Unio augustatus Ferussac, 1835
‘Lea’ of Authors.
Ferussac, 1835, Mag. Zool. 5: 26.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [1].
(error for Unio angustatus Lea, 1831)

Anodonta imbecilis Lea, 1836
‘Say’ of Authors.
Lea, 1836, Synopsis Fam. Naiades: 54.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 264.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 502.
Say, 1858, [in] Binney, Compl. Writings T. Say: 140.
Lapham, 1860, Proc. Acad. Nat. Sci. 12: 156.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [7].
Pilsbry & Rhoads, 1896, Proc. Acad. Nat. Sci. 48: 506.
Clench & Turner, 1956, Bull. Fla. State Mus. 1: 187.
Murray & Leonard, 1962, Handbk. Unionid Muss. Kansas: 95.
R.I. Johnson, 1970, Bull. MCZ 140(6): 362.
Heard, 1975, Malacologia 15(1): 84.
Kat, 1983, Malacologia 23(2): 362.
Hoeh, 1990, Malac. Review 23: 63.
Lydeard et al., 1996, Philos. Trans. Roy. Soc. London (B, Biol. Sci.) 351: 1595.
Rosenberg et al., 1997, J. Moll. Studies 63: 303.
Adamkewicz et al., 1997, MBE 14(6): 622.
(error for Anodonta imbecillis Say, 1829)

Unio sayanus Conrad, 1838
‘Ward’ of Authors.
Conrad, 1838, Monogr. Fam. Unionidae 2(11): 102, pl. 56, fig. 2.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [5].
(error for Unio sayii Tappan, 1839)

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’].
(error for Unio moestus Lea, 1841)

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)

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

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

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)

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)

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

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 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)

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) 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)

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

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

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 (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) 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)

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 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 conasangœnsis B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2].
(error for Unio conasaugaensis Lea, 1872)

Unio diasensis B.H. Wright, 1888
‘Wright’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2]. [nomen nudum]
(error for Unio diazensis S.H. Wright, 1897)

Unio distens B.H. Wright, 1888
‘Anth.’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2].
(error for Unio distans J.G. Anthony, 1865)

Unio dooleyanns B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2].
(error for Unio dooleyensis Lea, 1874)

Unio goascoraensis B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
(error for Unio goascoranensis Lea, 1858)

Unio guintardii B.H. Wright, 1888
‘Cragin’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
(error for Unio quintardii Cragin, 1887)

Unio hartmanii B.H. Wright, 1888
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
(error for Unio hartmanianus Lea, 1860)

Unio leibmanni B.H. Wright, 1888
‘Phil.’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
(error for Unio liebmanni Philippi, 1847)

Quadrula (Pleuronaia) meridithii B.H. Wright, 1888
‘Lea’ of Authors.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4].
Frierson, 1927, Check List N. Amer. Naiades: 58, sp. 253.
(error for Unio meredithii Lea, 1858)

Unio ocmlugeensis B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4].
(error for Unio ocmulgeensis Lea, 1861)

Unio pealii B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4].
(error for Unio pealei Lea, 1871)

Unio pernulus B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4]. [nomen nudum]

Unio pertrinus B.H. Wright, 1888
‘Gld.’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [4].
(error for Unio petrinus Gould, 1855)

Unio quadraus B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [5].
(error for Unio quadrans Lea, 1860)

Unio tumesceus B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [6].
(error for Unio tumescens Lea, 1845)

Unio insitatus B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [3].
(error for Unio inusitatis Lea, 1859)

Unio tusmeyi B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [6].
(error for Unio tuomeyi Lea, 1852)

Margaritana connesaugaensis B.H. Wright, 1888
‘Lea’ B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [6].
(error for Margaritana connasaugaensis Lea, 1858)

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

Unio columbiensis B.H. Wright, 1888
‘Lea’ of Authors.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2].
Paetel, 1890, Cat. Conch.-Samml. 3: 148.
(error for Unio columbensis Lea, 1857)

Unio simpsoni B.H. Wright, 1888
B.H. Wright, 1888, Proc. Acad. Nat. Sci. 40: 117, pl. 5, fig. 1.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [5] [as ‘simpsonii’].
Type(s): HOLOTYPE USNM_151038, Lake Woodruff, Fla.

