Alasmodonta abducta Lea, 1836
‘Say’ Lea, 1836. Synopsis Fam. Naiades: 44.
‘Say’ Lea, 1852. Synopsis Fam. Naiades: 42.

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 pencillatus Lea, 1852
‘Gray’ Lea, 1852. Synopsis Fam. Naiades: 52.
‘Gray’ Lea, 1870. Synopsis Fam. Naiades: 83.

Anodon placitus Lea, 1852
‘Hald.’ Lea, 1852. Synopsis Fam. Naiades: 53.

Anodon saliveniana Lea, 1852
‘Gould’ Lea, 1852. Synopsis Fam. Naiades: 53.

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

Anodonta cultrata Lea, 1852
‘Gould’ Lea, 1852. Synopsis Fam. Naiades: 47.

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

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

Anodonta guilliana Lea, 1852
‘Recluz’ Lea, 1852. Synopsis Fam. Naiades: 53.
‘Recluz’ Lea, 1870. Synopsis Fam. Naiades: 84.

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

Anodonta lusitania Lea, 1852
‘Morelet’ Lea, 1852. Synopsis Fam. Naiades: 48.
‘Morelet’ Lea, 1870. Synopsis Fam. Naiades: 77.

Anodonta maculenta Lea, 1852
‘Morelet’ Lea, 1852. Synopsis Fam. Naiades: 48.
‘Morelet’ Lea, 1870. Synopsis Fam. Naiades: 77.

Anodonta millettii Lea, 1852
‘Ray & Drout.’ Lea, 1852. Synopsis Fam. Naiades: 49.

Anodonta opilina Lea, 1852
‘Küster’ Lea, 1852. Synopsis Fam. Naiades: 53.

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’].

Anodonta rossmaesleriana Lea, 1852
‘Dupuy’ of Authors.
Lea, 1852. Synopsis Fam. Naiades: 48.
Moquin-Tandon, 1855. Hist. Natur. Moll. France 2: 562.

Anodonta sondermanii Lea, 1852
‘Küster’ Lea, 1852. Synopsis Fam. Naiades: 49.
‘Küster’ Lea, 1870. Synopsis Fam. Naiades: 77.

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

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.

Hyria rosea Lea, 1852
‘Lefev. Pot.’ Lea, 1852. Synopsis Fam. Naiades: 17.

Margarita (Unio) atratus Lea, 1836
‘Swain.’ Lea, 1836. Synopsis Fam. Naiades: 31.
Lea, 1852. Synopsis Fam. Naiades: 33.

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.

Margarita (Unio) watereensis Lea, 1836
Lea, 1836. Synopsis Fam. Naiades: 31.
Lea, 1852. Synopsis Fam. Naiades: 33.
Lea, 1870. Synopsis Fam. Naiades: 53.

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.

Margaritana fragilis Küster, 1862
‘Mousson’ Lea, 1852. Synopsis Fam. Naiades: 45. [nomen nudum]
‘Mousson’ Küster, 1862. Conchyl. Cab. 9(2): 295, pl. 98, fig. 2.

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.
Type(s): TYPE USNM_86348, Java.

Margaritana vondenbuschiana Lea, 1840
Lea, 1840. Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 222, pl. 18, fig. 39.
Lea, 1852. Synopsis Fam. Naiades: 45.
Adams & Adams, 1857. Gen. Rec. Moll. 2(31-32): 501.

Margaron (Anodonta) onowensis Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 53.

Margaron (Anodonta) troutwiniana Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 51.
Lea, 1852. Proc. Amer. Phil. Soc. 5: 252 [as ‘Anodonta troutwiniana’]. [nomen nudum]

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.

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

Margaron (Unio) declivis Lea, 1852
‘Say’ Lea, 1852. Synopsis Fam. Naiades: 33.

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’].

Margaron (Unio) guadechaudii Lea, 1852
‘Eyd.’ Lea, 1852. Synopsis Fam. Naiades: 32.
‘Eyd.’ Lea, 1870. Synopsis Fam. Naiades: 50.

Margaron (Unio) laticostasus Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 21.

Margaron (Unio) plectoforus Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: corrigenda et addenda.
Lea, 1870. Synopsis Fam. Naiades: 31.

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

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.
Type(s): MANUSCRIPT NAME USNM_84706, River at Bagdad, Persia.

Mya gardiana Lea, 1852
‘Lin. Schreib.’ Lea, 1852. Synopsis Fam. Naiades: 20.

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.

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’].

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.

Unio amaenus Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 29 [as ‘amænus’].
‘Lea’ Hanley, 1856. Cat. Rec. Bivalve Shells, Suppl.: 386 [as ‘amænus’].

Unio argens Lea, 1852
‘Küst.’ Lea, 1852. Synopsis Fam. Naiades: 30.

Unio asterianus Lea, 1852
‘Dupuy’ of Authors.
Lea, 1852. Synopsis Fam. Naiades: 39.
Germain, 1931. Faune de France 22: 720.

