Unio cincinnatiensis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 194, pl. 8, fig. 4.
Type(s): HOLOTYPE USNM_84199, Cincinnati, Ohio.

Unio biangularis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 197, pl. 9, fig. 8 [as ‘biangulatus’].

Unio cucumoides Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 192, pl. 7, fig. 2.
Type(s): HOLOTYPE (MONOTYPY) AMNH_30897, Hunters River, New South Wales, Australia.

Unio biangulatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288 [as ‘biangularis’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 197, pl. 9, fig. 8.
(error for Unio biangularis Lea, 1840)
Type(s): HOLOTYPE USNM_86120, Caney Fork, Tennessee.

Anodonta maryattana Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 289 [as ‘maryattiana’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 226, pl. 20, fig. 45.
(correct name for Anodonta maryattiana Lea, 1840)

Unio amoenus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286 [as ‘amœnus’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 200, pl. 10, fig. 12 [as ‘amœnus’].
Type(s): HOLOTYPE USNM_85070, Holston R., Tenn.

Unio delphinus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 218, pl. 17, fig. 35.
(homonym of Unio delphinus Spengler, 1793)
Type(s): HOLOTYPE USNM_83910, New Holland.

Unio orientalis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 221, pl. 18, fig. 38.
Type(s): HOLOTYPE USNM_86058, Java.

Unio javanus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 220, pl. 18, fig. 37.
Type(s): HOLOTYPE USNM_85187, Java.

Unio pilaris Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 209 [47], pl. 14, fig. 24.
Type(s): HOLOTYPE USNM_85817, French Broad R., Tenn.

Unio geddingsianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 285.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 202 [40], pl. 11, fig. 15.
Type(s): HOLOTYPE USNM_85650, Congaree R., S.C.

Unio tuberosus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 210 [48], pl. 14, fig. 25.
Type(s): HOLOTYPE USNM_84219, Cumberland R., Middle Tenn.

Unio cuneolus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 193 [31], pl. 7, fig. 3.
Type(s): HOLOTYPE USNM_84591, Holston R., Tenn.

Unio lesueurianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 195 [33], pl. 8, fig. 6.
Type(s): HOLOTYPE USNM_85803, Holston R., Tenn.

Unio stonensis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 195 [33], pl. 8, fig. 5.
Type(s): HOLOTYPE USNM_84969, Stone R., Tenn.

Unio plenus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 211 [49], pl. 14, fig. 26.
Type(s): HOLOTYPE USNM_84677, Cincinnati, Ohio.

Unio boydianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 216 [54], pl. 16, fig. 32.
Type(s): LECTOTYPE USNM_86126, Oak Orchard, Orleans Co., N.Y.

Unio pusillus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 220 [58], pl. 18, fig. 36.
Type(s): HOLOTYPE USNM_85241, Ogeechee R., Georgia.

Unio tener Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 198, pl. 10, fig. 10.
Type(s): HOLOTYPE USNM_85026, Big Pigeon R., Tenn.

Unio incrassatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 217 [55], pl. 16, fig. 34.
Type(s): HOLOTYPE USNM_84537, Columbus, Ga.

Unio sloatianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 217 [55], pl. 16, fig. 33.
Type(s): LECTOTYPE AMNH_56104, Chattahoochee River, Georgia.

Unio paulus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 213 [51], pl. 15, fig. 29.
Type(s): HOLOTYPE (MONOTYPY) USNM_85274, Columbus, Ga.

Unio strigosus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 198 [36], pl. 9, fig. 9.
Type(s): HOLOTYPE USNM_85890, Chattahoochee R., Columbus, Georgia.

Unio lineatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 206 [44], pl. 12, fig. 20.
(homonym of Unio lineata Bory de St. Vincent, 1827; renamed Lampsilis (s.s.) binominatus Simpson, 1900)
Type(s): LECTOTYPE USNM_84884, Chattahoochee River, Columbus, [Muscogee County,] Georgia, [Chattahoochee River drainage].

