140 [as ‘Caelatura egyptiaca’].
Araujo et al., 2017, Zool. J. Linn. Soc. 179(2): 280.
(error for Unio aegyptiacus Cailliaud, 1827)

Unio limagnae Jay, 1835
‘Bouillet’ of Authors.
Jay, 1835, Cat. Rec. Shells: 16 [as ‘limagnæ’].
Lea, 1836, Synopsis Fam. Naiades: 36 [as ‘limagnæ’].
Lea, 1838, Synopsis Fam. Naiades: 24 [as ‘limagnæ’].
(error for Unio limaniae Dupuy, 1852)

Unio elongatus Lea, 1836
‘Pfeiffer’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 37.
Lea, 1838, Synopsis Fam. Naiades: 24.
Lea, 1852, Synopsis Fam. Naiades: 37.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 491.
Haas, 1952, Nautilus 65(4): 118.
Bogan, 1993, Amer. Zool. 33: 602.
(error for Unio elongatula C. Pfeiffer, 1825)

Unio coeruleus Lea, 1836
‘Lea’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 26.
Lea, 1838, Synopsis Fam. Naiades: 20.
Lea, 1852, Synopsis Fam. Naiades: 30 [as ‘cœruleus’].
Küster, 1861, Conchyl. Cab. 9(2): 228.
Connolly, 1925, Rec. Albany Mus. 3: [5].
(error for Unio caeruleus Lea, 1831)

Margarita (Unio) modestus Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 32. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 22. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 33. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 54. [nomen nudum]

Unio carynthiacus Lea, 1836
‘Zeigler’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 27.
Schlüter, 1838, Kurzgef. Syst. Verz. Conch. Samml.: 33.
Lea, 1838, Synopsis Fam. Naiades: 20.
J.F. Schmidt, 1840, Bull. Soc. imp. Nat. Moscou 13: 435.
C.B. Adams, 1847, Cat. Gen. Sp. Adams: 14.
Lea, 1852, Synopsis Fam. Naiades: 30.
Lea, 1870, Synopsis Fam. Naiades: 47.
Schröder, 1885, Bull. Soc. Malac. France 2: 229.
Servain, 1888, Bull. Soc. Malac. France 5: 317.
Locard, 1889, Contr. Faune Malacol. Franc. 13: 141 [35].
Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 264.
Germain, 1931, Faune de France 22: 728.
(error for Unio carinthiacus Rossmässler, 1836)

Unio orientalis Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 26. [nomen nudum]
‘Fer,’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer,’ Lea, 1870, Synopsis Fam. Naiades: 63. [nomen nudum]

Unio nitidens Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 26. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 63. [nomen nudum]

Unio preciosus Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 26. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 64. [nomen nudum]

Unio pulchellus Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 41. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 26.
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 64. [nomen nudum]

Mya regulosa Lea, 1836
‘Wood’ Lea, 1836, Synopsis Fam. Naiades: 44.
‘Wood’ Lea, 1838, Synopsis Fam. Naiades: 27.
‘Wood’ Lea, 1852, Synopsis Fam. Naiades: 42.
‘Wood’ Lea, 1870, Synopsis Fam. Naiades: 67.
(error for Unio rugulosus Wood, 1828)

Margarita (Unio) crassissimus Lea, 1836
‘Ferussac’ Lea, 1836, Synopsis Fam. Naiades: 40.
‘Fer. Des Moul. Grat.’ Lea, 1838, Synopsis Fam. Naiades: 26.
(reference to Unio crassissima Férussac, 1827)

Unio rivalis Lea, 1836
‘Zeig.’ Lea, 1836, Synopsis Fam. Naiades: 46.
‘Zeig.’ Lea, 1838, Synopsis Fam. Naiades: 28.
(intro'd as syn of Mya margaritifera Linnaeus, 1758)

Alasmodonta incurva Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 46. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 28. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 44. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 70. [nomen nudum]

Alasmodonta truncata Lea, 1836
‘Say, in lit.’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 44.
Lea, 1838, Synopsis Fam. Naiades: 27.
Agassiz, 1852, Arch. Naturg. 18(1): 46.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 262.
(intro'd as syn of Alasmidonta marginata Say, 1818)

Margarita (Unio) paliatus Lea, 1836
“Ravenel’s letter” Lea, 1836, Synopsis Fam. Naiades: 31. [nomen nudum]
Lea, 1838, Synopsis Fam. Naiades: 22. [nomen nudum]
Lea, 1852, Synopsis Fam. Naiades: 33. [nomen nudum]
‘Ravenel’s Letter’ Lea, 1870, Synopsis Fam. Naiades: 53. [nomen nudum]
Type(s): NOMEN NUDUM USNM_85658, Santee Canal, S.C.