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

Unio balonensis Lea, 1852
‘Conrad’ of Authors.
Lea, 1852. Synopsis Fam. Naiades: 33.
Reeve, 1864. Conch. Icon. 16: pl. 18, sp. 81.

Unio bicolar Lea, 1852
‘Rafinesque’ Lea, 1852. Synopsis Fam. Naiades: 57.

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.

Unio boscianus Lea, 1852
‘Dunker’ Lea, 1852. Synopsis Fam. Naiades: 39.

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].

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.

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.

Unio castaneus Lea, 1852
‘Mül.’ Lea, 1852. Synopsis Fam. Naiades: 37.

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

Unio crocolilorum Lea, 1852
‘Morelet’ Lea, 1852. Synopsis Fam. Naiades: 39.

Unio damnoica Lea, 1852
‘D’Orb.’ Lea, 1852. Synopsis Fam. Naiades: 39.
‘D’Orb.’ Lea, 1870. Synopsis Fam. Naiades: 63.

Unio drouatii Lea, 1852
‘Dup.’ Lea, 1852. Synopsis Fam. Naiades: 39.

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.

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

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 gassiesii Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 33.

Unio guarianus Lea, 1852
‘D’Orb.’ Lea, 1852. Synopsis Fam. Naiades: 21.
‘D’Orb.’ Lea, 1870. Synopsis Fam. Naiades: 31.

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.

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.

Unio kurrii Lea, 1852
‘Küst.’ Lea, 1852. Synopsis Fam. Naiades: 30.

Unio laevigatus Say, 1834
‘Rafinesque’ of Authors.
Say, 1834. Amer. Conch. 6: [no pagination].
Conrad, 1834. New Fresh-Water Shells: 70.
Ferussac, 1835. Mag. Zool. 5: 28.
Lea, 1836. Synopsis Fam. Naiades: 59.
Lea, 1852. Synopsis Fam. Naiades: 57.
Conrad, 1853. Proc. Acad. Nat. Sci. 6: 251.
Ortmann, 1921. Mem. Carnegie Mus. 8: 92.

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.

Unio lobatata Lea, 1852
‘De Cr. and J.’ Lea, 1852. Synopsis Fam. Naiades: 37.
‘De Cr. and J.’ Lea, 1870. Synopsis Fam. Naiades: 59.

Unio maestus Lea, 1842
‘Lea’ of Authors.
Lea, 1842. Trans. Amer. Phil. Soc. 8 [O. 3]: 244 [82], pl. 26, fig. 60 [as ‘mæstus’].
Lea, 1852. Synopsis Fam. Naiades: 31 [as ‘mæstus’].
B.H. Wright, 1888. Check List N. Amer. Unionidae etc.: [3] [as ‘mæstus’].

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.

Unio merdiger Reeve, 1865
Jay, 1839. Cat. Rec. Shells: 25, sp. 1065.
‘Walsh.’ Lea, 1852. Synopsis Fam. Naiades: ??. [nomen nudum]
‘Watts’ Reeve, 1865. Conch. Icon. 16: pl. 28, sp. 145.

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 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 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 pescinalis Lea, 1852
‘Zieg.’ Lea, 1852. Synopsis Fam. Naiades: 30.

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.

Unio plectiforus Lea, 1852
‘Conrad’ Lea, 1852. Synopsis Fam. Naiades: 21.

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 productior Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 29 (footnote).

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

Unio psammaticus Lea, 1852
‘Bronn’ Lea, 1852. Synopsis Fam. Naiades: 21.
‘Philippi’ Parodiz, 1968. Sterkiana 30: 9.

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

Unio pumilus Lea, 1852
‘Ziegler’ Lea, 1852. Synopsis Fam. Naiades: 31.
‘Ziegler’ Martens, 1866. Malak. Blatt. 13: 13.

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.

Unio raristillus Lea, 1852
‘Morelet’ Lea, 1852. Synopsis Fam. Naiades: 40.

Unio rhomboidius Lea, 1852
‘Ward MSS’ Lea, 1852. Synopsis Fam. Naiades: 32. [nomen nudum]

Unio roisii Lea, 1852
‘Mich.’ Lea, 1852. Synopsis Fam. Naiades: 40.

Unio rugosus Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 21, footnote.

Unio strictus Lea, 1852
Lea, 1852. Synopsis Fam. Naiades: 26.

Unio testidineus Lea, 1852
‘Morelet’ Lea, 1852. Synopsis Fam. Naiades: 40.

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

Unio undulatus Lea, 1852
‘Con.’ Lea, 1852. Synopsis Fam. Naiades: 22.

Unio vindiflavus Lea, 1852
‘Küster’ Lea, 1852. Synopsis Fam. Naiades: 37.
‘Küster’ Lea, 1870. Synopsis Fam. Naiades: 59.

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.

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

Unio compressus var. plebeius Lea, 1852
‘Adams’ Lea, 1852. Synopsis Fam. Naiades: 19.