Unio exiguus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 191 [29], pl. 7, fig. 1.
Type(s): HOLOTYPE USNM_84974, Chattahoochee R., Columbus, Georgia.

Unio tortivus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 204 [42], pl. 12, fig. 17.
Type(s): POSSIBLE SYNTYPE USNM_85674, Lee Co., Ga.

Unio subangulatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287 [as ‘sub-angulatus’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 209 [47], pl. 13, fig. 23.
Type(s): LECTOTYPE USNM_85081, Chattahoochee R., Georgia.

Unio striatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 203 [41], pl. 12, fig. 16.
(homonym of Unio striatus Goldfuss, 1837; renamed Pleurobema simpsoni Vanatta, 1915)
Type(s): HOLOTYPE USNM_84797, Columbus, Ga.

Unio dactylus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 196, pl. 9, fig. 7.
Type(s): HOLOTYPE USNM_85904, Cany [Caney] Fork, E. Tenn.

Unio obtusus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 201 [39], pl. 11, fig. 13.
(homonym of Unio obtusa d’Orbigny, 1835)
Type(s): HOLOTYPE USNM_86142, Georgia.

Unio boykinianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 208 [46], pl. 13, fig. 22.
Type(s): TOPOTYPE USNM_83903, Columbus, Georgia.

Unio edgarianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 214 [52], pl. 15, fig. 30.
Type(s): HOLOTYPE USNM_84685, Tenn R., Florence, Ala.

Unio nitens Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 205 [43], pl. 12, fig. 19.
Type(s): HOLOTYPE USNM_85132, Long Creek, Tenn.

Unio holstonensis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 212 [50], pl. 15, fig. 27.
Type(s): HOLOTYPE USNM_84641, Holston R., Tenn.

Unio dolabelloides Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 215 [53], pl. 15, fig. 31.
Type(s): HOLOTYPE USNM_85828, Holston R., Tenn.

Unio atromarginatus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288 [as ‘atro-marginatus’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 207 [45], pl. 13, fig. 21 [as ‘atro-marginatus’].

Unio bournianus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 213 [51], pl. 15, fig. 28.
Type(s): HOLOTYPE USNM_84683, Scioto R., Chillicothe, Ohio.

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 curreyiana Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 223, pl. 18, fig. 40 [on plate as ‘curreyana’].
Type(s): LECTOTYPE USNM_86227, Stones River, Tenn.

Anodonta couperiana Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 289 [as ‘cowperiana’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 227, pl. 20, fig. 46.
(correct name for Anodonta cowperiana Lea, 1840)
Type(s): LECTOTYPE USNM_86673, [Altamaha River] Hopeton, near Darien [McIntosh Co.], Georgia.

Anodonta harpethensis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 289.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 224 [62], pl. 19, fig. 42.
Type(s): HOLOTYPE USNM_86657, Harpeth R., Tenn.

Anodonta ferruginea Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 289.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 225 [63], pl. 19, fig. 43.
Type(s): HOLOTYPE USNM_86539, Simons Creek, Indiana.

Unio tennesseensis Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 288.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 199, pl. 10, fig. 11.
Type(s): HOLOTYPE USNM_84961, Stone River, Tenn.

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.
(incorrect original spelling of Margaritana vondembuschiana Lea, 1840)

Anodonta footiana Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 289.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 225 [63], pl. 20, fig. 44.
Type(s): HOLOTYPE USNM_86468, Fort Winnebago.

Anodonta argentea Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 289.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 223, pl. 19, fig. 41.
Type(s): HOLOTYPE USNM_86538, Stones R., Tenn.

Unio fatuus Lea, 1840
Lea, 1840, Proc. Amer. Phil. Soc. 1: 287.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 201, pl. 11, fig. 14.
Type(s): HOLOTYPE USNM_86047, Holston R., Tenn.

Unio regularis Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 82.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 243, pl. 25, fig. 59.
Type(s): HOLOTYPE USNM_85067, French Broad River, E Tenn.

