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Page last updated
Thu 04 Jul 2019

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 Lea (1870), 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

Lea, I. 1870. A Synopsis of the Family of Naïades. 184 pp.

Click here for online access.

Attributed Genus Names

Telederma Lea, 1852
‘Swainson’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 22.
Reeve, 1864, Conch. Icon. 16: pl. 7,sp. 25.
Lea, 1870, Synopsis Fam. Naiades: 33.
Paetel, 1875, Fam. Gatt. Moll.: 203.
(error for Theliderma Swainson, 1840)

Monocondyloea Lea, 1852
Lea, 1852, Synopsis Fam. Naiades: 45 [as ‘Monocondylœa’].
Lea, 1859, Proc. Acad. Nat. Sci. 11: 187 [as ‘Monocondylœa’].
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 7]: 235 [53] [as ‘Monocondylœa’].
Lea, 1870, Synopsis Fam. Naiades: 73 [as ‘Monocondylœa’].
(error for Monocondylaea d’Orbigny, 1835)

Margaron Lea, 1852
Lea, 1852, Synopsis Fam. Naiades: 17.
Lea, 1870, Synopsis Fam. Naiades: 25.
(new name for Margarita Lea, 1836)
Type species: Mya pictorum Linnaeus, 1758 (herein) = Unio pictorum

Fossula Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 72, footnote.
Type species: Unio fossiculifera d’Orbigny, 1835 (monotypy) = Fossula fossiculifera

Attributed Species Names

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.
Swainson, 1840, Treat. Malacol.: 287.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 220.
Lea, 1852, Synopsis Fam. Naiades: 52.
Hupé, 1857, [in] Castelnau, Amim. Nouv. Rares d’Amer. Sud: 85.
Adams & Adams, 1857, Gen. Rec. Moll. 2: 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.
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.
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, 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 vittatus Ferussac, 1835
‘Rafinesque’ of Authors.
Ferussac, 1835, Mag. Zool. 5: 29.
Lea, 1852, Synopsis Fam. Naiades: 58.
Lea, 1870, Synopsis Fam. Naiades: 92.
(error for Bariosta vittatis Rafinesque, 1831)

Margarita (Unio) modestus Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 32. [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.
J.F. Schmidt, 1840, Bull. Soc. Nat. Moscow 12: 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)

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

Margarita (Unio) egyptiacus Jay, 1836
‘Cailliaud’ of Authors.
Jay, 1836, Cat. Rec. Shells: 20.
Lea, 1836, Synopsis Fam. Naiades: 29.
Lea, 1838, Synopsis Fam. Naiades: 21.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 198.
Lea, 1852, Synopsis Fam. Naiades: 32.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 267.
Adams & Adams, 1857, Gen. Rec. Moll. 2: 494.
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 orientalis Lea, 1836
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 41. [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, 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, 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, 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, 1852, Synopsis Fam. Naiades: 42.
‘Wood’ Lea, 1870, Synopsis Fam. Naiades: 67.
(error for Unio rugulosus Wood, 1828)

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

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.

Unio melaplata Lea, 1836
‘Rafinesque’ Lea, 1836, Synopsis Fam. Naiades: 59.
‘Rafinesque’ Lea, 1852, Synopsis Fam. Naiades: 58.
‘Rafinesque’ Lea, 1870, Synopsis Fam. Naiades: 92.
(error for Truncilla metaplata Rafinesque, 1831)

Unio pusella Lea, 1836
‘Rafinesque’ Lea, 1836, Synopsis Fam. Naiades: 59.
‘Rafinesque’ Lea, 1852, Synopsis Fam. Naiades: 58.
‘Rafinesque’ Lea, 1870, Synopsis Fam. Naiades: 92.
(error for Obliquaria (Rotundaria) pusilla Rafinesque, 1820)

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

Margarita (Unio) watereensis Lea, 1836
Lea, 1836, Synopsis Fam. Naiades: 31.
Lea, 1852, Synopsis Fam. Naiades: 33.
Lea, 1870, Synopsis Fam. Naiades: 53.
(new name for Unio raveneli Conrad, 1834)

Margaritana vondembuschiana Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288 [as ‘vondenbuschiana’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 222 [60], pl. 18, fig. 39 [as ‘vondenbuschiana’].
Lea, 1852, Synopsis Fam. Naiades: 45 [as ‘vondenbuschiana’].
Lea, 1870, Synopsis Fam. Naiades: 73.
(correct name for Margaritana vondenbuschiana Lea, 1840; renamed Monodontina buschiana Conrad, 1853)
Type(s): TYPE USNM_86348, Java.

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: 499.
Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 319.
Lea, 1870, Synopsis Fam. Naiades: 68.
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)

Unio zieglerianus Hanley, 1843
‘Lea’ of Authors.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 193.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 260.
Lea, 1870, Synopsis Fam. Naiades: 45.
(error for Unio zeiglerianus Lea, 1838)

Unio hispanicus Graëls, 1846
Graëls, 1846, Catal. Moll. Esp.: 22.
‘Moquin. Rossm.’ Lea, 1852, Synopsis Fam. Naiades: 30.
‘Moquin. Rossm.’ Lea, 1870, Synopsis Fam. Naiades: 48.
(error for Unio hispanus Rossmässler, 1844)

Unio lobatata Lea, 1852
‘De Cr. and J.’ Lea, 1852, Synopsis Fam. Naiades: 37.
‘De Cr. and J.’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio lobata Philippi, 1836)

Unio vindiflavus Lea, 1852
‘Küster’ Lea, 1852, Synopsis Fam. Naiades: 37.
‘Küster’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio viridiflavus Küster, 1854)

Unio calimatorum Lea, 1852
‘Morelet’ Lea, 1852, Synopsis Fam. Naiades: 39.
‘Morelet’ Lea, 1870, Synopsis Fam. Naiades: 63.
(error for Unio calamitarum Morelet, 1849)

Unio carniolicus Lea, 1852
‘Ziegler. Potier’ Lea, 1852, Synopsis Fam. Naiades: 39. [nomen nudum]
‘Ziegler. Potier’ Lea, 1870, Synopsis Fam. Naiades: 63. [nomen nudum]

Unio errosus Lea, 1852
‘Jays’s Cat.’ Lea, 1852, Synopsis Fam. Naiades: 39. [nomen nudum]
‘Jays’s Cat.’ Lea, 1870, Synopsis Fam. Naiades: 63.

Unio moravicus Lea, 1852
‘Jays’s Cat.’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Jays’s Cat.’ Lea, 1870, Synopsis Fam. Naiades: 63. [nomen nudum]

Unio obtusa Lea, 1852
‘Potier and Michaud’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Potier and Michaud’ Lea, 1870, Synopsis Fam. Naiades: 63. [nomen nudum]

Unio pruneosus Lea, 1852
‘Zeig.’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Zeig.’ Lea, 1870, Synopsis Fam. Naiades: 64. [nomen nudum]

Unio truncatosus Lea, 1852
‘Potier’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Potier’ Lea, 1870, Synopsis Fam. Naiades: 64. [nomen nudum]

Unio zimermani Lea, 1852
‘Stenz. Potier’ Lea, 1852, Synopsis Fam. Naiades: 40. [nomen nudum]
‘Stenz. Potier’ Lea, 1870, Synopsis Fam. Naiades: 64. [nomen nudum]

Anodonta maculenta Lea, 1852
‘Morelet’ Lea, 1852, Synopsis Fam. Naiades: 48.
‘Morelet’ Lea, 1870, Synopsis Fam. Naiades: 77.
(error for Anodonta macilenta Morelet, 1845)

Margaron (Unio) bucklyi Lea, 1852
‘Lea’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 30.
Adams & Adams, 1857, Gen. Rec. Moll. 2: 493 [as ‘Unio (Hyridella) bucklyi’].
Lea, 1870, Synopsis Fam. Naiades: 48.
(error for Unio buckleyi Lea, 1843)

Anodonta lusitania Lea, 1852
‘Morelet’ Lea, 1852, Synopsis Fam. Naiades: 48.
‘Morelet’ Lea, 1870, Synopsis Fam. Naiades: 77.
(error for Anodonta lusitana Morelet, 1845)

Anodonta sondermanii Lea, 1852
‘Küster’ Lea, 1852, Synopsis Fam. Naiades: 49.
‘Küster’ Lea, 1870, Synopsis Fam. Naiades: 77.
(error for Anodonta sondermannii Küster, 1842)

Anodon pencillatus Lea, 1852
‘Gray’ Lea, 1852, Synopsis Fam. Naiades: 52.
‘Gray’ Lea, 1870, Synopsis Fam. Naiades: 83.
(error for Anodon penicillatus Gray, 1834)

Anodonta guilliana Lea, 1852
‘Recluz’ Lea, 1852, Synopsis Fam. Naiades: 53.
‘Recluz’ Lea, 1870, Synopsis Fam. Naiades: 84.
(error for Anodonta guillaini Récluz, 1850)

Platiris (Spatha) caelestis Lea, 1852
‘Lea’ Lea, 1852, Synopsis Fam. Naiades: 55 [as ‘cælestis’].
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 89 [as ‘cælestis’].
(error for Iridina coelestis Lea, 1838)

Unio ronsii Dupuy, 1852
Dupuy, 1852, Hist. Natur. Moll. France (6): 653.
‘Dup.’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio rousii Dupuy, 1849)

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)

Unio casablancae Lea, 1852
‘Philippi’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 39.
Pfeiffer, 1869, Novit. Conch. 3: 481, pl. 104, figs. 1-2.
Lea, 1870, Synopsis Fam. Naiades: 53.
Parada & Peredo, 2002, Rev. Chilena Hist. Nat. 75: 693.
(error for Unio casaeblancae Philippi, 1848)

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 damnoica Lea, 1852
‘D’Orb.’ Lea, 1852, Synopsis Fam. Naiades: 39.
‘D’Orb.’ Lea, 1870, Synopsis Fam. Naiades: 63.
(error for Unio psammoica d’Orbigny, 1835)

Unio planilaterus Lea, 1852
‘Conrad’ of Authors.
Lea, 1852, Synopsis Fam. Naiades: 32.
Lea, 1870, Synopsis Fam. Naiades: 51.
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: 497 [as ‘hippopæus’].
Reeve, 1864, Conch. Icon. 16: pl. 11, sp. 40 [as ‘hippopæus’].
Lea, 1870, Synopsis Fam. Naiades: 31 [as ‘hippopæus’].
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 767 [as ‘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)

Margaron (Unio) pressus Lea, 1852
Lea, 1852, Synopsis Fam. Naiades: 19.
Lea, 1870, Synopsis Fam. Naiades: 29.
(new name for Symphynota compressa Lea, 1829)
Type(s): HOLOTYPE USNM_83961, Yellow Cr., Cincinnati, Ohio.

Lampsilis nashvillensis Agassiz, 1852
‘Lea’ of Authors.
Agassiz, 1852, Arch. Naturg. 18(1): 44.
Lea, 1870, Synopsis Fam. Naiades: 45.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 32.
(error for Unio nashvillianus Lea, 1834)

Platiris (Iridina) leaii Lea, 1852
‘Sow.’ Lea, 1852, Synopsis Fam. Naiades: 54. [nomen nudum]
‘Sow.’ Lea, 1870, Synopsis Fam. Naiades: 88. [nomen nudum]
Type(s): NOMEN NUDUM USNM_86774, Senegal.

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, 1848)

Margaron (Unio) plectoforus Lea, 1852
Lea, 1852, Synopsis Fam. Naiades: corrigenda et addenda.
Lea, 1870, Synopsis Fam. Naiades: 31.
(error for Unio plectophorus Conrad, 1849; reference to Unio plectiforus Lea, 1852)

Unio guarianus Lea, 1852
‘D’Orb.’ Lea, 1852, Synopsis Fam. Naiades: 21.
‘D’Orb.’ Lea, 1870, Synopsis Fam. Naiades: 31.
(error for Unio guaraniana d’Orbigny, 1835)

Margaron (Unio) guadechaudii Lea, 1852
‘Eyd.’ Lea, 1852, Synopsis Fam. Naiades: 32.
‘Eyd.’ Lea, 1870, Synopsis Fam. Naiades: 50.
(error for Unio gaudichaudii Eydoux, 1838)

Margaron (Unio) dollabelloides Lea, 1852
of Authors.
Lea, 1852, Synopsis Fam. Naiades: 35.
Lea, 1870, Synopsis Fam. Naiades: 56.
‘Lea’ Zanatta & Murphy, 2006, MPE 41(1): 197 [as ‘Lexingtonia’].
(error for Unio dolabelloides Lea, 1840)

Unio rostriformis Lea, 1856
Lea, 1856, Proc. Acad. Nat. Sci. 8: 262 [as ‘rostræformis’].
Lea, 1858, Jour. Acad. Nat. Sci. 4 [O. 6]: 64, pl. 10, fig. 46.
Lea, 1870, Synopsis Fam. Naiades: 60.
(error for Unio rostraeformis Lea, 1856)

Unio laticostatus Adams & Adams, 1857
‘Lea’ of Authors.
Adams & Adams, 1857, Gen. Rec. Moll. 2: 497.
Lea, 1870, Synopsis Fam. Naiades: 31.
Singley, 1893, Geol. Surv. Texas (1892): 317.
(error for Unio latecostatus Lea, 1845)

Unio demeraraensis Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 152 [as ‘demararaensis’].
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 7]: 253 [71], pl. 39, fig. 133.
Lea, 1870, Synopsis Fam. Naiades: Corridenda et Addenda.
(correct name for Unio demararaensis Lea, 1859)
Type(s): TYPE BMNH_1964141, Demerara.

Unio woodwardianus Lea, 1859
Lea, 1859, Jour. Acad. Nat. Sci. 4 [O. 7]: 199.
Lea, 1870, Synopsis Fam. Naiades: 36.
(error for Unio woodwardius Lea, 1857)

Margaron (Unio) hazlehurstianus Lea, 1859
Lea, 1859, Jour. Acad. Nat. Sci. 4 [O. 7]: 211.
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 60.
(error for Unio hazelhurstianus Lea, 1858)

Unio demararaensis Lea, 1859
Lea, 1859, Proc. Acad. Nat. Sci. 11: 152.
Lea, 1870, Synopsis Fam. Naiades: 36, Corridenda et Addenda.
(incorrect original spelling of Unio demeraraensis Lea, 1859)

Unio texasensis Lea, 1860
‘Lea’ of Authors.
Lea, 1860, Jour. Acad. Nat. Sci. 4 [O. 8]: 359.
Lea, 1870, Synopsis Fam. Naiades: 59.
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)

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: 83.
Simpson, 1914, Descr. Cat. Naiades: 1316.
(error for Spatha caillaudi Martens, 1866)
Type(s): SYNTYPES MNHN_MP_0196, Le Nil.

Monocondylaea mouhotiana Lea, 1866
‘Lea’ of Authors.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 65 [69], pl. 21, fig. 62.
Lea, 1870, Synopsis Fam. Naiades: 73.
Morelet, 1875, Séries Conch. 4: 339.
Crosse & Fischer, 1876, J. de Conch. 24: 332.
(error for Monocondyloea mouhotii Lea, 1863)

Unio nyassensis Sowerby, 1868
‘Lea’ of Authors.
Sowerby, 1868, Conch. Icon. 16: Errata.
Lea, 1870, Synopsis Fam. Naiades: 30.
(error for Unio nyassaensis Lea, 1864)

Margaron (Unio) tigris Lea, 1870
‘Fer.’ Lea, 1836, Synopsis Fam. Naiades: 21. [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.

Unio inusitatus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 51.
‘Lea’ Frierson, 1927, Check List N. Amer. Naiades: 31.
(error for Unio inusitatis Lea, 1859)

Castalia crossiana Lea, 1870
‘Hupé’ Lea, 1870, Synopsis Fam. Naiades: 27.
(error for Castalia crosseana Hidalgo, 1865)

Castalia crosseiana Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: corrigenda et addenda.
(error for Castalia crosseana Hidalgo, 1865)

Unio crespisulcata Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 31.
(error for Unio crispisulcatus Benson, 1862)

Margaron (Unio) spaericus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 33 [as ‘spæricus’].
(error for Unio sphaericus Lea, 1868)

Margaron (Unio) aveia Lea, 1870
‘Ben.’ Lea, 1870, Synopsis Fam. Naiades: 35. [nomen nudum]

Unio grundlachi Lea, 1870
‘Dunk.’ Lea, 1870, Synopsis Fam. Naiades: 35.
(error for Unio gundlachi Dunker, 1858)

Glabaris leotandi Lea, 1870
‘Guppy’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 83.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 929.
(error for Anodon leotaudi Guppy, 1866)

Unio lunifer Lea, 1870
‘Bourg’ Lea, 1870, Synopsis Fam. Naiades: 37.
(error for Unio lunulifer Bourguignat, 1856)

Margaron (Unio) habetatus Lea, 1870
‘Con.’ Lea, 1870, Synopsis Fam. Naiades: 38.
(error for Unio hebetatus Conrad, 1854)

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)

Unio cardidiacea Lea, 1870
‘Conrad’ Lea, 1870, Synopsis Fam. Naiades: 39.
(error for Unio caridacea Conrad, 1836)

Margaron (Unio) fascinans Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 42.
(error for Unio fassinans Lea, 1868)

Margaron (Lea) vivescens Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 42.
(error for Unio virescens Lea, 1858)

Margaron (Unio) turdigulus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 42.
(error for Unio turgidulus Lea, 1858)

Unio calliginosus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 45.
(error for Unio caliginosus Lea, 1845)

Margaron (Unio) fellmani Lea, 1870
‘Desh.’ Lea, 1870, Synopsis Fam. Naiades: 46.
(error for Unio fellmanni Deshayes, 1848)

Unio swerzenbackii Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 46.
(error for Unio schwerzenbachi Bourguignat, 1856)

Unio labacencis Lea, 1870
‘Pfeif. Mühl.’ Lea, 1870, Synopsis Fam. Naiades: 47.
(error for Unio labacensis Rossmässler, 1835)

Unio schoolcraftii Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 33.
(error for Unio schoolcraftensis Lea, 1834)

Unio maceerthyanus Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 48.
(error for Unio maccarthyanus Bourguignat, 1866; misidentified reference to Unio maccarthyanus Bourguignat, 1866)

Unio pareyssi Lea, 1870
‘Phili.’ Lea, 1870, Synopsis Fam. Naiades: 50.
(error for Unio parreyssi Philippi, 1848)

Margaron (Unio) legubris Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 53.
(error for Unio lugubris Lea, 1838)

Unio cumingii Lea, 1870
‘Dunker’ Lea, 1870, Synopsis Fam. Naiades: 31.
(error for Unio cumingianus Dunker, 1852)

Unio dimotus Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 30.
(new name for Unio sumatrensis Lea, 1859)

Margaron (Unio) menzieni Lea, 1870
‘Gray’ Lea, 1870, Synopsis Fam. Naiades: 46.
(error for Unio menziesii Dieffenbach, 1843)

Unio sennaarensis Lea, 1870
‘Küster’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 64.
Pallary, 1924, Mém. Inst. Égypte 7 (n.s.): 48.
(error for Unio sennaariensis Küster, 1862)

Unio actaphilus Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 59.
(error for Unio actephilus Bourguignat, 1862)

Margaron (Unio) sagittaeformis Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 60.
(error for Unio sagittiformis Lea, 1852)

Margaron (Unio) laonensis Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 62.
(error for Unio laosensis Lea, 1863)

Unio oblitus Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 64.
(new name for Unio venustus Morelet, 1866)

Unio bicoelatus Lea, 1870
‘Reeve’ Lea, 1870, Synopsis Fam. Naiades: 63 [as ‘bicœlatus’].
(error for Unio bicaelatus Reeve, 1865)

Unio demboae Lea, 1870
‘Reeve’ Lea, 1870, Synopsis Fam. Naiades: 63 [as ‘demboæ’].
(error for Unio dembeae Reeve, 1865)

Unio longidentatus Lea, 1870
‘Anton’ Lea, 1870, Synopsis Fam. Naiades: 63.
(error for Unio longedentatus Anton, 1838)

Unio micellus Lea, 1870
‘Morelet Lea, 1870, Synopsis Fam. Naiades: 63.
(error for Unio misellus Morelet, 1865)

Unio mosambicensis Lea, 1870
‘Mart.’ Lea, 1870, Synopsis Fam. Naiades: 63.
(error for Unio mossambicensis Martens, 1860)

Prisodon obliquus castelnaui Lea, 1870
‘Hupé’ Lea, 1870, Synopsis Fam. Naiades: 25 [as ‘Hyria castelnauii’].
‘Hupé’ Ihering, 1910, Abh. Senckenb. Naturf. Ges. 32: 135.
(error for Hyria castelnaudii Hupé, 1857)

Unio oxyrynchus Lea, 1870
‘von Martens’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 63.
Preston, 1912, Rec. Ind. Mus. 7: 288.
(error for Unio oxyrhynchus Martens, 1861)

Unio reyniesii Lea, 1870
‘Mich.’ Lea, 1870, Synopsis Fam. Naiades: 64.
(error for Unio roissyi Michaud, 1831)

Unio seneltensis Lea, 1870
‘Gass.’ Lea, 1870, Synopsis Fam. Naiades: 64. [nomen nudum]

Unio teyheri Lea, 1870
‘Menke’ Lea, 1870, Synopsis Fam. Naiades: 64.
(error for Unio zeyheri Menke, 1848)

Margaron (Monocondylæa) salmeniana Lea, 1870
‘Gould’ Lea, 1870, Synopsis Fam. Naiades: 72.
(error for Anodon salweniana Gould, 1844)

Unio mechonii Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 72.
(error for Unio michonii Bourguignat, 1852)

Margaron (Anodonta) schrenkii Lea, 1870
‘Lea’ Schrenck, 1867, Reise Forsch. Amurlande 2: 718, pl. 28, figs. 1-2 [as ‘Anodonta magnifica;].
Lea, 1870, Synopsis Fam. Naiades: 75.

Anodonta middendorfii Lea, 1870
‘Siesm.’ Lea, 1870, Synopsis Fam. Naiades: 78.
(error for Anodonta middendorffi Siemaschko, 1848)

Anodonta hilvetica Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 78.
(error for Anodonta helvetica Bourguignat, 1862)

Anodonta melina Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 78.
(error for Anodonta melinia Bourguignat, 1865)

Margaron (Unio) versus Lea, 1870
‘Lea’ Reeve, 1865, Conch. Icon. 16: pl. 29, sp. 147 [as ‘Unio inornatus’].
Lea, 1870, Synopsis Fam. Naiades: 46.

Margaron (Anodonta) strebellii Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 79.
(error for Anodonta strebelii Lea, 1868)

Margaron (Anodonta) napolatensis Lea, 1870
‘Sow.’ Lea, 1870, Synopsis Fam. Naiades: 81.
(error for Anodon nopalatensis Sowerby, 1867)

Margaron (Anodonta) marryatana Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 82.
‘Lea’ Frierson, 1927, Check List N. Amer. Naiades: 15.
(error for Anodonta maryattana Lea, 1840)

Margaron (Anodonta) ononensis Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 84.
(error for Margaron (Anodonta) onowensis Lea, 1852)

Anodonta latourneuxi Lea, 1870
‘Bourg.’ Lea, 1870, Synopsis Fam. Naiades: 84.
(error for Anodonta letourneuxi Bourguignat, 1870)

Anodonta schombergkii Lea, 1870
‘Mart.’ Lea, 1870, Synopsis Fam. Naiades: 84.
(error for Anodonta (Lamproscapha) schomburgki Martens, 1860)

Iridina spendida Lea, 1870
‘Chenu’ Lea, 1870, Synopsis Fam. Naiades: 88.
(error for Iridina splendida Chenu, 1858)

Iridina welwitchii Lea, 1870
‘More.’ Lea, 1870, Synopsis Fam. Naiades: 88.
(error for Iridina welwitschii Morelet, 1868)

Castalia dollabella Lea, 1870
‘Sowerby’ Lea, 1870, Synopsis Fam. Naiades: 184.
(error for Castalia dolabella Sowerby, 1869)

Margaron (Unio) conradianus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 32.
‘Lea’ Haas, 1969, Treatise on Invert. Paleo: N455 [as ‘Medionidus’].
(error for Unio conradicus Lea, 1834)

Unio bonplandii Lea, 1870
‘Valen’ Lea, 1870, Synopsis Fam. Naiades: 63. [nomen nudum]

Margaron (Unio) mortonicus Lea, 1870
‘Reeve’ Lea, 1870, Synopsis Fam. Naiades: 43.
(error for Unio moretonicus Reeve, 1865)

Margaron (Anodonta) benedictii Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 75.
(new name for Symphynota benedictensis Lea, 1834)

Unio danellii Lea, 1870
‘Villa’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 184.
Iredale, 1943, Austral. Zool. 10: 189.
B.J. Smith, 1992, Zoo. Cat. Australia 8: 20.
(error for Unio daniellii Villa, 1871)

Anodonta polymorpha Lea, 1870
‘Küster’ Lea, 1870, Synopsis Fam. Naiades: 84. [nomen nudum]
‘Kutsch.’ Brusina, 1870, Contrib. Malac. Croat.: 32. [nomen nudum]

Anodonta recurvirostra Lea, 1870
‘Küster’ Lea, 1870, Synopsis Fam. Naiades: 84. [nomen nudum]

Unio verreauxianus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 36.
‘Lea’ Kobelt, 1910, Abh. Senckenb. Naturf. Ges. 32: 85.
(error for Unio verreauianus Lea, 1856)

Margaron (Unio) jayanus Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 60.
(error for Unio jayensis Lea, 1838)

Margaron (Unio) semigranosus Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 34. [in part]
(misidentified reference to Unio semigranosus Philippi, 1843)

Unio lepidior Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 53.
(new name for Unio lepidus Lea, 1860)
Type(s): HOLOTYPE USNM_85624, Uruguay R., S. America.

Margaron (Unio) vanuxemii Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 46.
(error for Unio vanuxemensis Lea, 1838)

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 meredithii Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: ??.
(reference to Unio meredithii Lea, 1858)

Anodonta shafferiana Lea, 1870
‘Lea’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 81.
Clessin, 1873, Conchyl. Cab. 9(1): 243, pl. 17, figs. 5-7.
B.H. Wright, 1888, Check List: unnumbered p. 7.
Call, 1895, Trans. Acad. Sci. St. Louis 7: 60.
Utterback, 1916, Amer. Midl. Nat. 4(7): 311.
Frierson, 1927, Check List N. Amer. Naiades: 23.
(error for Anodonta shaefferiana Lea, 1852)

Margaron (Anodonta) subglobosa Lea, 1870
‘Anth.’ Lea, 1870, Synopsis Fam. Naiades: 81.
(error for Anodon subgibbosa J.G. Anthony, 1866)

Margaron (Unio) bensonii Lea, 1870
Lea, 1870, Synopsis Fam. Naiades: 57.
(new name for Anodonta soleniformis Benson, 1836)

Unio troostii Lea, 1870
‘Lea’ Lea, 1870, Synopsis Fam. Naiades: 39.
(error for Unio troostensis Lea, 1834)

Unio byzantinus Drouët, 1879
‘Parr.’ Lea, 1870, Synopsis Fam. Naiades: 48. [nomen nudum]
‘Parreyss, in sched.’ Drouët, 1879, J. de Conch. 27: 141.

Taxonomic Opinions

Margaron (Anodonta) amazonensis (Lea)

Margaron (Anodonta) angulata (Lea)
+ Anodon feminalis Gould, 1850
+ Anodonta randalli Trask, 1855
+ Anodon biangulata Sowerby, 1869

Margaron (Anodonta) anserina (Spix)

Margaron (Anodonta) arcuata Fer.

Margaron (Anodonta) arcuta (Caill.)

Margaron (Anodonta) argentea (Lea)

Margaron (Anodonta) arkansensis (Lea)

Margaron (Anodonta) bealei (Lea)

Margaron (Anodonta) benedictii (Lea)
+ Symphynota benedictensis Lea, 1834
+ Anodonta cultrata Lea, 1852

Margaron (Anodonta) bridgesii (Lea)

Margaron (Anodonta) buchanensis (Lea)

Margaron (Anodonta) burroughiana (Lea)

Margaron (Anodonta) cailliaudii (Lea)

Margaron (Anodonta) californiensis (Lea)

Margaron (Anodonta) chaiziana (Rang)
+ Epigenia decorata of Authors, date unknown
+ Anodonta tawaii Rang, 1835

Margaron (Anodonta) corpulenta (Coop.)

Margaron (Anodonta) couperiana (Lea)

Margaron (Anodonta) crassa (Swain.)

Margaron (Anodonta) crepera (Lea)

Margaron (Anodonta) crispata (Lam.)
+ Anodon glauca Gould, 1850
+ Anodonta puberula Gould, 1852

Margaron (Anodonta) cygnea (Lin.)
+ [Musculus ?] fragilis of Authors, date unknown
+ Musculus fluviatilis of Authors, date unknown
+ Musculus latus of Authors, date unknown
+ Musculus angustior of Authors, date unknown
+ Anodonta spuria of Authors, date unknown
+ Anodonta convexa of Authors, date unknown
+ Anodonta parreyssii of Authors, date unknown
+ Anodonta subalata of Authors, date unknown
+ Anodonta prolongata of Authors, date unknown
+ Anodonta derasa of Authors, date unknown
+ Anodonta spreta of Authors, date unknown
+ Anodonta subdepressa of Authors, date unknown
+ Mytilus anatinus Linnaeus, 1758
+ Mytilus radiatus Müller, 1774
+ Mytilus cygneus Schröter, 1779
+ Mya arenaria Schröter, 1779
+ Mytilus stagnalis Gmelin, 1791
+ Mytilus fluviatilis Gmelin, 1791
+ Mytilus zellensis Gmelin, 1791
+ Anodonta cygnaea Poiret, 1801
+ Anodonta variabilis Draparnaud, 1801
+ Anodonta stagnalis Bosc, 1801
+ Anodonta fluviatilis Bosc, 1801
+ Mytilus avonensis Montagu, 1803
+ Mytilus cygneus Maton & Rackett, 1807
+ Mytilus fucatus Dillwyn, 1817
+ Anodonta sulcata Lamarck, 1819
+ Anodonta intermedia Lamarck, 1819
+ Mytilus anatinus Sheppard, 1821
+ Mytilus incrassatus Sheppard, 1821
+ Anodonta cellensis Pfeiffer, 1821
+ Anodon paludosus Turton, 1822
+ Anodonta piscinalis Nilsson, 1823
+ Anodonta ventricosa C. Pfeiffer, 1825
+ Anodonta ponderosa C. Pfeiffer, 1825
+ Anodonta dentiens Menke, 1828
+ Mytilus cellensis Menke, 1828
+ Anodonta obvoluta Menke, 1830
+ Anodonta minima Millet, 1831
+ Anodonta oblonga Millet, 1831
+ Anodonta cygnea Rossmässler, 1835
+ Anodonta complanata Rossmässler, 1835
+ Anodonta klettii Rossmässler, 1835
+ Anodonta complanata Rossmässler, 1836
+ Anodonta proboscidalis Lea, 1836
+ Anodonta rostrata Rossmässler, 1836
+ Anodonta attenuata Held, 1836
+ Anodonta piscinalis var. testa Rossmässler, 1837
+ Anodonta luxata Held, 1837
+ Anodonta rhomboidea Schlüter, 1838
+ Anodonta exulcerata Porro, 1838
+ Anodonta confervigera Schlüter, 1838
+ Anodonta piscinalis var. glabrata subvar. nitida Schlüter, 1838
+ Anodonta cygnea var. excentrica Schlüter, 1838
+ Anodonta callosa Küster, 1839
+ Anodonta inornata Küster, 1842
+ Anodonta cariosa Küster, 1842
+ Anodonta arealis Küster, 1842
+ Anodonta subluxata Küster, 1842
+ Anodonta sondermannii Küster, 1842
+ Anodonta anserirostris Küster, 1842
+ Anodonta tenella Küster, 1842
+ Anodonta tumida Küster, 1842
+ Anodonta opalina Küster, 1842
+ Anodonta rossmassleriana Dupuy, 1843
+ Anodonta coarctata Potiez & Michaud, 1844
+ Anodonta ovalis Potiez & Michaud, 1844
+ Anodon subrhombea Brown, 1844
+ Anodonta contorta Brown, 1844
+ Anodonta regularis Morelet, 1845
+ Anodonta macilenta Morelet, 1845
+ Anodonta lusitana Morelet, 1845
+ Anodonta ranarum Morelet, 1845
+ Anodonta milletii Ray & Drouët, 1848
+ Anodonta sedakowi Siemaschko, 1848
+ Anodonta middendorffi Siemaschko, 1848
+ Anodonta rostrata Dupuy, 1849
+ Anodonta gratelupeana Gassies, 1849
+ Anodonta dupuyii Ray & Drouët, 1849
+ Anodonta normandi Dupuy, 1849
+ Anodonta rayii Dupuy, 1849
+ Anodonta subponderosa Dupuy, 1849
+ Anodonta anatina Dupuy, 1850
+ Anodonta ventricosa Dupuy, 1850
+ Anodonta arelatensis Dupuy, 1850
+ Anodonta scaldiana Dupuy, 1850
+ Anodonta moulinsiana Dupuy, 1850
+ Anodonta cellensis var. beringiana Middendorff, 1851
+ Anodonta crassa Zelebor, 1851
+ Anodonta grossa Gallenstein, 1852
+ Anodonta piscinalis Drouët, 1852
+ Anodonta parvula Drouët, 1852
+ Anodonta assimilis Gallenstein, 1852
+ Anodonta vetula Gallenstein, 1852
+ Anodonta deplanata Gallenstein, 1852
+ Anodonta fuscata Gallenstein, 1852
+ Anodonta latissima Gallenstein, 1852
+ Anodonta piscinalis var. anatinella Stabile, 1859
+ Anodonta piscinalis var. rostrata anom. contracta Stabile, 1859
+ Anodonta gougetana Ogérien, 1861
+ Anodonta psammita Bourguignat, 1862
+ Anodonta helvetica Bourguignat, 1862
+ Anodonta melinia Bourguignat, 1865
+ Anodonta cygnea rossmässleri Malzine, 1867
+ Anodonta pictetiana Brot, 1867
+ Anodonta corrosa Brusina, 1870
+ Anodonta minuta Villa, 1871
+ Anodonta limpida Clessin, 1874
+ Anodonta dalmatina Clessin, 1874
+ Anodonta maculata Bourguignat, 1881
+ Anodonta truncata Bourguignat, 1881
+ Anodonta depressa Drouët, 1883

Margaron (Anodonta) cylindracea (Lea)

Margaron (Anodonta) dactylus (Sow.)

Margaron (Anodonta) dahomeyensis (Lea)

Margaron (Anodonta) dallasiana (Lea)

Margaron (Anodonta) danielsii (Lea)

Margaron (Anodonta) dariensis (Lea)

Margaron (Anodonta) decora (Lea)
+ Anodon inornata J.G. Anthony, 1866

Margaron (Anodonta) denigrata (Lea)

Margaron (Anodonta) doliaris (Lea)

Margaron (Anodonta) dunlapiana (Lea)

Margaron (Anodonta) edentula (Say)
+ Anodon areolatus Swainson, 1829
+ Anodon unadilla DeKay, 1843
+ Alasmodon rhombica J.G. Anthony, 1865

Margaron (Anodonta) elongata (Swain.)

Margaron (Anodonta) ensiformis (Spix)

Margaron (Anodonta) exilis (Lea)
+ Anodonta polita Mousson, 1849
+ Anodonta siliqua Küster, 1853

Margaron (Anodonta) ferruginea (Lea)

Margaron (Anodonta) ferussaciana (Lea)

Margaron (Anodonta) fluviatilis (Dill., not Gmel.)
+ Mytilus illitus Lightfoot, 1786
+ Anodonta marginata Say, 1817
+ Anodonta cataracta Say, 1817
+ Anodonta teres Conrad, 1834

Margaron (Anodonta) footiana (Lea)
+ Anodon opalina J.G. Anthony, 1865
+ Anodon mcnielii J.G. Anthony, 1866

Margaron (Anodonta) forbesiana (Lea)

Margaron (Anodonta) fragilis (Lam.)
+ Anodon pallida J.G. Anthony, 1865
+ Anodon imbricata J.G. Anthony, 1865
+ Anodon flava J.G. Anthony, 1865
+ Anodon glandulosa J.G. Anthony, 1865
+ Anodon irisans J.G. Anthony, 1865
+ Anodonta subcarinata Currier, 1867

Margaron (Anodonta) georginæ (Gray)
+ Leila georgina Hupé, 1857

Margaron (Anodonta) gesnerii (Lea)

Margaron (Anodonta) gibba (Benson)

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

Margaron (Anodonta) gigantea (Lea)

Margaron (Anodonta) glauca (Valen.)
+ Anodon ovata Swainson, 1841

Margaron (Anodonta) globosa (Lea)

Margaron (Anodonta) gracilis (Lea)

Margaron (Anodonta) granadensis (Lea)

Margaron (Anodonta) grandis (Say)

Margaron (Anodonta) hallenbeckii (Lea)

Margaron (Anodonta) harpethensis (Lea)

Margaron (Anodonta) henryana (Lea)

Margaron (Anodonta) holtonis (Lea)

Margaron (Anodonta) imbecillis (Say)
+ Anodonta incerta Lea, 1834
+ Anodon horda Gould, 1855

Margaron (Anodonta) implicata (Say)
+ Anodonta newtonensis Lea, 1838
+ Anodonta excurvata DeKay, 1843
+ Anodonta housatonica Gould, 1848

Margaron (Anodonta) inæquivalva (Lea)

Margaron (Anodonta) jewettii [sic] (Lea)

Margaron (Anodonta) kennerlyi (Lea)

Margaron (Anodonta) kennicottii (Lea)

Margaron (Anodonta) lacustris (Lea)

Margaron (Anodonta) lato-marginata (Lea)
+ Anodonta exotica Cuvier, 1817
+ Anodon trapezeus Spix & Wagner, 1827
+ Anodonta membranacea d’Orbigny, 1846

Margaron (Anodonta) lenticularis (Lea)

Margaron (Anodonta) leonensis (Lea)

Margaron (Anodonta) leotaudi (Guppy)

Margaron (Anodonta) lewisii (Lea)

Margaron (Anodonta) limnoica (d’Orb.)

Margaron (Anodonta) lingulata (Hupé)

Margaron (Anodonta) linnæana (Lea)

Margaron (Anodonta) lucasi (Desh. More.)

Margaron (Anodonta) lucida (d’Orb.)

Margaron (Anodonta) luteola (Lea)

Margaron (Anodonta) magnifica (Lea)
+ Anodon rotundatus Swainson, 1841
+ Anodonta aurata Küster, 1853

Margaron (Anodonta) marryattana [sic] (Lea)
+ Anodon subinflata J.G. Anthony, 1865

Margaron (Anodonta) micans (Anth.)

Margaron (Anodonta) modesta (Lea)

Margaron (Anodonta) montezuma (Lea)

Margaron (Anodonta) moricandii (Lea)

Margaron (Anodonta) mortoniana (Lea)
+ Unio (Anodontes) chiquitana d’Orbigny, 1835
+ Craspedodonta smaragdina Anton, 1838

Margaron (Anodonta) napoensis (Lea)

Margaron (Anodonta) nopalatensis (Sow.)

Margaron (Anodonta) nuttalliana (Lea)

Margaron (Anodonta) oblita (Lea)

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

Margaron (Anodonta) obtusula (Hupé)

Margaron (Anodonta) ononensis [sic]
+ Anodon gigantea Gould, 1849

Margaron (Anodonta) opaca (Lea)

Margaron (Anodonta) oregonensis (Lea)
+ Anodon cognata Gould, 1850

Margaron (Anodonta) ovata (Lea)
+ Anodon subangulata J.G. Anthony, 1865

Margaron (Anodonta) pallegoixi (Cuming. Reeve)

Margaron (Anodonta) papyracea (Anth.)

Margaron (Anodonta) patagonica (Lam.)

Margaron (Anodonta) pavonia (Lea)

Margaron (Anodonta) pazii (Lea)

Margaron (Anodonta) pepiniana (Lea)

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

Margaron (Anodonta) plicata (Hald.)

Margaron (Anodonta) porcifer (Gray)

Margaron (Anodonta) puelchana (d’Orb.)

Margaron (Anodonta) purpurea (Valen.)

Margaron (Anodonta) radiatus (Spix)

Margaron (Anodonta) reticulata (Reeve)

Margaron (Anodonta) rotunda (Spix)

Margaron (Anodonta) rubicunda (Lea)

Margaron (Anodonta) salmonia (Lea)

Margaron (Anodonta) schrenkii
+ Anodonta magnifica Schrenck, 1867

Margaron (Anodonta) schröteriana (Lea)

Margaron (Anodonta) senegalensis (Lea)

Margaron (Anodonta) shafferiana [sic] (Lea)

Margaron (Anodonta) showalterii (Lea)

Margaron (Anodonta) simpsoniana (Lea)

Margaron (Anodonta) sinuosa (Lam.)
+ Anodon sinuosis Swainson, 1841

Margaron (Anodonta) sirionos (d’Orb.)
+ Unio (Anodontes) ferrarisii d’Orbigny, 1835

Margaron (Anodonta) solenidea (Sow.)

Margaron (Anodonta) soleniformis (d’Orb.)

Margaron (Anodonta) solidula (Deville and Hupé)

Margaron (Anodonta) spixii (d’Orb.)
+ Anodonta trapezium of Authors, date unknown

Margaron (Anodonta) stewartiana (Lea)

Margaron (Anodonta) strebellii [sic] (Lea)

Margaron (Anodonta) subcrassa (Lea)

Margaron (Anodonta) subcylindracea (Lea)

Margaron (Anodonta) subglobosa [sic] (Anth.)

Margaron (Anodonta) suborbiculata (Say)

Margaron (Anodonta) subvexa (Con.)