Anodonta folium Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 54. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 32. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 53. [nomen nudum]

Anodonta chinensis Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 54. [nomen nudum]
Lea, 1838, Synopsis Fam. Naiades: 32. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 53. [nomen nudum]

Anodonta curvata Lea, 1836
‘Ferussac’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 54. [nomen nudum]
Lea, 1838, Synopsis Fam. Naiades: 32. [nomen nudum]
Jay, 1839, Cat. Rec. Shells: 27. [nomen nudum]
Lea, 1852, Synopsis Fam. Naiades: 53. [nomen nudum]

Anodonta inflata Lea, 1836
‘Major Le Conte’s Cabinet’ Lea, 1836, Synopsis Fam. Naiades: 52. [nomen nudum]
‘Major Le Conte’s Cabinet’ Lea, 1838, Synopsis Fam. Naiades: 31. [nomen nudum]
‘Major Le Conte’s Cabinet’ Lea, 1852, Synopsis Fam. Naiades: 51. [nomen nudum]

Margarita (Unio) tenerus Lea, 1836
‘Ravenel’ Lea, 1836, Synopsis Fam. Naiades: 39.
‘Rav.’ Lea, 1838, Synopsis Fam. Naiades: 25.
‘Rav.’ Lea, 1852, Synopsis Fam. Naiades: 39.
‘Rav. Han.’ Lea, 1870, Synopsis Fam. Naiades: 44.
(reference to Unio tenerus Simpson, 1892)

Margarita (Unio) cailliaudii Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: . [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 24. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 36. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 58.

Unio pumilis Lea, 1836
‘Lea’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 20.
Lea, 1838, Synopsis Fam. Naiades: 17.
Lea, 1852, Synopsis Fam. Naiades: 24.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 255.
(error for Unio pumilus Lea, 1838)

Unio auratus Lea, 1838
‘Swainson’ of Authors.
Lea, 1838, Synopsis Fam. Naiades: 22.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 199 [as ‘Naia aurata’].
‘Swain.’ Lea, 1852, Synopsis Fam. Naiades: 33 [as ‘Niäa aurata’].
‘Swainson MS’ Reeve, 1865, Conch. Icon. 16: pl. 29, sp. 150.
(reference to Unio auratus Philippi, 1847)
Type(s): FIGURED SPECIMEN BMNH_1965144, I. of Chiloe.

Unio katherinae Lea, 1838
Lea, 1838, Trans. Amer. Phil. Soc. 6 [O. 2]: 143 [as ‘katherinæ’].
Lea, 1838, Synopsis Fam. Naiades: 35 [as ‘katherinæ’].

Unio kirklandianus Lea, 1838
‘Lea’ of Authors.
Lea, 1838, Synopsis Fam. Naiades: 23.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 203.
ITIS, 2012, ITIS: [web].
(error for Unio kirtlandianus Lea, 1834)

Unio margaritacea Lea, 1838
‘Drap.’ of Authors.
Lea, 1838, Synopsis Fam. Naiades: 26.
(error for Unio margaritifera Draparnaud, 1801)

Unio tumulatis Lea, 1838
‘Morton’ Lea, 1838, Synopsis Fam. Naiades: 26.
(error for Unio tumulatus Morton, 1836)

Anodonta taevaii Lea, 1838
‘Rang’ Lea, 1838, Synopsis Fam. Naiades: 32 [as ‘tævaii’].
(error for Anodonta tawaii Rang, 1835)

Margaron (Unio) cumberlandianus Lea, 1852
Lea, 1836, Synopsis Fam. Naiades: 27 [as ‘Margarita (Unio) cumberlandianus’]. [nomen nudum]
Lea, 1838, Synopsis Fam. Naiades: 20 [as ‘Margarita (Unio) cumberlandianus’]. [nomen nudum]
Lea, 1852, Synopsis Fam. Naiades: 30.
(new name for Unio cumberlandicus Lea, 1838)

Margaron (Unio) tigris Lea, 1870
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 21. [nomen nudum]
‘Fer.’ Lea, 1838, Synopsis Fam. Naiades: 18. [nomen nudum]
‘Fer.’ Lea, 1852, Synopsis Fam. Naiades: 25. [nomen nudum]
‘Fer.’ Lea, 1870, Synopsis Fam. Naiades: 39.
(new name for Unio tigridis Bourguignat, 1852)
Type(s): MANUSCRIPT NAME USNM_84706, River at Bagdad, Persia.

Margarita (Anodonta) abyssina Mort.

Margarita (Anodonta) angulata Lea

Margarita (Anodonta) anserina Spix

Margarita (Anodonta) arcuata Fer.

Margarita (Anodonta) benedictensis Lea

Margarita (Anodonta) blainvilliana Lea
+ Iridina trapezialis d’Orbigny, 1835

Margarita (Anodonta) buchanensis Lea

Margarita (Anodonta) chaiziana Rang

Margarita (Anodonta) crassa Swain.

Margarita (Anodonta) crispata Lam.

Margarita (Anodonta) cygneus Drap. Lam. Crouch. Blain. Pfeif. Turt. Des Moul. Flem. Grat. Bouil.
+ Anodonta spuria of Authors, unknown year
+ Mytilus anatinus Linnaeus, 1758
+ Mytilus radiatus Müller, 1774
+ Mytilus cygneus Schröter, 1779
+ Mytilus stagnalis Gmelin, 1791
+ Mytilus fluviatilis Gmelin, 1791
+ Mytilus zellensis Gmelin, 1791
+ Anodonta variabilis Draparnaud, 1801
+ Anodonta cygnaea Poiret, 1801
+ Mytilus avonensis Montagu, 1803
+ Anodonta cygnea Draparnaud, 1806
+ Anodonta anatina Draparnaud, 1806
+ Mytilus cygneus Maton & Rackett, 1807
+ Mytilus fucatus Dillwyn, 1817
+ Anodonta sulcata Lamarck, 1819
+ Anodonta intermedia Lamarck, 1819
+ Mytilus incrassatus Sheppard, 1821
+ Mytilus macula Sheppard, 1821
+ Anodonta intermedia Pfeiffer, 1821
+ Anodonta cellensis Pfeiffer, 1821
+ Anodon paludosus Turton, 1822
+ Anodonta piscinalis Nilsson, 1822
+ Anodonta ventricosa C. Pfeiffer, 1825
+ Anodonta ponderosa C. Pfeiffer, 1825
+ Anodonta dentiens Menke, 1828
+ Anodonta compressa Menke, 1830
+ Anodonta obvoluta Menke, 1830
+ Anodonta proboscidalis Lea, 1836
+ Anodonta grossa Gallenstein, 1852

Margarita (Anodonta) cylindracea Lea

Margarita (Anodonta) decora Lea

Margarita (Anodonta) edentula Lea
+ Anodon areolatus Swainson, 1829

Margarita (Anodonta) elongata Swain.

Margarita (Anodonta) ensiformis Spix. D’Orb.

Margarita (Anodonta) esula Jan.

Margarita (Anodonta) exilis Lea

Margarita (Anodonta) ferussaciana Lea

Margarita (Anodonta) fluviatilis Lea
+ Mytilus illitus Lightfoot, 1786
+ Anodonta cataracta Say, 1817
+ Anodonta marginata Say, 1817
+ Anodonta implicata Say, 1829
+ Anodonta teres Conrad, 1834

Margarita (Anodonta) fragilis Lam.

Margarita (Anodonta) georginæ Gray

Margarita (Anodonta) gibbosa Say
+ Anodonta inflata Lea, 1836

Margarita (Anodonta) gigantea Lea

Margarita (Anodonta) glauca Valen.

Margarita (Anodonta) grandis Say. Lesueur
+ Anodonta corpulenta Cooper, 1834

Margarita (Anodonta) incerta Lea
+ Anodonta imbecillis Say, 1829

Margarita (Anodonta) lato-marginata Lea. D’Orb.
+ Anodon trapezeus Wagner, 1827
+ Anodon rotundus Wagner, 1827

Margarita (Anodonta) limnoica D’Orb.

Margarita (Anodonta) magnifica Lea

Margarita (Anodonta) mortoniana Lea
+ Unio (Anodontes) chiquitana d’Orbigny, 1835

Margarita (Anodonta) newtonensis Lea

Margarita (Anodonta) nuttalliana Lea

Margarita (Anodonta) obtusa Spix
+ Anodon obtusus var. lituratum Wagner, 1827

Margarita (Anodonta) oregonensis Lea

Margarita (Anodonta) ovata Lea

Margarita (Anodonta) parishii Gray

Margarita (Anodonta) patagonica Lam.

Margarita (Anodonta) pavonia Lea

Margarita (Anodonta) pepiniana Lea

Margarita (Anodonta) plana Lea
+ Anodonta declivis Conrad, 1834

Margarita (Anodonta) porcifer Gray

Margarita (Anodonta) purpurea Valen.

Margarita (Anodonta) salmonia Lea

Margarita (Anodonta) sinuosa Lam.

Margarita (Anodonta) sirionos D’Orb.

Margarita (Anodonta) soleniformis D’Orb.

Margarita (Anodonta) spixii D’Orb.

Margarita (Anodonta) stewartiana Lea

Margarita (Anodonta) subcylindracea Lea

Margarita (Anodonta) suborbiculata Say

Margarita (Anodonta) subvexa Con.

Margarita (Anodonta) tenebricosa Lea. D’Orb.

Margarita (Anodonta) trapezialis [sic] Lam.
+ Anodonta exotica Lamarck, 1819
+ Anodon giganteus Wagner, 1827
+ Anodon radiatus Wagner, 1827
+ Anodon susannae Griffith & Pidgeon, 1833
+ Anodon penicillatus Gray, 1834

Margarita (Anodonta) trigona Spix

Margarita (Anodonta) undulata Say
+ Anodonta pensylvanica Lamarck, 1819
+ Anodon rugosus Swainson, 1822

Margarita (Anodonta) uniopsis Lam.