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

Unio stearnsii B.H. Wright, 1888
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [5]. [nomen nudum]
Type(s): NOMEN NUDUM ANSP_56495, Blue Spring Landing, St. John’s R., Fla.

Unio catilus B.H. Wright, 1888
‘Conrad’ of Authors.
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2].
Ortmann, 1924, Amer. Midl. Nat. 9(1): 38.
(error for Unio catillus Conrad, 1836)

Unio diazensis S.H. Wright, 1897
B.H. Wright, 1888, Check List N. Amer. Unionidae etc.: [2] [as ‘diasensis’]. [nomen nudum]
S.H. Wright, 1897, Nautilus 11: 5.
Type(s): LECTOTYPE USNM_149652, Lake Diaz, Volusia Co., Florida.

Anodonta angulata Lea

Anodonta argentea Lea

Anodonta arkansasensis [sic] Lea

Anodonta atrovirens Phil.

Anodonta bealei Lea

Anodonta benedictii Lea

Anodonta bridgesii Lea

Anodonta buchanensis Lea

Anodonta californiensis Lea

Anodonta carinata Dunker

Anodonta carinifera Con.

Anodonta coarctata Anton

Anodonta cornea Phill. [sic]

Anodonta corpulenta Cooper

Anodonta couperiana Lea

Anodonta cylindracea Lea

Anodonta dallasiana Lea

Anodonta danielsii Lea

Anodonta dariensis Lea

Anodonta decora Lea

Anodonta dejecta Lewis

Anodonta denigrata Lea

Anodonta doliaris Lea

Anodonta dunlapiana Lea

Anodonta edentula Say

Anodonta excurvata DeKay

Anodonta exilior Lea

Anodonta ferruginea Lea

Anodonta ferussaciana Lea

Anodonta flava Anth

Anodonta fluviatilis Dill.

Anodonta footiana Lea

Anodonta fragilis Lam.

Anodonta gesnerii Lea

Anodonta gibbosa Say

Anodonta gigantea Lea

Anodonta glandulosa Anth.

Anodonta glauca Val.

Anodonta globosa Lea

Anodonta granadensis Lea

Anodonta grandis Say

Anodonta hallenbeckii Lea

Anodonta harpethensis Lea

Anodonta henryana Lea

Anodonta holtonis Lea

Anodonta houghtonensis Cur.

Anodonta imbecilis [sic] Say

Anodonta imbricata Anth.

Anodonta implicata Say

Anodonta impura Say

Anodonta inæquivalva Lea

Anodonta irisans Anth.

Anodonta jewettii Lea

Anodonta kennerlyi Lea

Anodonta kennicottii Lea

Anodonta lacustris Lea

Anodonta lenticularis Lea

Anodonta leonensis Lea

Anodonta leotandi [sic] Gup.

Anodonta lewisii Lea

Anodonta linnæana Lea

Anodonta lugubris Say

Anodonta luteola Lea

Anodonta marryatana [sic] Lea

Anodonta micans Anth.

Anodonta modesta Lea

Anodonta montezuma Lea

Anodonta nicaragua [sic] Phill.

Anodonta nopalatensis Sow.

Anodonta nuttalliana Lea

Anodonta oblita Lea

Anodonta opaca Lea

Anodonta opalina Anth.

Anodonta oregonensis Lea

Anodonta ovata Lea

Anodonta pallida Anth.

Anodonta papyracea Anth.

Anodonta pavonia Lea

Anodonta pepinianus Lea

Anodonta plana Lea

Anodonta plicata Hald.

Anodonta salmonia Lea

Anodonta shafferiana [sic] Lea

Anodonta showalterii Lea

Anodonta simpsoniana Lea

Anodonta stewartiana Lea

Anodonta strebelii Lea

Anodonta subangulata Anth.

Anodonta subcarinata Curr.

Anodonta subcylindracea Lea

Anodonta subgibbosa Anth.

Anodonta subinflata Anth.

Anodonta suborbiculata Say

Anodonta subvexa Con.

Anodonta tetragona Lea

Anodonta texasensis Lea

Anodonta tryonii Lea

Anodonta undulata Say

Anodonta virens Lea

Anodonta virgulata Lea

Anodonta wahlamatensis Lea

Anodonta wardiana Lea

Anodonta williamsii Lea

Anodonta youkanensis Lea

Margaritana alabamensis Lea

Margaritana arcula Lea

Margaritana calceola Lea

Margaritana complanata Bar.

Margaritana confragosa Say

Margaritana connesaugaensis [sic] Lea

Margaritana curreyana [sic] Lea

Margaritana dehiscens Say

Margaritana deltoidea Lea

Margaritana elliottii Lea

Margaritana elliptica Lea

Margaritana etowaensis Con.

Margaritana fabula Lea

Margaritana georgiana Lea

Margaritana gesnerii Lea

Margaritana hildrethiana Lea

Margaritana holstonia Lea

Margaritana margaritifera L.

Margaritana marginata Say

Margaritana minor Lea

Margaritana quadrata Lea

Margaritana radiata Con.

Margaritana raveneliana Lea

Margaritana rugosa Bar.

Margaritana spillmanii Lea

Margaritana tombigbeensis Lea

Margaritana triangulata Lea

Margaritana undulata Say

Unio abacus Hald.

Unio abbevillensis Lea

Unio aberrans Lea

Unio aberti Con.

Unio acuens Lea

Unio acutissimus Lea

Unio affinis Lea

Unio aheneus Lea

Unio alatus Say

Unio altilis Con.

Unio altus Con.

Unio amabilis Lea

Unio amplus Lea

Unio amygdalum Lea

Unio amœnus Lea

Unio anaticulus Lea

Unio andersonensis Lea

Unio anodontoides Lea

Unio anthonyi Lea

Unio apicinus Lea

Unio apiculatus Say

Unio appressus Lea

Unio approximus Lea

Unio aquilus Lea

Unio aratus Lea

Unio arctatus Con.

Unio arctior Lea

Unio arcus Con.

Unio arcæformis Lea

Unio argenteus Lea

Unio arkansasensis Lea

Unio arquatus Con.

Unio asper Lea

Unio asperatus Lea

Unio asperrimus Lea

Unio atrocostatus Lea

Unio atromarginatus Lea

Unio attenuatus Lea

Unio augustatus [sic] Lea

Unio aureus Lea

Unio averellii Wright, 1888

Unio averyi Lea

Unio aztecorum Phil.

Unio bairdianus Lea

Unio baldwinensis Lea

Unio barnesianus Lea

Unio barrattii Lea

Unio basalis Lea

Unio beadleianus Lea

Unio bealei Lea

Unio beaverensis Lea

Unio bellulus Lea

Unio berlandierii Lea

Unio biangulatus Lea

Unio biemarginatus Lea

Unio bigbyensis Lea

Unio binneyi Lea

Unio bisselianus Lea

Unio blandianus Lea

Unio blandingianus Lea

Unio borealis A.F. Gray

Unio bournianus Lea

Unio boydianus Lea

Unio boykinianus Lea

Unio bracteatus Gld.

Unio brazosensis Lea

Unio brevidens Lea

Unio brevis Lea

Unio brumbyanus Lea

Unio buckleyi Lea

Unio buddianus Lea

Unio bulbosus Lea

Unio burkensis Lea

Unio buxeus Lea

Unio cacao Lea

Unio cahabensis Lea

Unio caldwellii Lea

Unio caliginosus Lea

Unio calimitarum [sic] More.

Unio callosus Lea

Unio camelopardilis Lea

Unio camelus Lea

Unio camptodon Say

Unio canadensis Lea

Unio capax Green

Unio caperatus Lea

Unio capsæformis Lea

Unio cariosus Say

Unio castaneus Lea

Unio castus Lea

Unio catawbensis Lea

Unio catilus [sic] Con.

Unio cerinus Con.

Unio charlottensis Lea

Unio chathamensis Lea

Unio chattanoogaensis Lea

Unio chickasawhensis Lea

Unio chunii Lea

Unio cicatricosus Say

Unio cicur Lea

Unio cincinnatiensis Lea

Unio cinnamomicus Lea

Unio circulus Lea

Unio circumactus Lea

Unio cirratus Lea

Unio cistelæformis Lea

Unio claibornensis Lea

Unio clarkianus Lea

Unio clavus Lam.

Unio clinchensis Lea

Unio coccineus Lea

Unio cognatus Lea

Unio collinus Con.

Unio coloradoensis Lea

Unio columbiensis [sic] Lea

Unio compactus Lea

Unio complanatus Sol.

Unio compressissimus Lea

Unio conasangœnsis [sic] Lea

Unio concavus Lea

Unio concestator Lea

Unio concolor Lea

Unio confertus Lea

Unio congaræus Lea

Unio conradianus Lea

Unio consanguineus Lea

Unio conspicuus Lea

Unio constrictus Con.

Unio contiguus Lea

Unio contractus Lea

Unio cooperianus Lea

Unio copei Lea

Unio cor Con.

Unio cordatus Raf.

Unio corneus Lea

Unio cornutus Barn.

Unio coruscus Gld.

Unio corvinus Lea

Unio corvunculus Lea

Unio corvus Lea

Unio couchianus Lea

Unio crapulus Lea

Unio crassidens Lam.
+ Unio niger Conrad, 1836

Unio crebrivittatus Lea

Unio creperus Lea

Unio crocatus Lea

Unio cromwellii Lea

Unio crudus Lea

Unio cumberlandicus Lea

Unio cuneolus Lea

Unio cuneus Con.

Unio cunninghamii [sic] Wright

Unio cuprinus Lea

Unio curatus Lea

Unio curtus Lea

Unio curvatus Lea

Unio cuspidatus Lea

Unio cuvierianus Lea

Unio cylindrellus Lea

Unio cylindricus Say

Unio cyrenoides Phil.

Unio cælatus Con.

Unio dactylus Lea

Unio dallii Wright

Unio dariensis Lea

Unio datus Lea

Unio decisus Lea

Unio declivis Say

Unio decoratus Lea

Unio decumbens Lea

Unio delphinulus More.

Unio delumbis Con.

Unio denigratus Lea

Unio depygis Con.

Unio deviatus Anth.

Unio diasensis [sic] Wright

Unio differtus Lea

Unio difficilis Lea

Unio digitatus More.

Unio discrepans Lea

Unio discus Lea

Unio dispansus Lea

Unio dispar Lea

Unio dissimilis Lea

Unio distens [sic] Anth.

Unio diversus Con.

Unio dolabrœformis [sic] Lea

Unio doliaris Lea

Unio dollabelloides [sic] Lea

Unio dolosus Lea

Unio donaciformis Lea

Unio dooleyanns [sic] Lea

Unio dorei Wright

Unio dorfeuillianus Lea

Unio dorsatus Lea

Unio downiei Lea

Unio dromas Lea

Unio duttonianus Lea

Unio dysonii Lea

Unio ebenus Lea

Unio edgarianus Lea

Unio eightsii Lea

Unio elegans Lea

Unio elliottii Lea

Unio ellipsiformis Con.