Margaron (Anodonta) tenebricosa (Lea)
+ Anodon tenebrosa Sowerby, 1867

Margaron (Anodonta) tenuis (Lea)

Margaron (Anodonta) tetragona (Lea)

Margaron (Anodonta) texasensis (Lea)

Margaron (Anodonta) tortilis (Lea)

Margaron (Anodonta) trapezialis [sic] (Lam.)
+ Anodonta trapezia of Authors, date unknown
+ Anodonta exotica Lamarck, 1819
+ Anodonta trapezialis Blainville, 1825
+ Anodon giganteus Spix & Wagner, 1827
+ Anodon susannae Griffith & Pidgeon, 1833
+ Anodon penicillatus Gray, 1834
+ Anodon ciconia Gould, 1851
+ Anodon blainvilleana Sowerby, 1867
+ Anodon subsinuatus Sowerby, 1867
+ Anodonta exotica Martens, 1868

Margaron (Anodonta) trautwiniana (Lea)

Margaron (Anodonta) trigona (Spix)

Margaron (Anodonta) tryonii (Lea)

Margaron (Anodonta) undulata (Say)
+ Alasmodonta marginata of Authors, date unknown
+ Anodonta pensylvanica Lamarck, 1819
+ Anodon rugosus Swainson, 1822
+ Anodonta undulata Hildreth, 1828

Margaron (Anodonta) uniopsis (Lam.)
+ Alasmodonta compressa of Authors, date unknown

Margaron (Anodonta) uruguayensis (Lea)

Margaron (Anodonta) vescoiana (Bourg.)

Margaron (Anodonta) virens (Lea)

Margaron (Anodonta) virgulata (Lea)

Margaron (Anodonta) wahlamatensis (Lea)
+ Anodonta triangularis Trask, 1855
+ Anodonta rotundovata Trask, 1855

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

Margaron (Anodonta) weddellii (Hupé)

Margaron (Anodonta) wheatleyi (Lea)

Margaron (Anodonta) williamsii (Lea)

Margaron (Anodonta) woodiana (Lea)

Margaron (Anodonta) wymanii (Lea)

Margaron (Anodonta) youkanensis (Lea)

Margaron (Columba) blainvilliana (Lea)
+ Anodon parishii Gray, 1834
+ Iridina trapezialis d’Orbigny, 1835
+ Anodon hians Sowerby, 1867
+ Anodon scriptus Sowerby, 1867

Margaron (Columba) esula (Jan.)
+ Leila castelnaudii Hupé, 1857
+ Leila pulvinata Hupé, 1857

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

Margaron (Dipsas) plicatus (Leach)
+ Anodon alatus of Authors, date unknown
+ Cristaria tuberculata Schumacher, 1817
+ Anodonta dipsas Blainville, 1825
+ Anodonta exotica Blainville, 1825
+ Symphynota bialata Lea, 1829
+ Dianisotis chinensis Rafinesque, 1831
+ Anodonta herculea Middendorff, 1848
+ Anodonta bellua Morelet, 1866

Margaron (Margaritana) alabamensis (Lea)

Margaron (Margaritana) arcula (Lea)

Margaron (Margaritana) calceola (Lea)
+ Unio triqueter Short & Eaton, 1831
+ Alasmidonta marginata Say, 1834
+ Alasmodonta truncata Conrad, 1834
+ Calceola angulata Swainson, 1840

Margaron (Margaritana) complanata (Bar.)
+ Alasmodon complanatus Sowerby, 1839

Margaron (Margaritana) confragosa (Say)

Margaron (Margaritana) connasaugaensis (Lea)

Margaron (Margaritana) curreyana [sic] (Lea)

Margaron (Margaritana) dehiscens (Say)
+ Unio oriens Lea, 1831

Margaron (Margaritana) deltoidea (Lea)

Margaron (Margaritana) elliottii (Lea)

Margaron (Margaritana) elliptica (Lea)

Margaron (Margaritana) fabula (Lea)

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

Margaron (Margaritana) gesnerii (Lea)

Margaron (Margaritana) hildrethiana (Lea)
+ Alasmodonta ambigua Say, 1825

Margaron (Margaritana) holstonia (Lea)
+ Unio holstonianus Hanley, 1843

Margaron (Margaritana) margaritifera (Lin.)
+ Dichonca crassissima Klein, 1753
+ Mya margaritifera Da Costa, 1778
+ Mya margaritifera Gmelin, 1791
+ Unio caroliniana Bosc, 1801
+ Margaritana fluviatilis Schumacher, 1817
+ Unio elongata Lamarck, 1819
+ Alasmodonta arcuata Barnes, 1823
+ Unio roissyi Michaud, 1831
+ Unio rivalis Lea, 1836
+ Unio batavus var. sinuatus Charpentier, 1837
+ Unio (Alasm.) dahuricus Middendorff, 1850
+ Alasmodon falcata Gould, 1850
+ Unio mongolicus Middendorff, 1851
+ Unio (Alasm.) complanatus Middendorff, 1851
+ Alasmodon yubaensis Trask, 1855

Margaron (Margaritana) marginata (Say)
+ Unio cariosa Lamarck, 1819
+ Unio varicosa Lamarck, 1819
+ Unio rugulosus Wood, 1828
+ Alasmodonta truncata Lea, 1836
+ Alasmodon marginata DeKay, 1843
+ Alasmodon corrugata DeKay, 1843
+ Margaritana marginata Küster, 1862

Margaron (Margaritana) minor (Lea)

Margaron (Margaritana) pfeifferiana (Bern.)

Margaron (Margaritana) quadrata (Lea)

Margaron (Margaritana) radiata (Con.)

Margaron (Margaritana) raveneliana (Lea)
+ Unio swananoensis Hanley, 1843

Margaron (Margaritana) rugosa (Bar.)
+ Alasmodonta abducta Lea, 1836

Margaron (Margaritana) spillmanii (Lea)

Margaron (Margaritana) tombigbéensis (Lea)

Margaron (Margaritana) triangulata (Lea)

Margaron (Margaritana) undulata (Say)
+ Unio glabratus Sowerby & Sowerby, 1823
+ Unio hians Valenciennes, 1827
+ Alasmodonta sculptilis Say, 1829
+ Uniopsis radiata Swainson, 1840

Margaron (Margaritana) vignouana (Bern.)

Margaron (Monocondylœa) [sic] bonellii (Fér.)
+ Unio depressa C. Pfeiffer, 1825
+ Alasmodonta compressa Menke, 1830

Margaron (Monocondylœa) [sic] cambodjensis (Petit)

Margaron (Monocondylœa) [sic] compressa (Lea)

Margaron (Monocondylœa) [sic] corrientesensis (d’Orb.)

Margaron (Monocondylœa) [sic] costulata (Mori.)

Margaron (Monocondylœa) [sic] crebristriata (Anth.)

Margaron (Monocondylœa) [sic] cumingii (Lea)
+ Pseudodon ellipticum Conrad, 1865

Margaron (Monocondylœa) [sic] fossiculifera (d’Orb.)

Margaron (Monocondylœa) [sic] franciscana (Mori.)

Margaron (Monocondylœa) [sic] guarayana (d’Orb.)

Margaron (Monocondylœa) [sic] inoscularis (Gould)

Margaron (Monocondylœa) [sic] lentiformis (Lea)

Margaron (Monocondylœa) [sic] mardinensis (Lea)

Margaron (Monocondylœa) [sic] minuana (d’Orb.)

Margaron (Monocondylœa) [sic] mouhotiana [sic] (Lea)

Margaron (Monocondylœa) [sic] paraguayana (d’Orb.)

Margaron (Monocondylœa) [sic] parchappii (d’Orb.)

Margaron (Monocondylœa) [sic] pazii (Lea)

Margaron (Monocondylœa) [sic] peguensis (Anth.)

Margaron (Monocondylœa) [sic] planulata (Lea)

Margaron (Monocondylœa) [sic] reticulata (Mori.)

Margaron (Monocondylœa) [sic] rhomboidea (Lea)
+ Unio euphraticus Bourguignat, 1852
+ Unio opperti Bourguignat, 1856
+ Unio churchillianus Bourguignat, 1857

Margaron (Monocondylœa) [sic] salweniana (Gould)

Margaron (Monocondylœa) [sic] saulcyi (Bourg.)
+ Unio michonii Bourguignat, 1852
+ Unio tripolitanus Bourguignat, 1852

Margaron (Monocondylœa) [sic] vondembuschiana (Lea)
+ Alasmodonta zollingeri Mousson, 1849
+ Alasmodonta crispata Mousson, 1849
+ Margaritana fragilis Küster, 1862

Margaron (Monocondylœa) [sic] wheatleyi (Lea)

Margaron (Plagiodon) isocardioides (Lea)

Margaron (Prisodon) duprei (Recluz)
+ Castalia dolabella Sowerby, 1869

Margaron (Prisodon) nodulosus (Wood)
+ Chama plumbea Chemnitz, 1795

Margaron (Prisodon) truncatus (Schum.)
+ Castalia castelnauii of Authors, date unknown
+ Castalia ambigua Lamarck, 1819
+ Unio ambiguus Sowerby & Sowerby, 1823
+ Unio ambigua Blainville, 1825
+ Unio pectinatus Spix & Wagner, 1827
+ Castalia quadrilatera d’Orbigny, 1835
+ Castalia inflata d’Orbigny, 1835
+ Castalia cordata Swainson, 1840
+ Castalia turgida Hupé, 1857
+ Castalia retusa Hupé, 1857
+ Castalia acuticosta Hupé, 1857
+ Castalia multisulcata Hupé, 1857
+ Castalia crosseana Hidalgo, 1865
+ Castalia ambigua Sowerby, 1869
+ Castalia schombergiana Sowerby, 1869
+ Castalia ovata Sowerby, 1869
+ Castalia hanleyana Sowerby, 1869
+ Castalia carolinensis Sowerby, 1869
+ Castalia quadrata Sowerby, 1869

Margaron (Triquetra) browniana (Lea)
+ Hyria humilis Troschel, 1847

Margaron (Triquetra) contorta (Lea)
+ Triquetra lanceolata Lea, 1856

Margaron (Triquetra) corrugata (Lam.)
+ Paxyodon ponderosus Schumacher, 1817
+ Hyria rugosa Bory de St. Vincent, 1827
+ Unio rugosus Spix & Wagner, 1827
+ Mya angulata Wood, 1828
+ Hyria rosea Lea, 1852
+ Hyria transversa Hupé, 1857
+ Hyria exasperata Sowerby, 1869
+ Hyria latialata Sowerby, 1869
+ Hyria rugosissima Sowerby, 1869

Margaron (Triquetra) subviridis (Klein)
+ Mya syrmatophora Gmelin, 1791
+ Prisodon obliquus Schumacher, 1817
+ Hyria avicularis Lamarck, 1819
+ Unio corrugata Blainville, 1825
+ Unio caudatus Spix & Wagner, 1827
+ Diplodon furcatum Spix & Wagner, 1827
+ Hyria cordata Menke, 1828
+ Hyria elongata Swainson, 1841
+ Hyria complanata Hupé, 1857
+ Hyria castelnaudii Hupé, 1857
+ Hyria recta Sowerby, 1869
+ Hyria alata Sowerby, 1869

Margaron (Unio) abacus (Hald.)

Margaron (Unio) abbevillensis (Lea)

Margaron (Unio) aberrans (Lea)

Margaron (Unio) aberti (Conrad)
+ Unio lamarckianus Lea, 1852

Margaron (Unio) acutirostris (Lea)

Margaron (Unio) acutissimus (Lea)

Margaron (Unio) aferulus (Lea)

Margaron (Unio) affinis (Lea)

Margaron (Unio) africanus (Lea)

Margaron (Unio) aheneus (Lea)

Margaron (Unio) alatus (Say)

Margaron (Unio) altilis (Con.)

Margaron (Unio) amabilis (Lea)

Margaron (Unio) ampullaceus (Lea)

Margaron (Unio) amygdalum (Lea)

Margaron (Unio) amœnus (Lea)

Margaron (Unio) anaticulus (Lea)

Margaron (Unio) angustatus (Lea)

Margaron (Unio) angustus (Lam.)

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

Margaron (Unio) anthonyi (Lea)

Margaron (Unio) apicinus (Lea)

Margaron (Unio) apiculatus (Say)

Margaron (Unio) apprimus (Lea)

Margaron (Unio) approximus (Lea)

Margaron (Unio) aquilus (Lea)

Margaron (Unio) aratus (Lea)

Margaron (Unio) araucanus (Phili.)

Margaron (Unio) arctatus (Con.)

Margaron (Unio) arctior (Lea)

Margaron (Unio) arcus (Con.)

Margaron (Unio) argenteus (Lea)

Margaron (Unio) arkansasensis (Lea)

Margaron (Unio) aræformis (Lea)
+ Unio nexus Say, 1831

Margaron (Unio) asper (Lea)

Margaron (Unio) asperatus (Lea)

Margaron (Unio) asperrimus (Lea)
+ Unio quadrulus Say, 1834
+ Unio nobilis Conrad, 1854

Margaron (Unio) asperulus (Lea)

Margaron (Unio) atratus (Sow.)
+ Unio (Niaa) atrata Swainson, 1823
+ Unio chilensis Gray, 1828
+ Unio molinae Philippi, 1847

Margaron (Unio) atrocostatus (Lea)

Margaron (Unio) atromarginatus (Lea)

Margaron (Unio) aucklandicus (Gray)

Margaron (Unio) auratus (Swain.)
+ Unio obtusa d’Orbigny, 1835
+ Unio depressa d’Orbigny, 1835
+ Unio gassiei Küster, 1856
+ Unio chiloensis Küster, 1861
+ Unio fragilis Reeve, 1865

Margaron (Unio) aureus (Lea)

Margaron (Unio) australis (Lam.)
+ Unio australis Philippi, 1848

Margaron (Unio) averyi (Lea)

Margaron (Unio) aztecorum (Phili.)

Margaron (Unio) bagdadensis (Bourg.)