Margarita (Anodonta) wahlamatensis Lea

Margarita (Anodonta) wardiana Lea
+ Anodonta virgata Conrad, 1836

Margarita (Anodonta) woodiana Lea

Margarita (Dipsas) discoideus Lea
+ Unio tenuis Griffith & Pidgeon, 1833

Margarita (Dipsas) plicatus Leach
+ Mytilus dubius Gmelin, 1791
+ Cristaria tuberculata Schumacher, 1817
+ Anodonta dipsas Blainville, 1825
+ Symphynota bialata Lea, 1829

Margarita (Margaritana) arcula Lea

Margarita (Margaritana) bonellii Lea
+ Unio depressa C. Pfeiffer, 1825
+ Alasmodonta compressa Menke, 1830

Margarita (Margaritana) calceola Lea
+ Alasmodonta truncata Conrad, 1834

Margarita (Margaritana) complanata Lea

Margarita (Margaritana) confragosa Lea

Margarita (Margaritana) corrientesensis Lea

Margarita (Margaritana) deltoidea Lea

Margarita (Margaritana) fabula Lea

Margarita (Margaritana) fossiculifera Lea

Margarita (Margaritana) franciscana Mori.

Margarita (Margaritana) guarayana Lea

Margarita (Margaritana) holstonia Lea

Margarita (Margaritana) margaritifera Lea
+ Margaritana fluviatilis Schumacher, 1817
+ Unio elongata Lamarck, 1819
+ Alasmodonta arcuata Barnes, 1823
+ Unio sinuata C. Pfeiffer, 1825
+ Unio roissyi Michaud, 1831
+ Unio rivalis Lea, 1836

Margarita (Margaritana) marginata Lea
+ Unio cariosa Lamarck, 1819
+ Unio varicosa Lamarck, 1819
+ Unio rugulosus Wood, 1828
+ Alasmodonta truncata Lea, 1836

Margarita (Margaritana) minuana Lea

Margarita (Margaritana) paraguayana Lea

Margarita (Margaritana) parchappii Lea

Margarita (Margaritana) radiata Lea

Margarita (Margaritana) raveneliana Lea

Margarita (Margaritana) undulata Say
+ Unio glabratus Sowerby & Sowerby, 1821
+ Unio hians Valenciennes, 1827
+ Alasmodonta sculptilis Say, 1829

Margarita (Unio) acutissimus Lea

Margarita (Unio) aesopus Green
+ Unio cicatricosus Conrad, 1834

Margarita (Unio) alatus Say

Margarita (Unio) altilis Con.

Margarita (Unio) ambiguus Lea
+ Unio ambiguus Sowerby & Sowerby, 1821
+ Unio ambigua Blainville, 1825
+ Tetraplodon pectinatus Wagner, 1827
+ Castalia ambigua Wood, 1828
+ Castalia quadrilatera d’Orbigny, 1835
+ Castalia inflata d’Orbigny, 1835

Margarita (Unio) angulatus Lea
+ Paxyodon ponderosus Schumacher, 1817
+ Hyria corrugata Lamarck, 1819
+ Unio corrugata Blainville, 1825
+ Triplodon rugosus Wagner, 1827

Margarita (Unio) angustatus Lea

Margarita (Unio) angustus Lam.

Margarita (Unio) anodontoides Lea
+ Unio (Eurynia) teres Rafinesque, 1820
+ Unio teres Say, 1834

Margarita (Unio) apiculatus Say

Margarita (Unio) arctatus Con.

Margarita (Unio) arctior Lea

Margarita (Unio) arcus Con.

Margarita (Unio) arcæformis Lea
+ Unio nexus Say, 1831

Margarita (Unio) asper Lea

Margarita (Unio) asperrimus Lea
+ Unio quadrulus Say, 1834

Margarita (Unio) atratus Lea
+ Unio fragilis Reeve, 1865

Margarita (Unio) auratus Lea
+ Unio depressa Lesson, 1830
+ Unio obtusa d’Orbigny, 1835

Margarita (Unio) australis Lam.

Margarita (Unio) barnesianus Lea

Margarita (Unio) batava Lam. Pfeif. Flem.
+ Mya ovalis Lightfoot, 1786
+ Mya pictorum Gmelin, 1791
+ Unio pictorum Draparnaud, 1806
+ Unio sinuatus Studer, 1820
+ Unio planus Studer, 1820
+ Unio riparia Pfeiffer, 1821
+ Unio ater Nilsson, 1822
+ Unio labacensis Rossmässler, 1835
+ Unio decurvatus Rossmässler, 1835
+ Unio fusculus Rossmässler, 1836
+ Unio gibba Lea, 1836
+ Unio reniformis Rossmässler, 1836
+ Unio fuscus Lea, 1836
+ Unio consentaneus Rossmässler, 1836
+ Unio amnicus Rossmässler, 1836
+ Unio carinthiacus Rossmässler, 1836

Margarita (Unio) bengalensis Lea

Margarita (Unio) bilineatus Lea. Ben.

Margarita (Unio) blandingianus Lea

Margarita (Unio) brevidens Lea

Margarita (Unio) brownianus Lea

Margarita (Unio) burroughianus Lea. D’Orb.

Margarita (Unio) cailliaudii Fer.