Unio ellipsis Lea

Unio emmonsii Lea

Unio encarpus Lea

Unio errans Lea

Unio estabrookianus Lea

Unio exactus Lea

Unio exacutus Lea

Unio excavatus Lea

Unio exiguus Lea

Unio extensus Lea

Unio fabaceus Lea

Unio fabalis Lea

Unio fallax Lea

Unio famelicus Gld.

Unio fascinans Lea

Unio fatuus Lea

Unio favosus Lea

Unio fibuloides Lea

Unio fisherianus Lea

Unio flavescens Lea

Unio flavidulus Lea

Unio flavidus Lea

Unio florentinus Lea

Unio floridensis Lea

Unio foliatus Hild.

Unio folliculatus Lea

Unio fontanus Con.

Unio forbesianus Lea

Unio foremanianus Lea

Unio forsheyi Lea

Unio fragosus Con.

Unio fraternus Lea

Unio fryanus Wright

Unio fucatus Lea

Unio fulgidus Lea

Unio fuliginosus Lea

Unio fulvus Lea

Unio fumatus Lea

Unio furvus Con.

Unio fuscatus Lea

Unio gabbianus Lea

Unio gastonensis Lea

Unio geddingsianus Lea

Unio geminus Lea

Unio genthii Lea

Unio genuinus Lea

Unio georgianus Lea

Unio gerhardtii Lea

Unio germanus Lea

Unio gesnerii Lea

Unio gibber Lea

Unio gibbesianus Lea

Unio gibbosus Bar.

Unio glaber Lea

Unio glandaceus Lea

Unio glans Lea

Unio globatus Lea

Unio goascoraensis [sic] Lea

Unio gouldii Lea

Unio gracilentus Lea

Unio gracilior Lea

Unio gracilis Bar

Unio granadensis Lea

Unio grandensis Con.

Unio grandidens Lea

Unio graniferus Lea

Unio granulatus Lea

Unio greenii Con

Unio griffithianus Lea

Unio guintardii [sic] Cragin

Unio haleianus Lea

Unio hallenbeckii Lea

Unio hanleyanus [sic] Lea

Unio hartmanii [sic] Lea

Unio hartwrightii Newc.

Unio hastatus Lea

Unio haysianus Lea

Unio hazelhurstianus Lea

Unio hebes Lea

Unio hebetatus Con.

Unio heermanii [sic] Lea

Unio hembeli Con, [sic]

Unio hepaticus Lea

Unio heros Say

Unio heterodon Lea

Unio higginsii Lea

Unio hinkleyi Wright

Unio hippopæus [sic] Lea

Unio hjalmarsoni Dunk.

Unio holstonensis Lea

Unio hopetonensis Lea

Unio houstonensis Lea

Unio humerosus Lea

Unio hyalinus Lea

Unio hydianus Lea

Unio icterinus Con.

Unio imbricatus Morch

Unio incrassatus Lea

Unio indefinitus Lea

Unio ineptus Lea

Unio inflatus Lea

Unio infucatus Con.

Unio infulgens Lea

Unio infuscus Lea

Unio insitatus [sic] Lea

Unio insolidus Lea

Unio instructus Lea

Unio insulsus Lea

Unio intercedens Lea

Unio intermedius Con.

Unio interruptus Lea

Unio interventus Lea

Unio invenustus Lea

Unio iridescens Con.

Unio iris Lea

Unio irrasus Lea

Unio irroratus Lea

Unio irwinensis Lea

Unio jamesianus Lea

Unio jayanus [sic] Lea

Unio jejunus Lea

Unio jewettii Lea

Unio johannis Lea

Unio jonesii Lea

Unio kienerianus Lea

Unio kirtlandianus Lea

Unio kleinianus Lea

Unio lacrymosus Lea

Unio lanceolatus Lea

Unio latecostatus Lea

Unio latus Lea

Unio lawii Lea

Unio lazarus Lea

Unio lecontianus Lea

Unio leibii Lea

Unio leibmanni [sic] Phil.