Margaron (Unio) bairdianus (Lea)

Margaron (Unio) baldwinensis (Lea)

Margaron (Unio) barnesianus (Lea)

Margaron (Unio) barrattii (Lea)

Margaron (Unio) batavus (Mat. & Ract.)
+ Mya ovalis Lightfoot, 1786
+ Mya pictorum Gmelin, 1791
+ Unio pictorum Draparnaud, 1806
+ Unio planus Studer, 1820
+ Unio dilatatus Studer, 1820
+ Unio riparia Pfeiffer, 1821
+ Unio ater Nilsson, 1822
+ Unio rubens Menke, 1828
+ Unio rugatus Menke, 1828
+ Unio badius Kokeil, 1831
+ Unio labacensis Rossmässler, 1835
+ Unio decurvatus Rossmässler, 1835
+ Unio vitreus 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
+ Unio atrovirens Rossmässler, 1836
+ Unio piscinalis Rossmässler, 1836
+ Unio batavus var. sinuatus Charpentier, 1837
+ Unio bandinii Rossmässler, 1837
+ Unio subdentatus Rossmässler, 1837
+ Unio pruinosus J.F. Schmidt, 1840
+ Unio moquinianus Dupuy, 1843
+ Unio hispanus Rossmässler, 1844
+ Unio sandrii Rossmässler, 1844
+ Unio tristis Morelet, 1845
+ Unio retzii C.B. Adams, 1847
+ Unio moulinsianus Dupuy, 1851
+ Unio argens Lea, 1852
+ Unio kurrii Lea, 1852
+ Unio nessorhynchus Küster, 1854
+ Unio merdiger Reeve, 1865
+ Unio maccarthyanus Bourguignat, 1866
+ Unio byzantinus Drouët, 1879
+ Unio destructilis Kobelt, 1915

Margaron (Unio) beadleianus (Lea)

Margaron (Unio) bealei (Lea)

Margaron (Unio) beaverensis (Lea)

Margaron (Unio) bengalensis (Lea)
+ Unio verecundus Gould, 1850
+ Anodonta chinensis Küster, 1853

Margaron (Unio) bensonii Lea
+ Anodonta soleniformis Benson, 1836

Margaron (Unio) berlandierii (Lea)

Margaron (Unio) beskeanus [sic] (Dünk.) [sic]

Margaron (Unio) biangulatus (Lea)

Margaron (Unio) biemarginatus (Lea)

Margaron (Unio) bigbyensis (Lea)

Margaron (Unio) bilineatus (Lea)

Margaron (Unio) binneyi (Lea)

Margaron (Unio) bissellianus [sic] (Lea)

Margaron (Unio) blandianus (Lea)

Margaron (Unio) blandingianus (Lea)
+ Unio rivicolus Conrad, 1868

Margaron (Unio) bonneaudii (Eyd.)

Margaron (Unio) bourguignatianus (Lea)

Margaron (Unio) bournianus (Lea)

Margaron (Unio) boydianus (Lea)

Margaron (Unio) boykinianus (Lea)

Margaron (Unio) bracteatus (Gould)

Margaron (Unio) brazosensis (Lea)

Margaron (Unio) brevidens (Lea)

Margaron (Unio) brownii (Lea)

Margaron (Unio) bruguierianus (Bourg.)

Margaron (Unio) brumbyanus (Lea)

Margaron (Unio) bucklyi [sic] (Lea)

Margaron (Unio) buddianus (Lea)

Margaron (Unio) bulbosus (Lea)

Margaron (Unio) bulloides (Lea)

Margaron (Unio) burkensis (Lea)

Margaron (Unio) burroughianus (Lea)
+ Unio burroughianus d’Orbigny, 1835

Margaron (Unio) burtoni (Woodw.)

Margaron (Unio) buxeus (Lea)

Margaron (Unio) cacao (Lea)

Margaron (Unio) caffer (Krauss)

Margaron (Unio) cailliaudii Fer. H. Adams
+ Unio lithophagus Philippi, 1847
+ Unio teretiusculus Philippi, 1847

Margaron (Unio) caldwellii (Lea)

Margaron (Unio) calliginosus [sic] (Lea)

Margaron (Unio) callosus (Lea)

Margaron (Unio) cambodiensis (Lea)

Margaron (Unio) camelopardilis (Lea)

Margaron (Unio) camelus (Lea)

Margaron (Unio) camptodon (Say)
+ Unio declivis Conrad, 1836
+ Unio sayii Tappan, 1839
+ Unio rhomboidius Lea, 1852
+ Unio subcroceus Conrad, 1854
+ Unio electrinus Reeve, 1865

Margaron (Unio) canadensis (Lea)

Margaron (Unio) capax (Green)
+ Symphynota globosa Lea, 1834
+ Unio ventricosus Sowerby, 1866

Margaron (Unio) caperatus (Lea)
+ Unio abacoides Haldeman, 1846

Margaron (Unio) capsæformis (Lea)

Margaron (Unio) cariosus (Say)
+ Unio ovatus Valenciennes, 1827
+ Unio cariosus DeKay, 1843
+ Unio oratus Conrad, 1849

Margaron (Unio) casablancæ [sic] (Phili.)

Margaron (Unio) castaneus (Lea)

Margaron (Unio) castus (Lea)

Margaron (Unio) catawbensis (Lea)

Margaron (Unio) charlottensis (Lea)

Margaron (Unio) charruanus (d’Orb.)

Margaron (Unio) chathamensis (Lea)

Margaron (Unio) chattanoogaensis (Lea)

Margaron (Unio) chickasawhensis (Lea)

Margaron (Unio) childreni (Gray)

Margaron (Unio) chinensis (Lea)

Margaron (Unio) chunii (Lea)

Margaron (Unio) cicur (Lea)

Margaron (Unio) cincinnatiensis (Lea)

Margaron (Unio) cinnamomicus (Lea)

Margaron (Unio) circulus (Lea)
+ Unio rotundus Wood, 1828

Margaron (Unio) cistellæformis (Lea)

Margaron (Unio) claibornensis (Lea)

Margaron (Unio) clarkianus (Lea)

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

Margaron (Unio) clinchensis (Lea)

Margaron (Unio) coccineus (Lea)
+ Unio coccineus Conrad, 1836
+ Unio catillus Conrad, 1836
+ Unio cuneus Conrad, 1838

Margaron (Unio) cognatus (Lea)

Margaron (Unio) collinus (Con.)

Margaron (Unio) coloradoensis (Lea)

Margaron (Unio) columbensis (Lea)

Margaron (Unio) compactus (Lea)

Margaron (Unio) complanata (Solan.)
+ 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
+ Unio tortuosus Sowerby, 1868

Margaron (Unio) compressissimus (Lea)

Margaron (Unio) concavus (Lea)

Margaron (Unio) concestator (Lea)

Margaron (Unio) concolor (Lea)

Margaron (Unio) confertus (Lea)

Margaron (Unio) congaræus (Lea)

Margaron (Unio) conradianus [sic] (Lea)

Margaron (Unio) consanguineus (Lea)

Margaron (Unio) consobrinus (Lea)

Margaron (Unio) constrictus (Con.)

Margaron (Unio) contiguus (Lea)

Margaron (Unio) contractus (Lea)

Margaron (Unio) contradens (Lea)
+ Unio javanus Lea, 1840
+ Unio exilis Dunker, 1846
+ Unio mutatus Mousson, 1849

Margaron (Unio) cooperianus (Lea)

Margaron (Unio) copei (Lea)

Margaron (Unio) cor (Con.)

Margaron (Unio) corbis (Benson)

Margaron (Unio) cornutus (Bar.)
+ Obliquaria (Quadrula) reflexa Rafinesque, 1820
+ Unio torulosus Short & Eaton, 1831

Margaron (Unio) corrianus (Lea)

Margaron (Unio) corrugatus (Retzius)
+ Mya rugosa Gmelin, 1791
+ Mya nodosa Gmelin, 1791
+ Mya spuria Gmelin, 1791
+ Mya gaditana Schreibers, 1793
+ Unio corrugata Bruguière, 1797
+ Unio spuria Lamarck, 1819
+ Unio triradiata Lea, 1836
+ Mysca (Potomida) corrugata Swainson, 1840
+ Unio fulmineus Philippi, 1847

Margaron (Unio) coruscus (Gould)

Margaron (Unio) corvinus (Lea)

Margaron (Unio) corvunculus (Lea)

Margaron (Unio) corvus (Lea)

Margaron (Unio) couchianus (Lea)

Margaron (Unio) crapulus (Lea)

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

Margaron (Unio) crassus (Retz.)
+ Unio araris of Authors, date unknown
+ Unio auricularius Spengler, 1793
+ Unio margaritifera Draparnaud, 1801
+ Unio rugosa Poiret, 1801
+ Unio sinuata Lamarck, 1819
+ Unio crassus Nilsson, 1822
+ Margarita (Unio) crassissimus Lea, 1836
+ Unio sinuatus Rossmässler, 1836
+ Unio barraudii Bonhomme, 1840
+ Unio crassissimus Hanley, 1843

Margaron (Unio) crebrivittatus (Lea)

Margaron (Unio) creperus (Lea)

Margaron (Unio) crispatus (Gould)

Margaron (Unio) crispisulcatus (Ben.)

Margaron (Unio) crocatus (Lea)

Margaron (Unio) cromwellii (Lea)

Margaron (Unio) cucumoides (Lea)
+ Unio cumingianus Dunker, 1852

Margaron (Unio) cultelliformis (Con.)

Margaron (Unio) cumberlandicus (Lea)

Margaron (Unio) cumingii (Lea)

Margaron (Unio) cuneolus (Lea)

Margaron (Unio) cuprinus (Lea)
+ Unio metallicus Say, 1831
+ Unio aereus Reeve, 1865

Margaron (Unio) curatus (Lea)

Margaron (Unio) curtus (Lea)

Margaron (Unio) cuvierianus (Lea)

Margaron (Unio) cylindrellus (Lea)

Margaron (Unio) cylindricus (Say)
+ Unio naviformis Lamarck, 1819

Margaron (Unio) cyrenoides (Phili.)

Margaron (Unio) cælatus (Con.)

Margaron (Unio) cæruleus (Lea)
+ Unio gerbidoni Eydoux, 1838

Margaron (Unio) dactylus (Lea)

Margaron (Unio) damascensis (Lea)

Margaron (Unio) dariensis (Lea)

Margaron (Unio) datus (Lea)

Margaron (Unio) decisus (Lea)
+ Unio decisus Küster, 1852

Margaron (Unio) declivis (Say)
+ Unio geometricus Lea, 1834
+ Unio excultus Conrad, 1838

Margaron (Unio) decoratus (Lea)

Margaron (Unio) decumbens (Lea)

Margaron (Unio) delesserti (Bourg.)

Margaron (Unio) delicatus (Lea)

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

Margaron (Unio) delphinulus (More.)

Margaron (Unio) delphinus (Grun.)

Margaron (Unio) demeraraensis (Lea)
+ Unio demararaensis Lea, 1859

Margaron (Unio) denigratus (Lea)

Margaron (Unio) depressus (Lam.)
+ Unio depressa Lesson, 1830
+ Unio ambiguus Philippi, 1847
+ Unio balonnensis Conrad, 1850
+ Unio profugus Gould, 1850
+ Unio angasi Sowerby, 1867

Margaron (Unio) deviatus (Anthony)

Margaron (Unio) difficilis (Lea)

Margaron (Unio) dignatus (Lea)

Margaron (Unio) diminutus (Lea)

Margaron (Unio) dimotus (Lea)
+ Unio sumatrensis Lea, 1859

Margaron (Unio) discrepans (Lea)

Margaron (Unio) disculus (Lea)

Margaron (Unio) discus (Lea)
+ Unio panacoensis Philippi, 1843
+ Unio mexicanus Sowerby, 1867

Margaron (Unio) dispar (Lea)

Margaron (Unio) divaricatus (Lea)

Margaron (Unio) dolabræformis (Lea)

Margaron (Unio) doliaris (Lea)

Margaron (Unio) dollabelloides [sic] (Lea)

Margaron (Unio) dolosus (Lea)

Margaron (Unio) donaciformis (Lea)

Margaron (Unio) dorfeuillianus (Lea)

Margaron (Unio) dorsatus (Lea)

Margaron (Unio) downiei (Lea)

Margaron (Unio) dromas (Lea)

Margaron (Unio) dunkerianus (Lea)

Margaron (Unio) durieui (Desh.)

Margaron (Unio) duttonianus (Lea)

Margaron (Unio) dysonii (Lea)

Margaron (Unio) ebenus (Lea)
+ Unio mytiloides Deshayes, 1830

Margaron (Unio) edgarianus (Lea)

Margaron (Unio) effulgens (Lea)

Margaron (Unio) egyptiacus [sic] (Caill.)
+ Unio eucyphus Bourguignat, 1857

Margaron (Unio) eightsii (Lea)

Margaron (Unio) elegans (Lea)
+ Unio truncatus Say, 1834

Margaron (Unio) elliottii (Lea)

Margaron (Unio) ellipsis (Lea)
+ Unio brevialis Sowerby & Sowerby, 1823

Margaron (Unio) ellipticus (Spix)
+ Diplodon ellypticum Spix & Wagner, 1827
+ Unio multistriatus Lea, 1831
+ Unio psammactinus Philippi, 1848

Margaron (Unio) elongatulus (Pfeif.)
+ Unio gargottae Philippi, 1836
+ Unio aradae Philippi, 1844

Margaron (Unio) emarginatus (Lea)

Margaron (Unio) emesaensis (Lea)

Margaron (Unio) emmonsii (Lea)

Margaron (Unio) encarpus (Lea)

Margaron (Unio) errans (Lea)

Margaron (Unio) estabrookianus (Lea)
+ Unio striatissimus J.G. Anthony, 1865

Margaron (Unio) eucirrus (Bourg.)

Margaron (Unio) evansi (Ad. & An.)

Margaron (Unio) evitatus (Lea)

Margaron (Unio) exactus (Lea)

Margaron (Unio) excavatus (Lea)

Margaron (Unio) exiguus (Lea)

Margaron (Unio) eximius (Lea)

Margaron (Unio) exolescens (Gould)

Margaron (Unio) extensus (Lea)

Margaron (Unio) faba (d’Orb.)