Margarita (Unio) camelus Lea

Margarita (Unio) camptodon Say
+ Unio declivis Conrad, 1836

Margarita (Unio) capsæformis Lea

Margarita (Unio) carbonarius Lea

Margarita (Unio) cariosus Say. Bar.

Margarita (Unio) castaneus Lea

Margarita (Unio) charruanus d’Orb.

Margarita (Unio) childreni Gray

Margarita (Unio) circulus Lea. Eat.
+ Unio rotundus Wood, 1828

Margarita (Unio) claibornensis Lea

Margarita (Unio) clavus Lam. Con.
+ Obliquaria (Scalenaria) scalenia Rafinesque, 1820
+ Unio modioliformis Lea, 1834
+ Unio clavus Conrad, 1835

Margarita (Unio) coccineus Lea
+ Unio coccineus Conrad, 1836
+ Unio catillus Conrad, 1836

Margarita (Unio) complanatus Lea
+ Unio violaceus Spengler, 1793
+ Unio purpureus Say, 1817
+ Unio rarisulcata Lamarck, 1819
+ Unio coarctata Lamarck, 1819
+ Unio purpurascens Lamarck, 1819
+ Unio rhombula Lamarck, 1819
+ Unio carinifera Lamarck, 1819
+ Unio georgina Lamarck, 1819
+ Unio glabrata Lamarck, 1819
+ Unio sulcidens Lamarck, 1819
+ Unio fluviatilis Green, 1827
+ Unio rigidus Wood, 1828

Margarita (Unio) compressa Lea

Margarita (Unio) confertus Lea

Margarita (Unio) congaræus Lea

Margarita (Unio) conradicus Lea

Margarita (Unio) contradens Lea

Margarita (Unio) cooperianus Lea

Margarita (Unio) cor Con.

Margarita (Unio) cornutus Bar.
+ Obliquaria (Quadrula) reflexa Rafinesque, 1820

Margarita (Unio) corrianus Lea

Margarita (Unio) corrugata Lam.
+ Mya rugosa Gmelin, 1791
+ Mya nodosa Gmelin, 1791
+ Mya spuria Gmelin, 1791
+ Unio corrugata Bruguière, 1797
+ Unio spuria Lamarck, 1819
+ Mya spuria Wood, 1825
+ Unio triradiata Lea, 1836

Margarita (Unio) crassidens Lam.
+ Unio (Elliptio) nigra Rafinesque, 1820
+ Unio cuneatus Barnes, 1823
+ Unio niger Conrad, 1836

Margarita (Unio) crassissimus Fer. Des Moul. Grat.
+ Unio auricularius Spengler, 1793
+ Unio margaritifera Draparnaud, 1801
+ Unio rugosa Poiret, 1801
+ Unio sinuata Lamarck, 1819

Margarita (Unio) crassus Say. Bar.
+ Unio ligamentina Lamarck, 1819
+ Unio crassus Barnes, 1823
+ Unio ellipticus Barnes, 1823
+ Unio carinatus Barnes, 1823
+ Mya gravis Wood, 1828
+ Unio fasciatus Conrad, 1835

Margarita (Unio) creperus Lea

Margarita (Unio) cumberlandianus Lea

Margarita (Unio) cuprinus Lea
+ Unio metallicus Say, 1831

Margarita (Unio) cylindricus Say. Eat. Hild.
+ Unio naviformis Lamarck, 1819

Margarita (Unio) cœlatus Con.

Margarita (Unio) cœruleus [sic] Lea. Ben.

Margarita (Unio) decisus Lea. Con.

Margarita (Unio) declivis Say
+ Unio geometricus Lea, 1834

Margarita (Unio) dehiscens Say
+ Unio oriens Lea, 1831

Margarita (Unio) delodontus Lam.
+ Unio lacteolus Lea, 1834

Margarita (Unio) depressus Lam. D’Orb.

Margarita (Unio) discus Lea

Margarita (Unio) divaricatus Lea

Margarita (Unio) dolabræformis Lea

Margarita (Unio) donaciformis Lea

Margarita (Unio) dorfeuillianus Lea

Margarita (Unio) dromas Lea

Margarita (Unio) ebenus Lea

Margarita (Unio) egyptiacus Caill. Fer.

Margarita (Unio) elegans Lea

Margarita (Unio) ellipsis Lea. Eat.
+ Unio brevialis Sowerby & Sowerby, 1821

Margarita (Unio) elongatus [sic] Pfeif.

Margarita (Unio) emarginatus Lea

Margarita (Unio) faba d’Orb.

Margarita (Unio) fabalis Lea
+ Unio capillus Say, 1831
+ Unio lapillus Say, 1831

Margarita (Unio) fisherianus Lea

Margarita (Unio) foliatus Hild.
+ Obliquaria (Quadrula) flexuosa Rafinesque, 1820
+ Unio flexuosus Conrad, 1835

Margarita (Unio) folliculatus Lea

Margarita (Unio) fragosus Con.