Unio lenior Lea

Unio lens Lea

Unio lenticularis Lea

Unio lepidus Gld.

Unio lesleyi Lea

Unio lesueurianus Lea

Unio lewisii Lea

Unio lienosus Con.

Unio ligamentinus Lam.

Unio ligatus Lea

Unio limatulus Con.

Unio lincecumii Lea

Unio lindsleyi Lea

Unio lineatus Lea

Unio linguæformis Lea

Unio litus Lea

Unio livingstonensis Lea

Unio lucidus Lea

Unio lugubris Lea

Unio luridus Lea

Unio luteolus Lam.

Unio lyonii Lea

Unio lævissimus Lea

Unio macnielii Lea

Unio maconensis Lea

Unio macrodon Lea

Unio maculatus Con.

Unio manubius Gld.

Unio marginis Lea

Unio marshii Wright

Unio masoni Con.

Unio mecklenbergensis Lea

Unio medellinus Lea

Unio mediocris Lea

Unio medius Lea

Unio menkianus Lea

Unio mercerii Lea

Unio meridithii [sic] Lea

Unio merus Lea, 1852

Unio metanevrus Rafinesque

Unio metastriatus Con.

Unio mexicanus Phil.

Unio micans Lea

Unio minor Lea

Unio mississippiensis Con.

Unio modicellus Lea

Unio modicus Lea

Unio modioliformis Lea

Unio monodontus Say

Unio monroensis Lea

Unio mooresianus Lea

Unio mortoni Con.

Unio moussonianus Lea

Unio muhlfeldianus Lea

Unio multiplicatus Lea

Unio multiradiatus Lea

Unio mundus Lea

Unio murrayensis Lea

Unio mytiloides Raf.

Unio mæstus [sic] Lea

Unio nashvillensis [sic] Lea

Unio nasutulus Lea

Unio nasutus Say

Unio naviculoides Lea

Unio nebulosus Con.

Unio negatus Lea

Unio neglectus Lea

Unio neislerii Lea

Unio neusensis Lea

Unio newcombianus Lea

Unio nicaraguensis Lea

Unio nicklinianus Lea

Unio nigellus Lea

Unio nigerrimus Lea

Unio nigrinus Lea

Unio nitens Lea

Unio nolanii [sic] Wright

Unio northamptonensis Lea

Unio notatus Lea

Unio novi-eboraci Lea

Unio nubilus Lea

Unio nucleopsis Con.

Unio nux Lea

Unio obesus Lea

Unio obfuscus Lea

Unio oblatus Lea

Unio obliquus Lam.

Unio oblongus Lea

Unio obnubilus Lea

Unio obscurus Lea

Unio obtusus Lea

Unio obuncus Lea

Unio occidens Lea

Unio occidentalis Con.

Unio occultus Lea

Unio ochraceus Say

Unio ocmlugeensis [sic] Lea

Unio opacus Lea

Unio orbiculatus Hild.
+ Unio crassus Say, 1817

Unio oregonensis Lea

Unio ornatus Lea

Unio othcaloogensis Lea

Unio ovatus Say

Unio oviformis Con.

Unio ozarkensis Call

Unio pallescens Lea

Unio palliatus Rav.

Unio pallidofulvus Lea

Unio paludicolus Gld.

Unio papyraceus Gld.

Unio parvulus Lea

Unio parvus Bar.

Unio pattinoides Lea

Unio patulus Lea

Unio pauciplicatus Lea

Unio paulus Lea

Unio pauperculus Lea

Unio pawensis Lea

Unio pealii [sic] Lea

Unio pectorosus Con.

Unio pellucidus Lea

Unio penicillatus Lea

Unio penitus Con.