Margaron (Unio) fabaceus (Lea)

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

Margaron (Unio) fallax (Lea)

Margaron (Unio) famelicus (Gould)

Margaron (Unio) fascinans [sic] (Lea)

Margaron (Unio) fatuus (Lea)

Margaron (Unio) favidens (Ben.)
+ Unio trirostris Sowerby, 1868

Margaron (Unio) favosus (Lea)

Margaron (Unio) fellmani [sic] (Desh.)

Margaron (Unio) ferussacianus (Lea)

Margaron (Unio) fibuloides (Lea)

Margaron (Unio) firmus (Lea)

Margaron (Unio) fisherianus (Lea)

Margaron (Unio) flavescens (Lea)

Margaron (Unio) flavidulus (Lea)

Margaron (Unio) florentinus (Lea)
+ Unio sacculus Reeve, 1864

Margaron (Unio) floridensis (Lea)

Margaron (Unio) fluctiger (Lea)

Margaron (Unio) foliaceus (Gould)

Margaron (Unio) foliatus (Hild.)
+ Unio flexuosus Conrad, 1835

Margaron (Unio) folliculatus (Lea)

Margaron (Unio) fontainianus (d’Orb.)

Margaron (Unio) forbesianus (Lea)

Margaron (Unio) foremanianus (Lea)
+ Unio velatus Conrad, 1854

Margaron (Unio) forsheyi (Lea)

Margaron (Unio) fragosus (Con.)

Margaron (Unio) fraternus (Lea)

Margaron (Unio) fucatus (Lea)

Margaron (Unio) fulgidus (Lea)

Margaron (Unio) fuliginosus (Lea)

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

Margaron (Unio) fumatus (Lea)

Margaron (Unio) funebralis (Lea)

Margaron (Unio) fuscatus (Lea)

Margaron (Unio) gabbianus (Lea)

Margaron (Unio) gabonensis (Küst.)

Margaron (Unio) gastonensis (Lea)

Margaron (Unio) gaudechaudii [sic] (Eyd.)

Margaron (Unio) geddingsianus (Lea)

Margaron (Unio) geminus (Lea)

Margaron (Unio) generosus (Gould)

Margaron (Unio) genthii (Lea)

Margaron (Unio) genuinus (Lea)

Margaron (Unio) georgianus (Lea)

Margaron (Unio) gerhardtii (Lea)

Margaron (Unio) germanus (Lea)

Margaron (Unio) gibber (Lea)

Margaron (Unio) gibbesianus (Lea)

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

Margaron (Unio) gigas (Swain.)

Margaron (Unio) glaber (Lea)

Margaron (Unio) glandaceus (Lea)

Margaron (Unio) glans (Lea)

Margaron (Unio) goascoranensis (Lea)

Margaron (Unio) gontierii (Bourg.)

Margaron (Unio) gouldii (Lea)

Margaron (Unio) gracilentus (Lea)

Margaron (Unio) gracilior (Lea)

Margaron (Unio) gracilis (Barnes)
+ Unio planus Barnes, 1823
+ Unio fragilis Swainson, 1823
+ Mya plana Eaton, 1826

Margaron (Unio) granadensis (Lea)

Margaron (Unio) grandidens (Lea)

Margaron (Unio) graniferus (Lea)

Margaron (Unio) granosus (Brug.)

Margaron (Unio) granulatus (Lea)

Margaron (Unio) gratiosus (Phili.)

Margaron (Unio) gratus (Lea)

Margaron (Unio) gravidus (Lea)
+ Unio abnormis Morelet, 1862

Margaron (Unio) grayanus (Lea)
+ Unio grayii Griffith & Pidgeon, 1833

Margaron (Unio) greenii (Han. Con.)

Margaron (Unio) griffithianus (Lea)

Margaron (Unio) habetatus [sic] (Con.)

Margaron (Unio) hainesianus (Lea)
+ Unio imperialis Morelet, 1862

Margaron (Unio) haleianus (Lea)

Margaron (Unio) hallenbeckii (Lea)

Margaron (Unio) hanleyianus (Lea)

Margaron (Unio) hartmanianus (Lea)

Margaron (Unio) haysianus (Lea)

Margaron (Unio) hazlehurstianus [sic] (Lea)

Margaron (Unio) hebes (Lea)

Margaron (Unio) heermannii (Lea)

Margaron (Unio) hembeli (Con.)

Margaron (Unio) hepaticus (Lea)

Margaron (Unio) heterodon (Lea)

Margaron (Unio) higginsii (Lea)

Margaron (Unio) hippopæus [sic] (Lea)

Margaron (Unio) holstonensis (Lea)

Margaron (Unio) homsensis (Lea)

Margaron (Unio) hopetonensis (Lea)

Margaron (Unio) housei (Lea)

Margaron (Unio) houstonensis (Lea)

Margaron (Unio) humerosus (Lea)

Margaron (Unio) humilis (Lea)

Margaron (Unio) hyalinus (Lea)

Margaron (Unio) hydianus (Lea)

Margaron (Unio) hylæus (d’Orb.)
+ Unio guaraniana d’Orbigny, 1835

Margaron (Unio) incrassatus (Lea)

Margaron (Unio) indefinitus (Lea)

Margaron (Unio) indicus (Sow.)

Margaron (Unio) ineptus (Lea)

Margaron (Unio) inflatus (Lea)
+ Unio alabamensis Conrad, 1834

Margaron (Unio) infucatus (Con.)
+ Unio securiformis Conrad, 1849

Margaron (Unio) ingallsianus (Lea)

Margaron (Unio) inornatus (Lea)

Margaron (Unio) instructus (Lea)

Margaron (Unio) insulsus (Lea)

Margaron (Unio) intercedens (Lea)

Margaron (Unio) intermedius (Con.)

Margaron (Unio) interruptus (Lea)
+ Unio taeniatus Conrad, 1834
+ Unio latiradiatus Conrad, 1838

Margaron (Unio) interventus (Lea)

Margaron (Unio) inusitatus [sic] (Lea)

Margaron (Unio) involutus (Hanley. Reeve)

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

Margaron (Unio) irrasus (Lea)

Margaron (Unio) irroratus (Lea)
+ Unio verrucosus albus Hildreth, 1828
+ Unio stegarius Say, 1834

Margaron (Unio) jamesianus (Lea)

Margaron (Unio) japanensis (Lea)

Margaron (Unio) jaspideus (Hupé)

Margaron (Unio) jayanus [sic] (Lea)

Margaron (Unio) jejunus (Lea)

Margaron (Unio) jewettii (Lea)

Margaron (Unio) johannis (Lea)

Margaron (Unio) jonesii (Lea)

Margaron (Unio) jordanicus (Bourg.)
+ Unio grelloisianus Bourguignat, 1856

Margaron (Unio) keraudreni (Eyd.)

Margaron (Unio) kienerianus (Lea)

Margaron (Unio) kirkii (Lea)

Margaron (Unio) kirtlandianus (Lea)

Margaron (Unio) kleinianus (Lea)
+ Unio liratus Shuttleworth, 1852

Margaron (Unio) kraussii (Lea)
+ Castalia sulcata Krauss, 1848

Margaron (Unio) kullethensis (Lea)

Margaron (Unio) lacrymosus (Lea)
+ Unio quadratus Reeve, 1864

Margaron (Unio) lamellatus (Lea)

Margaron (Unio) lampreyanus (Baird & Adams)

Margaron (Unio) lanceolatus (Lea)

Margaron (Unio) laosensis (Lea)

Margaron (Unio) laticostatus [sic] (Lea)

Margaron (Unio) latus (Lea)

Margaron (Unio) layardii (Lea)

Margaron (Unio) lazarus (Lea)

Margaron (Unio) leaii (Gray)
+ Unio nodulosus Reeve, 1864

Margaron (Unio) lecontianus (Lea)
+ Unio contrarius Conrad, 1849

Margaron (Unio) legubris [sic] (Lea)

Margaron (Unio) leibii (Lea)

Margaron (Unio) lenior (Lea)

Margaron (Unio) lens (Lea)
+ Unio depygis Conrad, 1866

Margaron (Unio) lepidior Lea
+ Unio lepidus Lea, 1860

Margaron (Unio) lepidus (Gould)

Margaron (Unio) lesleyi (Lea)

Margaron (Unio) lesueurianus (Lea)

Margaron (Unio) lewisii (Lea)

Margaron (Unio) liebmanni (Phili.)

Margaron (Unio) lienosus (Con.)

Margaron (Unio) ligamentinus (Lam.)
+ Unio crassus Say, 1817
+ Unio ellipticus Barnes, 1823
+ Unio carinatus Barnes, 1823
+ Mya gravis Wood, 1828
+ Unio fasciatus Conrad, 1835

Margaron (Unio) limatulus (Con.)

Margaron (Unio) lincecumii (Lea)

Margaron (Unio) lindsleyi (Lea)

Margaron (Unio) lineatus (Lea)

Margaron (Unio) linguæformis (Lea)

Margaron (Unio) litoralis [sic] (Drap.)
+ Mya ovata Donovan, 1802
+ Unio granosus Schumacher, 1817
+ Unio brevialis Lamarck, 1819
+ Unio nana Lamarck, 1819
+ Unio litoralis Pfeiffer, 1821
+ Unio subtetragonus Michaud, 1831
+ Unio incurvus Lea, 1831
+ Unio pianensis Boubée, 1833
+ Unio cuneatus Jacquemin, 1835
+ Unio brunneus Bonhomme, 1840
+ Unio litoralis var. umbonatus Rossmässler, 1844
+ Unio wolwichii Morelet, 1845
+ Unio astierianus Dupuy, 1849
+ Unio rhomboideus Moquin-Tandon, 1855
+ Unio litoralis Mousson, 1861
+ Unio valentianus Sowerby, 1866

Margaron (Unio) livingstonensis (Lea)

Margaron (Unio) locellus (Lea)

Margaron (Unio) lucidus (Lea)

Margaron (Unio) lunifer [sic] (Bourg.)

Margaron (Unio) luridus (Lea)

Margaron (Unio) luteolus (Lam.)
+ Unio siliquoideus Barnes, 1823
+ Unio inflatus Barnes, 1823
+ Unio melinus Conrad, 1838
+ Unio rosaceus DeKay, 1843
+ Unio siliquoides Küster, 1848

Margaron (Unio) luteus (Lea)

Margaron (Unio) lutulentus (Gould)

Margaron (Unio) lyonii (Lea)

Margaron (Unio) lævissimus (Lea)
+ Unio discoideus Sowerby, 1866

Margaron (Unio) macer (Lea)

Margaron (Unio) maconensis (Lea)

Margaron (Unio) macrodon (Lea)

Margaron (Unio) maculatus (Con.)

Margaron (Unio) manubius (Gould)

Margaron (Unio) mardinensis (Lea)

Margaron (Unio) marginalis (Lam.)
+ Unio groenlandicus Schröter, 1779
+ Unio testudinarius Spengler, 1793
+ Unio anodontina Lamarck, 1819
+ Unio evanescens Mousson, 1849

Margaron (Unio) marginis (Lea)

Margaron (Unio) masoni (Con.)

Margaron (Unio) mauritianus (Lea)

Margaron (Unio) mecklenbergensis (Lea)

Margaron (Unio) medellinus (Lea)
+ Unio purpuriatus Say, 1831

Margaron (Unio) mediocris (Lea)

Margaron (Unio) medius (Lea)

Margaron (Unio) melleus (Lea)

Margaron (Unio) membranaceus (Mat.)
+ Unio matoniana d’Orbigny, 1835
+ Unio membranacea Hanley, 1843
+ Unio subtrapezius Philippi, 1847

Margaron (Unio) menkianus (Lea)

Margaron (Unio) menzieni [sic] (Gray)

Margaron (Unio) mercerii (Lea)

Margaron (Unio) meredithii (Lea)

Margaron (Unio) merus (Lea)

Margaron (Unio) metanevrus (Raf.)
+ Unio nodosus Barnes, 1823
+ Unio rugosus Barnes, 1823
+ Unio metanever Lea, 1829
+ Unio metaneurus Herrmannsen, 1849

Margaron (Unio) mexicanus (Phili.)

Margaron (Unio) micans (Lea)

Margaron (Unio) minor (Lea)

Margaron (Unio) mississippiensis (Con.)
+ Unio cocoduensis Reeve, 1865

Margaron (Unio) modestus (Fer.)

Margaron (Unio) modicellus (Lea)

Margaron (Unio) modicus (Lea)

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

Margaron (Unio) monodontus (Say)
+ Unio soleniformis Lea, 1831

Margaron (Unio) monroensis (Lea)

Margaron (Unio) mooresianus (Lea)

Margaron (Unio) moreleti (Desh.)

Margaron (Unio) morotonicus [sic] (Reeve)

Margaron (Unio) mosulensis (Lea)

Margaron (Unio) moussonianus (Lea)

Margaron (Unio) multidentatus (Phili.)

Margaron (Unio) multiplicatus (Lea)
+ Unio heros Say, 1829
+ Unio undulatus Say, 1831
+ Unio atrocostatus Reeve, 1864

Margaron (Unio) multiradiatus (Lea)
+ Lampsilis fasciola Rafinesque, 1820
+ Unio fasciolus Say, 1834
+ Unio ligamentinus Deshayes, 1835

Margaron (Unio) mundus (Lea)

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

Margaron (Unio) murrayensis (Lea)

Margaron (Unio) mutabilis (Lea)

Margaron (Unio) myersianus (Lea)

Margaron (Unio) mytiloides (Raf.)
+ Unio obliquus Wood, 1828
+ Unio caridacea Conrad, 1836
+ Unio (s.s.) mytiloides Swainson, 1840
+ Unio ruber Conrad, 1853

Margaron (Unio) mühlfeldianus (Lea)

Margaron (Unio) mœstus (Lea)

Margaron (Unio) nagpoorensis (Lea)

Margaron (Unio) napeanensis (Con.)
+ Unio dorsuosus Gould, 1850

Margaron (Unio) nashvillensis [sic] (Lea)

Margaron (Unio) nasutulus (Lea)

Margaron (Unio) nasutus (Say)
+ Unio rostrata Valenciennes, 1827

Margaron (Unio) natalensis (Lea)

Margaron (Unio) naviculoides (Lea)

Margaron (Unio) navigioliformis (Lea)

Margaron (Unio) negatus (Lea)

Margaron (Unio) neglectus (Lea)

Margaron (Unio) neislerii (Lea)

Margaron (Unio) neusensis (Lea)

Margaron (Unio) newcombianus (Lea)
+ Unio sagrinatus Sowerby, 1868

Margaron (Unio) nicaraguensis (Lea)

Margaron (Unio) nicklinianus (Lea)

Margaron (Unio) nigellus (Lea)

Margaron (Unio) nigerrimus (Lea)

Margaron (Unio) nigrinus (Lea)

Margaron (Unio) niloticus (Caill.)
+ Mya pictorum of Authors, date unknown
+ Unio parreyssi Philippi, 1848
+ Unio pumilus Lea, 1852

Margaron (Unio) nitens (Lea)

Margaron (Unio) nocturnus (Lea)

Margaron (Unio) northamptonensis (Lea)

Margaron (Unio) notatus (Lea)

Margaron (Unio) novi-eboraci (Lea)
+ Unio opalinus J.G. Anthony, 1866

Margaron (Unio) novæ hollandiae (Gray)

Margaron (Unio) nubilus (Lea)

Margaron (Unio) nucleopsis (Con.)