Margarita (Unio) fulvus Lea
+ Unio icterinus Conrad, 1834

Margarita (Unio) gibber Lea

Margarita (Unio) gibbosus Bar. Eat. Hild.
+ Unio nasuta Lamarck, 1819
+ Unio (Eurynia) dilatata Rafinesque, 1820
+ Unio mucronatus Barnes, 1823
+ Unio dilatatus Say, 1834

Margarita (Unio) gigas Lea

Margarita (Unio) glaber Lea

Margarita (Unio) glans Lea

Margarita (Unio) globosus Lea
+ Unio capax Green, 1832

Margarita (Unio) gracilis Barnes. Hild.
+ Unio planus Barnes, 1823
+ Unio fragilis Swainson, 1823

Margarita (Unio) graniferus Lea

Margarita (Unio) granosus Brug. Lam.

Margarita (Unio) grayanus Lea

Margarita (Unio) greenii Con.

Margarita (Unio) griffithianus Lea

Margarita (Unio) haysianus Lea

Margarita (Unio) heterodon Lea

Margarita (Unio) hildrethianus Lea
+ Alasmodonta ambigua Say, 1825

Margarita (Unio) hopetonensis Lea

Margarita (Unio) hydianus Lea

Margarita (Unio) inflatus Lea

Margarita (Unio) infucatus Con.

Margarita (Unio) interruptus Lea

Margarita (Unio) iris Lea
+ Unio nebulosus Conrad, 1834

Margarita (Unio) irroratus Lea. Eaton
+ Unio verrucosus albus Hildreth, 1828

Margarita (Unio) jayensis Lea

Margarita (Unio) jejunus Lea

Margarita (Unio) katherinæ Lea

Margarita (Unio) kirklandianus [sic] Lea

Margarita (Unio) lacrymosus Lea

Margarita (Unio) lamellatus Lea

Margarita (Unio) lanceolatus Lea

Margarita (Unio) leaii Gray

Margarita (Unio) lecontianus Lea

Margarita (Unio) lens Lea

Margarita (Unio) lienosus Con.

Margarita (Unio) litoralis [sic] Lam. Pfeif. Des Moul. Grat.
+ Unio crassus Retzius, 1788
+ Mya depressa Donovan, 1801
+ Mya ovata Donovan, 1802
+ Unio granosus Schumacher, 1817
+ Unio brevialis Lamarck, 1819
+ Unio semirugata Lamarck, 1819
+ Unio nana Lamarck, 1819
+ Unio litoralis Pfeiffer, 1821
+ Unio crassus Nilsson, 1822
+ Unio subtetragonus Michaud, 1831
+ Unio incurvus Lea, 1831
+ Unio pianensis Boubée, 1833
+ Unio rhomboideus Moquin-Tandon, 1855

Margarita (Unio) lugubris Lea

Margarita (Unio) luteolus Lam.
+ Unio siliquoideus Barnes, 1823
+ Unio inflatus Barnes, 1823

Margarita (Unio) lævissimus Lea

Margarita (Unio) maculatus Con.

Margarita (Unio) marginalis Lam.
+ Unio anodontina Lamarck, 1819

Margarita (Unio) masoni Con.

Margarita (Unio) medellinus Lea

Margarita (Unio) membranacea Lea
+ Unio matoniana d’Orbigny, 1835

Margarita (Unio) menkianus Lea

Margarita (Unio) metanever Lea
+ Unio nodosus Barnes, 1823
+ Unio rugosus Barnes, 1823

Margarita (Unio) modestus Fer.

Margarita (Unio) modioliformis Lea
+ Unio delumbis Conrad, 1834

Margarita (Unio) monodontus Say. Eat.
+ Unio soleniformis Lea, 1831

Margarita (Unio) multiplicatus Lea
+ Unio heros Say, 1829
+ Unio undulatus Say, 1831

Margarita (Unio) multiradiatus Lea
+ Lampsilis fasciola Rafinesque, 1820
+ Unio ligamentinus Deshayes, 1835
+ Unio fasciolus Conrad, 1853

Margarita (Unio) multistriatus Lea. D’Orb.
+ Diplodon ellipticum Wagner, 1827

Margarita (Unio) murchisonianus Lea
+ Unio douglasiae Griffith & Pidgeon, 1833

Margarita (Unio) mytiloides Raf.
+ Unio obliquus Wood, 1828

Margarita (Unio) mühlfeldianus Lea

Margarita (Unio) nashvillianus Lea

Margarita (Unio) nasutus Say. Barn. Swain.
+ Unio rostrata Valenciennes, 1827
+ Unio subrostratus Say, 1831

Margarita (Unio) nicklinianus Lea

Margarita (Unio) niloticus Fer. Caill.
+ Mya pictorum of Authors, unknown year

Margarita (Unio) nodulosus Lea

Margarita (Unio) notatus Lea

Margarita (Unio) novi-eboraci Lea

Margarita (Unio) novæ hollandiæ Gray

Margarita (Unio) obesus Lea

Margarita (Unio) obliquus Lam.
+ Unio trigonus of Authors, unknown year
+ Obovaria cordata Rafinesque, 1820
+ Unio undatus Barnes, 1823
+ Unio mytiloides Short & Eaton, 1831
+ Unio cordatus Conrad, 1836

Margarita (Unio) obscurus Lea

Margarita (Unio) occidens Lea
+ Unio ventricosus Say, 1832

Margarita (Unio) ochraceus Say. Con.

