Rotundaria Agassiz, 1852
‘Rafinesque’ of Authors.
Agassiz, 1852, Arch. Naturg. 18(1): 48.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 765.
Ortmann, 1909, Ann. Carnegie Mus. 5: 201.
Ortmann, 1910, Nautilus 23(11): 140.
Ortmann, 1912, Ann. Carnegie Mus. 8: 257.
Simpson, 1914, Descr. Cat. Naiades: 811.
Utterback, 1915, Amer. Midl. Nat. 4(4): 149.
Ortmann, 1918, Proc. Amer. Phil. Soc. 57(6): 543.
Haas, 1929, Senckenbergiana 11: 333.
Haas, 1930, Senckenbergiana 12(6): 319.
(reference to Rotundaria Rafinesque, 1820)
Type species: Obliquaria (Rotundaria) tuberculata Rafinesque, 1820 () = Cyclonaias tuberculata

Pterosygna Simpson, 1900
‘Rafinesque’ of Authors.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 665.
Ortmann, 1909, Ann. Carnegie Mus. 5: 196.
Simpson, 1914, Descr. Cat. Naiades: 490.
Ortmann, 1914, Nautilus 28(4): 43.
Walker, 1918, Occ. Pap. Mus. Zool. Univ. Mich. (49): 2.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 147.
Haas, 1930, Senckenbergiana 12(6): 326.
(error for Pterosyna Rafinesque, 1831)

Amygdalonajas Ortmann, 1909
Ortmann, 1909, Ann. Carnegie Mus. 5: 192.
Ortmann, 1912, Ann. Carnegie Mus. 8: 327.
Ortmann, 1914, Nautilus 28(6): 67.
(error for Amygdalonaias Fischer & Crosse, 1894)

Quadrula lachrymosa Swainson, 1840
‘Lea’ of Authors.
Swainson, 1840, Treat. Malacol.: 378.
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 177.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 256.
Adams & Adams, 1857, Gen. Rec. Moll. 2(31-32): 497.
Reeve, 1864, Conch. