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

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)

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)

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

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

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

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

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

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

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]

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

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 N. Amer. Unionidae etc.: [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)

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

Anodonta trapezialis Blainville, 1825
‘Lamarck’ of Authors.
Blainville, 1825. Manuel Malacol. et Conch.: 538.
Bory de St. Vincent, 1827. Encycl. Méth. 2: 147.
Menke, 1828. Syn. Method. Moll.: 63.
Menke, 1830. Syn. Method. Moll.: 106.
Lea, 1834. Trans. Amer. Phil. Soc. 5 [O. 1]: 93.
d’Orbigny, 1835. Mag. Zool. 5(61-62): 43.
Lea, 1836. Synopsis Fam. Naiades: 53.
Lea, 1838. Synopsis Fam. Naiades: 31.
Swainson, 1840. Treat. Malacol.: 287.
Hanley, 1843. Illustr. Descr. Cat. Rec. Bivalve Shells: 220.
d’Orbigny, 1846. Voyage dans l’Amérique Méridionale 5(3): 596.
Lea, 1852. Synopsis Fam. Naiades: 52.
Hupé, 1857. [in] Castelnau, Anim. Nouv. Rares d’Amer. Sud: 85.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 504.
Lea, 1870. Synopsis Fam. Naiades: 82.
Ihering, 1893. Arch. Naturg. 59(1): 135.
Corsi, 1900. Anais Mus. Nac. Montevideo 2: 456.
Marshall, 1915. Proc. U.S. Nat. Mus. 49(2122): 529.
Haas, 1929. Senckenbergiana 11: 340.
H.B. Baker, 1930. Occ. Pap. Mus. Zool. Univ. Mich. (210): 70.
Morretes, 1949. Arqu. Mus. Paranaense 7: 27.
(error for Anodonta trapesialis Lamarck, 1819)

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

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

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

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

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

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)

Lampsilis nashvillensis Agassiz, 1852
‘Lea’ of Authors.
Agassiz, 1852. Arch. Naturg. 18(1): 44.
Lea, 1870. Synopsis Fam. Naiades: 45.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [4].
Ortmann, 1924. Amer. Midl. Nat. 9(1): 32.
(error for Unio nashvillianus Lea, 1834)

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

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

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.

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

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

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): FIGURED SYNTYPE USNM_86348, Java.

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

Margaron (Anodonta) marryatana Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 82.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [7] [as ‘Anodonta marryatana’].
Frierson, 1927. Check List N. Amer. Naiades: 15.
(error for Anodonta maryattana Lea, 1840)

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

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

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

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

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

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

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

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

Margaron (Unio) bucklyi Lea, 1852
‘Lea’ of Authors.
Lea, 1852. Synopsis Fam. Naiades: 30.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 493 [as ‘Unio (Hyridella) bucklyi’].
Lea, 1870. Synopsis Fam. Naiades: 48.
(error for Unio buckleyi Lea, 1843)

Margaron (Unio) conradianus Lea, 1870
‘Lea’ Lea, 1870. Synopsis Fam. Naiades: 32.
‘Lea’ Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 501 [as ‘Unio conradianus’].
‘Lea’ Haas, 1969. Treatise on Invert. Paleo: N455 [as ‘Medionidus’].
(error for Unio conradicus Lea, 1834)

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

Margaron (Unio) dollabelloides Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 35.
Lea, 1870. Synopsis Fam. Naiades: 56.
‘Lea’ B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [2].
‘Lea’ Zanatta & Murphy, 2006. MPE 41(1): 197 [as ‘Lexingtonia’].
(error for Unio dolabelloides Lea, 1840)

Margaron (Unio) fascinans Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 42.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [2].
Pilsbry & Rhoads, 1896. Proc. Acad. Nat. Sci. 48: 502 [as ‘Unio fascinans’].
(error for Unio fassinans Lea, 1868)

Margaron (Unio) fellmani Lea, 1870
‘Desh.’ Lea, 1870. Synopsis Fam. Naiades: 46.
(error for Unio fellmanni Deshayes, 1847)

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

Margaron (Unio) jayanus Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 60.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3].
(error for Unio jayensis Lea, 1838)

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

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

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

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

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)

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.

Margaron (Unio) sagittaeformis Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 60.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [5].
(error for Unio sagittiformis Lea, 1852)

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

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

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

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

Margaron (Unio) vanuxemii Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 46.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [6].
(error for Unio vanuxemensis Lea, 1838)

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

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.
Fischer, 1891. Bull. Soc. Hist. Nat. Autun 4: 220 [as ‘Pseudodon mouhotianus’].
(error for Monocondyloea mouhotii Lea, 1863)

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

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.

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)

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)

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)

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

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

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

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

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

Unio calimatorum Lea, 1852
‘Morelet’ Lea, 1852. Synopsis Fam. Naiades: 39.
‘Morelet’ Lea, 1870. Synopsis Fam. Naiades: 63.
‘More.’ B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [2].
(error for Unio calamitarum Morelet, 1849)

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

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

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

Unio 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, 1849)

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

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

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 demararaensis Lea, 1859
Lea, 1859. Proc. Acad. Nat. Sci. 11: 152.
Lea, 1870. Synopsis Fam. Naiades: 36, Corridenda et Addenda.

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

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.
(error for Unio demararaensis Lea, 1859)
Type(s): TYPE BMNH_1964141, Demerara.

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

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

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

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)

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

Unio 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 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)

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

Unio laticostatus Adams & Adams, 1857
‘Lea’ of Authors.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 497.
Lea, 1870. Synopsis Fam. Naiades: 31.
Singley, 1893. Geol. Surv. Texas (1892): 317.
(error for Unio latecostatus Lea, 1845)

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

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 longidentatus Lea, 1870
‘Anton’ Lea, 1870. Synopsis Fam. Naiades: 63.
(error for Unio (s.s.) longedentatus Anton, 1839)

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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)

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

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 rostriformis Lea, 1857
Lea, 1857. 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, 1857)

Unio schoolcraftii Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 33.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [5].
(error for Unio schoolcraftensis Lea, 1834)

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

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

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

Unio teyheri Lea, 1870
‘Menke’ Lea, 1870. Synopsis Fam. Naiades: 64.
(error for Unio zeyheri Menke, 1849)

Unio troostii Lea, 1870
‘Lea’ of Authors.
Lea, 1870. Synopsis Fam. Naiades: 39.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [6].
(error for Unio troostensis Lea, 1834)

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

Unio verreauxianus Lea, 1867
Lea, 1867. Obs., index I-XI: errata.
Lea, 1870. Synopsis Fam. Naiades: 36.
(new name for Unio verreauianus Lea, 1856)

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 vittatus Ferussac, 1835
‘Rafinesque’ of Authors.
Ferussac, 1835. Mag. Zool. 5(59-60): 29.
Lea, 1852. Synopsis Fam. Naiades: 58.
Lea, 1870. Synopsis Fam. Naiades: 92.
(error for Bariosta vittatis Rafinesque, 1831)

Unio woodwardianus Lea, 1859
‘Lea’ of Authors.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 199.
Lea, 1870. Synopsis Fam. Naiades: 36.
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [6].
(error for Unio woodwardius Lea, 1857)

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