Unio percoarctatus Lea

Unio perdix Lea

Unio perlatus Lea

Unio perlucens Lea

Unio permiscens Lea

Unio pernodosus Lea

Unio pernulus Lea

Unio perovalis Con.

Unio perovatus Con.

Unio perpastus Lea

Unio perpictus Lea

Unio perplexus Lea

Unio perplicatus Con.

Unio perpurpureus Lea

Unio perradiatus Lea

Unio personatus Say

Unio perstriatus Lea

Unio persulcatus Lea

Unio pertenuis Lea

Unio pertrinus [sic] Gld.

Unio phaseolus Hild.

Unio phillipsii Con.

Unio pictus Lea

Unio pilaris Lea

Unio pileus Lea

Unio pinguis Lea

Unio placitus Lea

Unio plancus Lea

Unio planicostatus Lea

Unio planilaterus [sic] Con.

Unio planior Lea

Unio plantii Lea

Unio plenus Lea

Unio plicatus Lesu.

Unio pliciferus Lea

Unio poeyanus Lea

Unio popeii Lea

Unio porphyreus Lea

Unio porrectus Con.

Unio postellii Lea

Unio poulsoni Con.

Unio powellii Lea

Unio prasinatus Con.

Unio prasinus Con.

Unio prattii Lea

Unio pressus Lea

Unio prevostianus Lea

Unio productus Con.

Unio propinquus Lea

Unio proprius Lea

Unio protensus Lea

Unio proximus Lea

Unio pudicus Lea

Unio pulcher Lea

Unio pullatus Lea

Unio pullus Con.

Unio pulvinulus Lea

Unio pumilus Lea

Unio punctatus Lea

Unio puniceus Hald.

Unio purpuratus Lam.

Unio purpurellus Lea

Unio purpuriatus Say

Unio purus Lea

Unio pusillus Lea

Unio pustulatus Lea

Unio pustulosus Lea

Unio pybasii Lea

Unio pygmæus Lea

Unio pyramidatus Lea

Unio pyriformis Lea

Unio quadratus Lea

Unio quadraus [sic] Lea

Unio quadrilaterus Lea

Unio radians Lea

Unio radiatus Lam.

Unio radiolus Lea

Unio radiosus Lea

Unio raeensis Lea

Unio raleighensis Lea

Unio rangianus Lea

Unio ratus Lea

Unio raveneli Con.

Unio ravenelianus Lea

Unio ravistellus Mor.

Unio rectus Lam.

Unio recurvatus Lea

Unio reeveianus Lea

Unio refulgens Lea

Unio regularis Lea

Unio retusus Lam.

Unio riddellii Lea

Unio rivicolus Con.

Unio roanokensis Lea

Unio rosaceus DeKay

Unio rostellum Lea

Unio rostriformis Lea

Unio rostrum Lea

Unio roswellensis Lea

Unio rotundatus Lam.

Unio rowellii Lea

Unio rubellinus Lea

Unio rubellus Con.

Unio rubidus Lea

Unio rubiginosus Lea

Unio rudis Con.

Unio rufus Lea

Unio rufusculus Lea

Unio rugososulcatus Lea

Unio rumphianus Lea

Unio rutersvillensis Lea

Unio rutilans Lea

Unio sagittæformis [sic] Lea

Unio saladoensis Lea

Unio salebrosus Lea

Unio sampsonii Lea

Unio santeensis Lea

Unio sapotalensis Lea

Unio satillaensis Lea

Unio satur Lea

Unio savannahensis Lea

Unio saxeus Con.

Unio sayanus [sic] Ward

Unio scamnatus More.