Margaron (Unio) nucleus (Lea)

Margaron (Unio) nuttallianus (Lea)

Margaron (Unio) nux (Lea)

Margaron (Unio) nuxpersicus (Dunk.)

Margaron (Unio) nyassaensis (Lea)
+ Unio nyassae Sowerby, 1866

Margaron (Unio) obesus (Lea)

Margaron (Unio) obfuscus (Lea)

Margaron (Unio) oblatus (Lea)

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

Margaron (Unio) obnubilus (Lea)

Margaron (Unio) obscurus (Lea)

Margaron (Unio) obtusus (Lea)

Margaron (Unio) occatus (Lea)

Margaron (Unio) occidens (Lea)
+ Unio cardium Conrad, 1834
+ Unio lenis Conrad, 1838

Margaron (Unio) occidentalis (Con.)

Margaron (Unio) occultus (Lea)

Margaron (Unio) ochraceus (Say)
+ Unio rosaceus Conrad, 1849

Margaron (Unio) ocmulgéensis (Lea)

Margaron (Unio) olivarius (Lea)

Margaron (Unio) opacus (Lea)

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

Margaron (Unio) orbignyi (Deville and Hupé)

Margaron (Unio) oregonensis (Lea)

Margaron (Unio) orientalis (Bourg.)

Margaron (Unio) orientalis (Lea)
+ Unio productus Mousson, 1849

Margaron (Unio) ornatus (Lea)

Margaron (Unio) orontesensis (Lea)

Margaron (Unio) orphaensis (Lea)

Margaron (Unio) ortonii (Lea)

Margaron (Unio) osbeckii (Phili.)
+ Unio shanghaiensis Lea, 1859
+ Unio digitiformis Sowerby, 1868

Margaron (Unio) othcaloogensis (Lea)

Margaron (Unio) ovatus (Say)
+ Mya ventricosus of Authors, date unknown
+ Mya subovatus of Authors, date unknown
+ Mya occidens of Authors, date unknown
+ Unio ovata Lamarck, 1819

Margaron (Unio) oviformis (Con.)

Margaron (Unio) paliatus (Ravenel’s letter)

Margaron (Unio) pallescens (Lea)

Margaron (Unio) pallidofulvus (Lea)

Margaron (Unio) paludicolus (Gould)

Margaron (Unio) papyraceus (Gould)

Margaron (Unio) paraguayensis (Lea)

Margaron (Unio) parallelopipedon (Lea)

Margaron (Unio) paramattensis (Lea)

Margaron (Unio) paranensis (Lea)
+ Unio solisiana d’Orbigny, 1835

Margaron (Unio) parcus (Lea)

Margaron (Unio) parvulus (Lea)

Margaron (Unio) parvus (Bar.)

Margaron (Unio) patagonicus (d’Orb.)

Margaron (Unio) patelloides (Lea)

Margaron (Unio) patulus (Lea)
+ Unio patulus Conrad, 1838

Margaron (Unio) paulus (Lea)

Margaron (Unio) pauperculus (Lea)

Margaron (Unio) pawensis (Lea)

Margaron (Unio) pazii (Lea)

Margaron (Unio) peculiaris (Lea)

Margaron (Unio) peguensis (Anth.)

Margaron (Unio) pellucidus (Lea)

Margaron (Unio) penicillatus (Lea)

Margaron (Unio) penitus (Con.)

Margaron (Unio) percoarctatus (Lea)

Margaron (Unio) perdix (Lea)
+ Unio pectorosus Conrad, 1834

Margaron (Unio) perlatus (Lea)

Margaron (Unio) perlucens (Lea)

Margaron (Unio) permiscens (Lea)

Margaron (Unio) pernodosus (Lea)

Margaron (Unio) perovalis (Con.)

Margaron (Unio) perovatus (Con.)

Margaron (Unio) perpastus (Lea)

Margaron (Unio) perpictus (Lea)

Margaron (Unio) perplexus (Lea)
+ Unio gibbosus of Authors, date unknown
+ Amblema gibbosa Rafinesque, 1820
+ Unio gibbosus Ferussac, 1835
+ Unio gubernaculum Reeve, 1865

Margaron (Unio) perplicatus (Con.)
+ Unio pearlensis Conrad, 1855

Margaron (Unio) perpurpureus (Lea)

Margaron (Unio) perradiatus (Lea)

Margaron (Unio) personatus (Say)
+ Unio pileus Lea, 1831
+ Unio capillaris Lea, 1834

Margaron (Unio) perstriatus (Lea)

Margaron (Unio) persulcatus (Lea)

Margaron (Unio) pertenuis (Lea)

Margaron (Unio) peræformis (Lea)

Margaron (Unio) petrinus (Gould)

Margaron (Unio) petterianus (Küst.)
+ Unio carneus Küster, 1854

Margaron (Unio) phaselus (Lea)

Margaron (Unio) phaseolus (Hild.)
+ Unio cuneatus Barnes, 1823
+ Unio planulatus Lea, 1829

Margaron (Unio) phillipsii (Con.)

Margaron (Unio) piceus (Lea)

Margaron (Unio) pictorum (Retz.)
+ Unio ventrosus of Authors, date unknown
+ Unio levigatus of Authors, date unknown
+ Mytilus angustior Lister, 1685
+ Mya augusta Klein, 1753
+ Mya margaritica Klein, 1753
+ Mya corrugata maroccana Martini & Chemnitz, 1782
+ Mya nodosa Gmelin, 1791
+ Unio delphinus Spengler, 1793
+ Unio lemovicincae Férussac, 1807
+ Unio rostrata Lamarck, 1819
+ Unio manca Lamarck, 1819
+ Unio inflatus Studer, 1820
+ Unio limosus Nilsson, 1822
+ Unio pictorum Guérin, 1823
+ Unio turtonii Payraudeau, 1826
+ Unio capigliolo Payraudeau, 1826
+ Unio requienii Michaud, 1831
+ Unio deshayesii Michaud, 1831
+ Unio dubius Fitzinger, 1833
+ Unio elongatulus Rossmässler, 1835
+ Unio lobata Philippi, 1836
+ Unio longirostris Rossmässler, 1836
+ Unio retusa Held, 1836
+ Unio arcuata Bouchard-Chantereaux, 1838
+ Unio muelleri Rossmässler, 1838
+ Potomida sicula Swainson, 1840
+ Unio graniger J.F. Schmidt, 1840
+ Unio corrosus Villa, 1841
+ Unio ponderosus Rossmässler, 1842
+ Unio ardusianus Reyniès, 1843
+ Unio pictorum Brown, 1844
+ Unio requieni Rossmässler, 1844
+ Unio dactylus Morelet, 1845
+ Unio mucidus Morelet, 1845
+ Unio requieni Gassies, 1849
+ Unio platyrinchoideus Dupuy, 1849
+ Unio rousii Dupuy, 1849
+ Unio spinellii Spinelli, 1851
+ Unio castaneus Lea, 1852
+ Unio latirostris Küster, 1853
+ Unio concinnus Küster, 1854
+ Unio pallens Küster, 1854
+ Unio nathusii Küster, 1854
+ Unio viridiflavus Küster, 1854
+ Unio petrovichii Küster, 1854
+ Unio requienii var. vulgaris Stabile, 1859
+ Unio requienii var. blauneri Stabile, 1859
+ Unio proechus Bourguignat, 1862
+ Unio actephilus Bourguignat, 1862
+ Unio subreniformis Bourguignat, 1863
+ Unio penchinatianus Bourguignat, 1865
+ Unio graellsianus Bourguignat, 1865
+ Unio courquinianus Bourguignat, 1865
+ Unio pictorum Schrenck, 1867
+ Unio decipiens Drouët, 1881

Margaron (Unio) pictus (Lea)

Margaron (Unio) piger (Lea)

Margaron (Unio) pilaris (Lea)

Margaron (Unio) pilatus (Lea)

Margaron (Unio) pinguis (Lea)

Margaron (Unio) placitus (Lea)

Margaron (Unio) plancus (Lea)

Margaron (Unio) planicostatus (Lea)

Margaron (Unio) planilaterus [sic] (Con.)

Margaron (Unio) planior (Lea)

Margaron (Unio) plantii (Lea)

Margaron (Unio) platyrhynchus (Rossm.)

Margaron (Unio) plenus (Lea)

Margaron (Unio) plicatulus (Lea)

Margaron (Unio) plicatus (Say)
+ Unio multiplicata of Authors, date unknown
+ Unio peruviana Lamarck, 1819
+ Unio rariplicata Lamarck, 1819
+ Unio crassus Barnes, 1823
+ Unio dombeyana Valenciennes, 1827
+ Unio plicatus Küster, 1856

Margaron (Unio) pliciferus (Lea)
+ Unio carbonarius Lea, 1838
+ Unio plexus Conrad, 1838
+ Unio crocodilorum Morelet, 1849

Margaron (Unio) poeyanus (Lea)

Margaron (Unio) ponderosus (Sol.)
+ Mya crassa Wood, 1815

Margaron (Unio) popeii (Lea)

Margaron (Unio) porphyreus (Lea)

Margaron (Unio) postellii (Lea)

Margaron (Unio) powellii (Lea)

Margaron (Unio) prattii (Lea)

Margaron (Unio) pressus Lea
+ Symphynota compressa Lea, 1829
+ Complanaria alasmodontina Stimpson, 1851

Margaron (Unio) prevostianus (Lea)

Margaron (Unio) productus (Con.)

Margaron (Unio) propinquus (Lea)

Margaron (Unio) proprius (Lea)

Margaron (Unio) protensus (Lea)

Margaron (Unio) proximus (Lea)

Margaron (Unio) prunoides (Lea)

Margaron (Unio) prusii (Bourg.)

Margaron (Unio) psammoicus (d’Orb.)

Margaron (Unio) pudicus (Lea)

Margaron (Unio) pulcher (Lea)

Margaron (Unio) pullatus (Lea)

Margaron (Unio) pullus (Con.)

Margaron (Unio) pulvinulus (Lea)

Margaron (Unio) pumilus (Lea)

Margaron (Unio) punctatus (Lea)

Margaron (Unio) puniceus (Hald.)

Margaron (Unio) purpuratus (Lam.)
+ Unio ater Lea, 1829
+ Unio atra Deshayes, 1830
+ Unio lugubris Say, 1832
+ Unio poulsoni Conrad, 1834
+ Mya ventricosus Ferussac, 1835

Margaron (Unio) purpurellus (Lea)

Margaron (Unio) purus (Lea)

Margaron (Unio) pusillus (Lea)

Margaron (Unio) pustulatus (Lea)
+ Unio nodulatus Say, 1834

Margaron (Unio) pustulosus (Lea)
+ Unio verrucosus albus of Authors, date unknown
+ Unio verrucosa Valenciennes, 1827
+ Unio bullatus Conrad, 1838

Margaron (Unio) pybasii (Lea)

Margaron (Unio) pygmæus (Lea)

Margaron (Unio) pyramidatus (Lea)
+ Obliquaria rubra Rafinesque, 1820
+ Unio mytiloides Deshayes, 1830
+ Unio cardiacea Deshayes, 1839

Margaron (Unio) pyriformis (Lea)

Margaron (Unio) quadrans (Lea)

Margaron (Unio) quadratus (Lea)

Margaron (Unio) quadrilaterus (Lea)

Margaron (Unio) radians (Lea)

Margaron (Unio) radiatus (Lam.)
+ Mya pictorum tenuis Martini & Chemnitz, 1782
+ Mya radiata Gmelin, 1791
+ Unio radiatus Spengler, 1793
+ Unio virginiana Lamarck, 1819
+ Unio radiatus Barnes, 1823
+ Unio oblongatus Wood, 1828
+ Unio radiatus DeKay, 1843
+ Unio obliquiradiatus Reeve, 1865
+ Unio distans J.G. Anthony, 1865

Margaron (Unio) raeensis (Lea)

Margaron (Unio) rajahensis (Lea)

Margaron (Unio) raleighensis (Lea)

Margaron (Unio) rangianus (Lea)
+ Unio gibbosus of Authors, date unknown

Margaron (Unio) rasus (Lea)

Margaron (Unio) ravenelianus (Lea)
+ Unio rudis Conrad, 1837

Margaron (Unio) ravistellus (More.)

Margaron (Unio) ravoisieri (Desh.)

Margaron (Unio) rectus (Lam.)
+ Unio praelongus Barnes, 1823
+ Unio sageri Conrad, 1836
+ Unio arquatus Conrad, 1854
+ Unio leprosus Miles, 1861

Margaron (Unio) reeveianus (Lea)

Margaron (Unio) refulgens (Lea)

Margaron (Unio) regularis (Lea)

Margaron (Unio) retusus (Lam.)
+ Unio obtusa Cuvier, 1817
+ Obovaria torsa Rafinesque, 1820
+ Unio incurvis Say, 1829
+ Unio cordatus Küster, 1852

Margaron (Unio) rhombeus (Wag.)
+ Diplodon rhombeum Spix & Wagner, 1827

Margaron (Unio) rhuacoicus (d’Orb.)
+ Unio rhyacoicus Martens, 1868

Margaron (Unio) riddellii (Lea)

Margaron (Unio) roanokensis (Lea)

Margaron (Unio) rostriformis [sic] (Lea)

Margaron (Unio) rostrum (Lea)

Margaron (Unio) roswellensis (Lea)

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

Margaron (Unio) rotundus (Spix)
+ Diplodon rotundum Spix & Wagner, 1827
+ Unio rotundus Moricand, 1837

Margaron (Unio) rowellii (Lea)

Margaron (Unio) rubellinus (Lea)

Margaron (Unio) rubellus (Con.)