Margarita (Unio) olivarius Lea. Ben.

Margarita (Unio) orbiculatus Hild.
+ Unio abruptus Say, 1831
+ Unio crassus Conrad, 1836

Margarita (Unio) ovalis Flem. Sow.
+ Mytilus angustior Lister, 1685
+ Unio tumidus Retzius, 1788
+ Mya depressa Donovan, 1801
+ Mya ovata Donovan, 1802
+ Unio nodulosa Lamarck, 1819
+ Mysca solida Turton, 1822
+ Unio michaudiana Des Moulins, 1833
+ Unio limaniae Dupuy, 1852

Margarita (Unio) ovatus Say. Lam. Bar. Valen. Eat. Hild. Con.
+ Mya ventricosus of Authors, unknown year
+ Mya subovatus of Authors, unknown year
+ Mya occidens of Authors, unknown year
+ Unio ovata Lamarck, 1819
+ Unio ovatus Valenciennes, 1827

Margarita (Unio) paliatus Ravenel’s letter

Margarita (Unio) parallelopipedon Lea. D’Orb.

Margarita (Unio) paranensis Lea. D’Orb.
+ Unio solisiana d’Orbigny, 1835

Margarita (Unio) parvus Bar. Eat.
+ Unio parvus Conrad, 1836

Margarita (Unio) patagonicus D’Orb.

Margarita (Unio) patulus Lea

Margarita (Unio) pectorosus Con.

Margarita (Unio) penitus Con.

Margarita (Unio) perdix Lea

Margarita (Unio) perovalis Con.

Margarita (Unio) perovatus Con.

Margarita (Unio) perplexus Lea
+ Amblema gibbosa Rafinesque, 1820
+ Unio gibbosus Ferussac, 1835

Margarita (Unio) personatus Say
+ Unio capillaris Lea, 1834

Margarita (Unio) phaseolus Hild. Eat.
+ Unio cuneatus Hildreth, 1828
+ Unio planulatus Lea, 1829

Margarita (Unio) phillipsii Con.

Margarita (Unio) pictorum Lam. Pfeif. Drap. Blain. Crouch. Flem. Des Moul. Frat. Bouil.
+ Mya angustata Schröter, 1779
+ Mya corrugata maroccana Martini & Chemnitz, 1782
+ Unio pictorum Draparnaud, 1806
+ Unio pictorum Draparnaud, 1806
+ Unio rostrata Lamarck, 1819
+ Unio manca Lamarck, 1819
+ Unio pictorum Pfeiffer, 1821
+ Unio limosus Nilsson, 1822
+ Unio turtonii Payraudeau, 1826
+ Unio capigliolo Payraudeau, 1826
+ Unio requienii Michaud, 1831
+ Unio deshayesii Michaud, 1831
+ Unio elongatulus Rossmässler, 1835
+ Unio longirostris Rossmässler, 1836
+ Unio limovianscae Lea, 1836

Margarita (Unio) pictus Lea

Margarita (Unio) pileus Lea

Margarita (Unio) platyrhynchus Rossmaesler [sic]

Margarita (Unio) plicatus Lesueur. Say. Bar. Eat. Hild.
+ Unio multiplicata of Authors, unknown year
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio dombeyana Humboldt & Bonpland, 1827

Margarita (Unio) pliciferus Lea

Margarita (Unio) ponderosus Lea
+ Mya crassa Wood, 1815

Margarita (Unio) productus Con.

Margarita (Unio) pulcher Lea

Margarita (Unio) pumilis [sic] Lea

Margarita (Unio) purpuratus Lam.
+ Mya ventricosa Humphrey, 1797
+ Unio ater Lea, 1829
+ Unio lugubris Say, 1832
+ Unio poulsoni Conrad, 1834

Margarita (Unio) pustulatus Lea

Margarita (Unio) pustulosus Lea
+ Unio verrucosus albus of Authors, unknown year

Margarita (Unio) pyramidatus Lea
+ Obliquaria rubra Rafinesque, 1820
+ Unio mytiloides Conrad, 1836

Margarita (Unio) radiatus Lam. Bar. Hild.
+ Mya pictorum tenuis Martini & Chemnitz, 1782
+ Unio virginiana Lamarck, 1819
+ Unio oblongatus Wood, 1828

Margarita (Unio) rangianus Lea

Margarita (Unio) ravenelianus Lea

Margarita (Unio) rectus Lam. Eat.
+ Unio praelongus Barnes, 1823
+ Unio sageri Conrad, 1836

Margarita (Unio) retusus Lam. Con.
+ Obovaria torsa Rafinesque, 1820

Margarita (Unio) rhombeus Wag.