Unio duttonianus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 236 [74], pl. 22, fig. 50.

Unio bigbyensis Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 30.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 237 [75], pl. 22, fig. 51.
Type(s): HOLOTYPE USNM_84579, Bigby Cr., Tenn.

Unio argenteus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 82.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 242 [80], pl. 25, fig. 57.
Type(s): HOLOTYPE USNM_84778, Holston R., Tenn.

Unio georgianus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 235 [73], pl. 21, fig. 49.
Type(s): HOLOTYPE USNM_84928, Stump Cr., Ga.

Unio crocatus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 238 [76], pl. 22, fig. 52.
Type(s): HOLOTYPE USNM_84908, Savannah R., Georgia.

Unio moestus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 82 [as ‘mœstus’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 244 [82], pl. 26, fig. 60 [as ‘mæstus’].
Type(s): HOLOTYPE USNM_85320, French Broad R., E Tenn.

Unio sapotalensis Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 30.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 233 [71], pl. 21, fig. 47.
Type(s): HOLOTYPE USNM_85072, Sapotal River, near Tlacatalpan, Mexico; 60 mi S of Vera Cruz.

Unio brumbyanus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 82 [as ‘brumleyanus’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 245, pl. 26, fig. 62.
(error for Unio brumleyanus Lea, 1841)

Unio rajahensis Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 30.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 239, pl. 23, fig. 53.
Type(s): HOLOTYPE USNM_84638, Rajah’s Tank, India.

Unio tecomatensis Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 30.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 234 [72], pl. 21, fig. 48.
Type(s): LECTOTYPE USNM_85338, Tecomate River, near Tlacotalpan, [Vera Cruz State], Mexico.

Anodonta montezuma Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 240 [78], pl. 23, fig. 55.
Type(s): HOLOTYPE (MONOTYPY) AMNH_30871, Central America.

Unio sparsus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 82.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 242 [80], pl. 25, fig. 58.
Type(s): HOLOTYPE USNM_84222, Holston R., Tenn.

Anodonta globosa Lea, 1841
Lea, 1836, Synopsis Fam. Naiades: 52. [nomen nudum]
Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 241 [79], pl. 24, fig. 56.
Type(s): HOLOTYPE USNM_86701, Concha Lake, 20 leagues S Vera Cruz near Tlocatalpan, Mexico.

Unio callosus Lea, 1841
Lea, 1841, Proc. Amer. Phil. Soc. 2: 31.
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 239 [77], pl. 23, fig. 54.
Type(s): HOLOTYPE AMNH_30561, Ohio Canal, 12 mi below Columbus, Franklin Co., Ohio.

Unio lenior Lea, 1842
Lea, 1840, Proc. Amer. Phil. Soc. 1: 286 [as ‘lenis’].
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 204, pl. 12, fig. 18.
(new name for Unio lenis Lea, 1840)
Type(s): HOLOTYPE USNM_86130, Stones R., Tenn.

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)

Unio foremanianus Lea, 1842
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 247 [85], pl. 27, fig. 64.
Lea, 1843, Proc. Amer. Phil. Soc. 2: 224.
Type(s): HOLOTYPE USNM_84439, Coosa R., Alabama.

Anodonta dunlapiana Lea, 1842
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 248 [86], pl. 27, fig. 65.
Lea, 1843, Proc. Amer. Phil. Soc. 2: 225.
Type(s): LECTOTYPE USNM_86564, Charleston, S. Carolina.

Unio dariensis Lea, 1842
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 246 [84], pl. 26, fig. 61.
Lea, 1843, Proc. Amer. Phil. Soc. 2: 225.
Type(s): HOLOTYPE USNM_85691, Darien, Ga.

Unio haleianus Lea, 1842
Lea, 1842, Trans. Amer. Phil. Soc. 8 [O. 3]: 247 [85], pl. 27, fig. 63.
Lea, 1843, Proc. Amer. Phil. Soc. 2: 224.
Type(s): HOLOTYPE USNM_85306, Alexandria, La.

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)