Margaron (Unio) rubidus (Lea)

Margaron (Unio) rubiginosus (Lea)
+ Unio flavus Conrad, 1837
+ Unio cerinus Conrad, 1838

Margaron (Unio) rudus (Lea)

Margaron (Unio) rufofuscus (Lea)

Margaron (Unio) rufus (Lea)

Margaron (Unio) rufusculus (Lea)

Margaron (Unio) rugososulcatus (Lea)

Margaron (Unio) rumphianus (Lea)

Margaron (Unio) rusticus (Lea)

Margaron (Unio) rutersvillensis (Lea)

Margaron (Unio) rutilans (Lea)

Margaron (Unio) sagittarius (Lea)

Margaron (Unio) sagittæformis [sic] (Lea)

Margaron (Unio) saladoensis (Lea)

Margaron (Unio) salebrosus (Lea)

Margaron (Unio) sampsonii (Lea)

Margaron (Unio) sapotalensis (Lea)

Margaron (Unio) satillaensis (Lea)

Margaron (Unio) satur (Lea)

Margaron (Unio) savannahensis (Lea)

Margaron (Unio) saxeus (Con.)

Margaron (Unio) scamnatus (More.)
+ Unio gundlachi Dunker, 1858

Margaron (Unio) schoolcraftii [sic] (Lea)
+ Unio prasinus Conrad, 1834
+ Unio nodiferus Conrad, 1841

Margaron (Unio) scitulus (Lea)

Margaron (Unio) scobinatus (Lea)
+ Unio mandarinus Morelet, 1864
+ Unio pellislacerti Morelet, 1865

Margaron (Unio) securis (Lea)
+ Obliquaria (Plagiola) depressa Rafinesque, 1820
+ Unio securis Deshayes, 1830
+ Unio lineolatus Say, 1834

Margaron (Unio) semigranosus (Phil.)
+ Unio explicatus Morelet, 1849
+ Unio corium Reeve, 1864

Margaron (Unio) semirugatus (Lam.)

Margaron (Unio) shepardianus (Lea)

Margaron (Unio) showalterii (Lea)

Margaron (Unio) shurtleffianus (Lea)

Margaron (Unio) shuttleworthii (Lea)

Margaron (Unio) siamensis (Lea)

Margaron (Unio) sikkimensis (Lea)

Margaron (Unio) similis (Lea)

Margaron (Unio) simplex (Lea)

Margaron (Unio) simus (Lea)

Margaron (Unio) sloatianus (Lea)
+ Unio aratus Conrad, 1849
+ Unio plectophorus Conrad, 1849

Margaron (Unio) smithii (Gray)

Margaron (Unio) solidus (Lea)

Margaron (Unio) sordidus (Lea)

Margaron (Unio) sowerbianus (Lea)

Margaron (Unio) spadiceus (Lea)

Margaron (Unio) sparsus (Lea)

Margaron (Unio) sparus (Lea)

Margaron (Unio) spatulatus (Lea)

Margaron (Unio) speciosus (Lea)

Margaron (Unio) spillmanii (Lea)

Margaron (Unio) spinosus (Lea)

Margaron (Unio) spissus (Lea)

Margaron (Unio) splendidus (Lea)

Margaron (Unio) spæricus [sic] (Lea)

Margaron (Unio) squalidus (Lea)

Margaron (Unio) squameus (Lea)

Margaron (Unio) stabilis (Lea)

Margaron (Unio) stagnalis (Con.)
+ Unio ogeecheensis Conrad, 1849

Margaron (Unio) stapes (Lea)

Margaron (Unio) stewardsonii (Lea)

Margaron (Unio) stonensis (Lea)

Margaron (Unio) stramineus (Con.)

Margaron (Unio) strebelii (Lea)

Margaron (Unio) striatulus (Lea)

Margaron (Unio) striatus (Lea)

Margaron (Unio) strigosus (Lea)

Margaron (Unio) stuarti (Ad. & An.)

Margaron (Unio) suavidicus (Lea)

Margaron (Unio) subangulatus (Lea)

Margaron (Unio) subellipsis (Lea)

Margaron (Unio) subflavus (Lea)

Margaron (Unio) subgibbosus (Lea)

Margaron (Unio) subinflatus (Con.)

Margaron (Unio) sublatus (Lea)

Margaron (Unio) subniger (Lea)

Margaron (Unio) subovatus (Lea)

Margaron (Unio) subplanus (Con.)

Margaron (Unio) subrotundus (Lea)
+ Unio brevialis Crouch, 1827
+ Unio politus Conrad, 1837
+ Unio cicatricosus Reeve, 1864

Margaron (Unio) substriatus (Lea)

Margaron (Unio) subtentus (Say)

Margaron (Unio) subtrigonus (Sow.)

Margaron (Unio) succissus (Lea)

Margaron (Unio) sudus (Lea)

Margaron (Unio) sulcatus (Lea)
+ Unio ridibundus Say, 1829
+ Unio gibbosus var. perobliquus Conrad, 1836
+ Unio pectitus Conrad, 1854

Margaron (Unio) sumatrensis (Dunk.)

Margaron (Unio) superbus (Lea)
+ Unio macropterus Dunker, 1846
+ Unio velaris Hanley, 1856

Margaron (Unio) swainsoni (Sow.)
+ Uniopsis mytiloides Swainson, 1840

Margaron (Unio) swinhoei (H. Adams)
+ Unio swinhoei Sowerby, 1866

Margaron (Unio) symmetricus (Lea)

Margaron (Unio) syriacus (Lea)

Margaron (Unio) tabascoensis (Phili.) [sic]

Margaron (Unio) taitianus (Lea)

Margaron (Unio) tampicoensis (Lea)

Margaron (Unio) tappanianus (Lea)
+ Unio viridis Conrad, 1835

Margaron (Unio) tavoyensis (Gould)
+ Unio parma Sowerby, 1868

Margaron (Unio) tecomatensis (Lea)

Margaron (Unio) tenebricus (Lea)

Margaron (Unio) tener (Lea)

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

Margaron (Unio) tennesseensis (Lea)

Margaron (Unio) tenuissimus (Lea)
+ Anodon purpurascens Swainson, 1823
+ Unio velum Say, 1829
+ Unio leptodon Conrad, 1836

Margaron (Unio) terminalis (Bourg.)

Margaron (Unio) tesserulæ (Lea)

Margaron (Unio) tetralasmus (Say)

Margaron (Unio) tetricus (Lea)

Margaron (Unio) texasensis [sic] (Lea)

Margaron (Unio) thorntonii (Lea)

Margaron (Unio) thwaitesii (Lea)

Margaron (Unio) tientsinensis (Crosse & D.)

Margaron (Unio) tigris Fer.
+ Unio tigridis Bourguignat, 1852

Margaron (Unio) topekaensis (Lea)

Margaron (Unio) tortivus (Lea)

Margaron (Unio) tortuosus (Lea)
+ Unio (Lampsilis) subtortus Baird & Adams, 1867

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

Margaron (Unio) triangularis (Bar.)
+ Unio cuneatus Swainson, 1823
+ Unio formosus Lea, 1831

Margaron (Unio) trifidus (Lea)

Margaron (Unio) trigonus (Lea)

Margaron (Unio) trinacrus (Lea)

Margaron (Unio) tripartitus (Lea)

Margaron (Unio) troostii [sic] (Lea)
+ Unio trabalis Conrad, 1834

Margaron (Unio) troschelianus (Lea)

Margaron (Unio) trossulus (Lea)

Margaron (Unio) truncatus (Swain.)

Margaron (Unio) tuberculatus (Bar.)
+ Unio (Theliderma) pustulata Swainson, 1840

Margaron (Unio) tuberosus (Lea)

Margaron (Unio) tumescens (Lea)

Margaron (Unio) tumidulus (Lea)

Margaron (Unio) tumidus (Retz.)
+ Mya depressa Donovan, 1801
+ Mya ovata Donovan, 1802
+ Mya ovalis Montagu, 1803
+ Unio nodulosa Lamarck, 1819
+ Unio rostratus Studer, 1820
+ Mysca solida Turton, 1822
+ Unio michaudiana Des Moulins, 1833
+ Unio batvus var. ovatus Charpentier, 1837
+ Unio limaniae Dupuy, 1852

Margaron (Unio) tuomeyi (Lea)

Margaron (Unio) turdigulus [sic] (Lea)

Margaron (Unio) turgidus (Lea)
+ Unio mortoni Conrad, 1836

Margaron (Unio) uhareensis (Lea)

Margaron (Unio) umbrans (Lea)

Margaron (Unio) umbrosus (Lea)

Margaron (Unio) undulatus (Bar.)
+ Unio undulatus of Authors, date unknown
+ Amblema costata Rafinesque, 1820
+ Unio undulata Valenciennes, 1827
+ Unio costatus Conrad, 1836
+ Unio undulatus Hanley, 1843

Margaron (Unio) unicolor (Lea)

Margaron (Unio) uruguayensis (Lea)

Margaron (Unio) utriculus (Lea)

Margaron (Unio) valentinus (Rossm.)

Margaron (Unio) vallatus (Lea)

Margaron (Unio) vanuxemii [sic] (Lea)

Margaron (Unio) variabilis (Mat.)

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

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

Margaron (Unio) ventricosus (Bar.)
+ Unio radiatus Hildreth, 1828

Margaron (Unio) venustus (Lea)

Margaron (Unio) veracruzensis (Lea)

Margaron (Unio) verreauxianus [sic] (Lea)

Margaron (Unio) verrucosus (Bar.)
+ Obliquaria (Rotundaria) tuberculata Rafinesque, 1820
+ Unio tuberculosus Valenciennes, 1827
+ Unio verrucosus purpureus Hildreth, 1828

Margaron (Unio) versus Lea
+ Unio inornatus Reeve, 1865

Margaron (Unio) verus (Lea)

Margaron (Unio) verutus (Lea)

Margaron (Unio) vescoi (Bourg.)
+ Unio schwerzenbachi Bourguignat, 1856

Margaron (Unio) vestitus (Lea)

Margaron (Unio) vibex (Con.)

Margaron (Unio) vicinus (Lea)

Margaron (Unio) vignonana (Reeve)

Margaron (Unio) virens (Lea)

Margaron (Unio) viridans (Lea)

Margaron (Unio) viridicatus (Lea)

Margaron (Unio) viridiradiatus (Lea)

Margaron (Unio) viridulus (Lea)

Margaron (Unio) vittatus (Lea)

Margaron (Unio) vivescens [sic] (Lea)

Margaron (Unio) waccamawensis (Lea)

Margaron (Unio) wardii (Lea)

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

Margaron (Unio) weldonensis (Lea)

Margaron (Unio) wheatleyanus (Lea)

Margaron (Unio) whiteianus (Lea)

Margaron (Unio) wilsonii (Lea)

Margaron (Unio) woodwardianus [sic] (Lea)

Margaron (Unio) wrightii (Lea)

Margaron (Unio) wymanii (Lea)

Margaron (Unio) wynegungaensis (Lea)

Margaron (Unio) zelebori “Fraun.”

Margaron (Unio) zieglerianus [sic] (Lea)

Margaron (Unio) zigzag (Lea)

Margaron (Unio) æquatus (Lea)

Margaron (Unio) æsopus (Green)
+ Unio cyphia Rafinesque, 1820
+ Unio cicatricosus Conrad, 1834

Margaron (Unio) æthiops (Lea)

Platiris (Iridina) exotica (Lam.)
+ Iridina elongata Sowerby & Sowerby, 1821
+ Iridina striata Swainson, 1823

Platiris (Iridina) leaii Sow.

Platiris (Iridina) ovata (Swain.)
+ Iridina exotica Children, 1823
+ Pleiodon macmurtriei Conrad, 1834
+ Iridina splendida Chenu, 1858

Platiris (Iridina) spekii (Woodward)

Platiris (Mycetopus) emarginatus (Lea)

Platiris (Mycetopus) falcatus (Higg. & Reeve)

Platiris (Mycetopus) plicatus (Gray)

Platiris (Mycetopus) pygmaeus (Spix)

Platiris (Mycetopus) rugatus (Sow.)

Platiris (Mycetopus) siliquosus (”d’Orb.”)
+ Anodon longinus Spix & Wagner, 1827
+ Mycetopoda siliquosus d’Orbigny, 1835
+ Mycetopus subsinuatus Sowerby, 1868

Platiris (Mycetopus) soleniformis (d’Orb.)
+ Mycetopus pygmaeus Hupé, 1857
+ Mycetopus weddellii Hupé, 1857

Platiris (Mycetopus) ventricosus (d’Orb.)

Platiris (Spatha) alata (Lea)

Platiris (Spatha) baikii (H. Adams)

Platiris (Spatha) cælestis [sic] (Lea)
+ Iridina rostrata Rang, 1835

Platiris (Spatha) dubia (Gmel.)
+ Iridina nilotica Cailliaud, 1823
+ Mutela oudnoei Koenig, 1826
+ Iridina gracilis Martens, 1866
+ Iridina angustata Sowerby, 1868

Platiris (Spatha) modesta (Lea)

Platiris (Spatha) natalensis (Lea)
+ Anodon tabula Sowerby, 1867

Platiris (Spatha) nyassaensis (Lea)

Platiris (Spatha) rubens (Lam.)
+ Iridina arenata of Authors, date unknown
+ Anodonta obtusa of Authors, date unknown
+ Anodon clappertoni Koenig, 1826
+ Spatha caillaudi Martens, 1866
+ Spatha hartmanni Martens, 1866

Platiris (Spatha) wahlbergi (Krauss)

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