Margarita (Unio) roanokensis Lea

Margarita (Unio) rotundatus Lam.
+ Unio suborbiculata Lamarck, 1819
+ Unio glebulus Say, 1831
+ Unio subglobosus Lea, 1834

Margarita (Unio) rubellus Con.

Margarita (Unio) rubiginosus Lea

Margarita (Unio) schoolcraftensis Lea
+ Unio prasinus Conrad, 1834

Margarita (Unio) securis Lea. Eat.
+ Obliquaria (Plagiola) depressa Rafinesque, 1820
+ Obliquaria (Ellipsaria) ellipsaria Rafinesque, 1820
+ Obliquaria (Plagiola) lineolata Rafinesque, 1820

Margarita (Unio) shepardianus Lea

Margarita (Unio) simus Lea

Margarita (Unio) smithii Gray

Margarita (Unio) solidus Lea

Margarita (Unio) sowerbianus Lea

Margarita (Unio) spinosus Lea

Margarita (Unio) splendidus Lea

Margarita (Unio) stapes Lea

Margarita (Unio) stramineus Con.

Margarita (Unio) subovatus Lea

Margarita (Unio) subrotundus Lea
+ Unio brevialis Crouch, 1827
+ Unio politus Conrad, 1837

Margarita (Unio) subtentus Say. Con.

Margarita (Unio) sulcatus Lea. Eat. Say.
+ Unio ridibundus Say, 1829

Margarita (Unio) syrmatophorus Lea
+ Prisodon obliquus Schumacher, 1817
+ Prisodon truncatus Schumacher, 1817
+ Hyria avicularis Lamarck, 1819
+ Hyria avicularis Lamarck, 1819
+ Unio caudatus Wagner, 1827
+ Diplodon furcatum Wagner, 1827
+ Hyria elongata Swainson, 1841

Margarita (Unio) taitianus Lea

Margarita (Unio) tampicoensis Lea

Margarita (Unio) tappanianus Lea

Margarita (Unio) tenerus Rav.
+ Unio tenebrosus Conrad, 1834

Margarita (Unio) tenuissimus Lea
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829

Margarita (Unio) tetralasmus Say

Margarita (Unio) tigris Fer.

Margarita (Unio) trapezoides Lea
+ Unio crassidens Lamarck, 1819
+ Unio interruptus Say, 1831

Margarita (Unio) triangularis Bar. Eat. Hild. Say
+ Unio cuneatus Swainson, 1823
+ Unio formosus Lea, 1831

Margarita (Unio) trigonus Lea

Margarita (Unio) troostensis Lea
+ Unio trabalis Conrad, 1834

Margarita (Unio) truncatus Swain.

Margarita (Unio) tuberculatus Bar. Eat. Hild.

Margarita (Unio) turgidus Lea
+ Unio mortoni Conrad, 1835

Margarita (Unio) tæniatus Con.

Margarita (Unio) undulatus Barnes. Valen. Hild. Desh.
+ Unio undulatus of Authors, unknown year
+ Amblema costata Rafinesque, 1820
+ Unio undulata Valenciennes, 1827
+ Unio costatus Conrad, 1836

Margarita (Unio) vanuxemensis Lea

Margarita (Unio) variabilis Lea
+ Diplodon rotundus Wagner, 1827

Margarita (Unio) varicosus Lea
+ Unio cicatricosus Say, 1829

Margarita (Unio) vaughanianus Lea
+ Unio carolinensis Lea, 1836

Margarita (Unio) ventricosus Bar.

Margarita (Unio) venustus Lea

Margarita (Unio) verrucosus Bar. Eat.
+ Obliquaria (Rotundaria) tuberculata Rafinesque, 1820
+ Unio tuberculosus Humboldt & Bonpland, 1827
+ Unio verrucosus purpureus Hildreth, 1828

Margarita (Unio) vibex Con.

Margarita (Unio) watereensis Lea
+ Unio raveneli Conrad, 1834

Margarita (Unio) zeiglerianus Lea

Margarita (Unio) zigzag Lea. Eat.

Platiris (Iridina) exotica Lam.
+ Iridina striata Swainson, 1823
+ Anodonta exotica Blainville, 1825

Platiris (Iridina) ovata Swain.
+ Iridina exotica Children, 1823
+ Pleiodon macmurtriei Conrad, 1834

Platiris (Spatha) cœlestis Lea
+ Iridina rostrata Rang, 1835

Platiris (Spatha) elongata Lea

Platiris (Spatha) nilotica Lea
+ Mytilus dubius Gmelin, 1791
+ Mutela oudnoei Koenig, 1826
+ Iridina mutel Rang, 1835

Platiris (Spatha) rubens Lea
+ Anodon clappertoni Koenig, 1826

Platiris (Spatha) siliquosa Lea
+ Anodon siliquosus var. pygmaeum Wagner, 1827
+ Anodon longinus Wagner, 1827
+ Mycetopoda siliquosus d’Orbigny, 1835

Platiris (Spatha) soleniformis Lea