Unio schoolcraftii [sic] Lea

Unio scitulus Lea

Unio securis Lea

Unio semigranosus Busch

Unio shepardianus Lea

Unio showalterii Lea

Unio similis Lea

Unio simplex Lea

Unio simpsonii [sic] Wright

Unio simulans Lea

Unio simus Lea

Unio sloatianus Lea

Unio solidus Lea

Unio sordidus Lea

Unio sowerbianus Lea

Unio spadiceus Lea

Unio sparsus Lea

Unio sparus Lea

Unio spatulatus Lea

Unio speciosus Lea

Unio sphæricus Lea

Unio spillmanii Lea

Unio spinosus Lea

Unio spissus Lea

Unio splendidus Lea

Unio squalidus Lea

Unio squameus Lea

Unio stabilis Lea

Unio stagnalis Con.

Unio stapes Lea

Unio stearnsii Wright

Unio stewardsonii Lea

Unio stonensis Lea

Unio stramineus Con.

Unio strebelii Lea

Unio striatulus Lea

Unio striatus Lea

Unio strigosus Lea

Unio strumosus Lea

Unio subangulatus Lea

Unio subcylindraceus Lea

Unio subellipsis Lea

Unio subflavus Lea

Unio subgibbosus Lea

Unio subglobatus Lea

Unio subinflatus Con.

Unio sublatus Lea

Unio subniger Lea

Unio subolivaceus Lea

Unio subovatus Lea

Unio subparallelus Lea

Unio subplanus Con.

Unio subrostratus Say

Unio subrotundus Lea

Unio subsquamosus Lea

Unio subtentus Say

Unio succissus Lea

Unio sudus Lea

Unio sulcatus Lea

Unio symmetricus

Unio tabascoensis Phil. [sic]

Unio taitianus Lea

Unio tampicoensis Lea

Unio tappanianus Lea

Unio taumilapanus Con.

Unio tecomatensis Lea

Unio tellicoensis Lea

Unio tenebricus Lea

Unio tenebrosus Con.

Unio tener Lea

Unio tennesseensis Lea

Unio tenuissimus Lea

Unio tesserulæ Lea

Unio tetralasmus Say

Unio tetricus Lea

Unio texasensis [sic] Lea

Unio thorntonii Lea

Unio topekaensis Lea

Unio tortivus Lea

Unio trabalis Con.

Unio trapezoides Lea

Unio triangularis Bar.

Unio trigonus Lea

Unio trinacrus Lea

Unio troostii Lea

Unio troschelianus Lea

Unio trossulus Lea

Unio tryonii [sic] Wright

Unio tuberculatus Bar.

Unio tuberosus Lea

Unio tumesceus [sic] Lea

Unio turgidulus Lea

Unio turgidus Lea

Unio tuscumbiensis Lea

Unio tusmeyi [sic] Lea

Unio tæniatus Con.

Unio uber Con.

Unio uhareensis Lea

Unio umbrans Lea

Unio umbrosus Lea

Unio undulatus Bar.

Unio unicolor Lea

Unio upsoni Marsh

Unio utriculus Lea

Unio validus Lea

Unio vallatus Lea

Unio vanuxemii Lea

Unio varicosus Lea

Unio vaughanianus Lea

Unio vellicatus Rve.

Unio ventricosus Bar.

Unio venustus Lea

Unio vera cruzensis Lea

Unio verrucosus Bar.

Unio verus Lea

Unio verutus Lea

Unio veræ pacis Trist

Unio vesicularis Lea

Unio vestitus Lea

Unio vibex Con.

Unio vicinus Lea

Unio virens Lea

Unio virescens Lea

Unio viridans Lea

Unio viridicatus Lea

Unio viridiradiatus Lea

Unio viridis Raf.

Unio viridulus Lea

Unio waccamawensis Lea

Unio waltonii [sic] Wright

Unio wardii Lea

Unio websterii Wright

Unio weldonensis Lea

Unio whiteianus Lea

Unio woodwardianus [sic] Lea

Unio yadkinensis Lea

Unio zeiglerianus Lea

Unio zigzag Lea

Unio æquatus Lea

Unio æruginosus More.

Unio æsopus Green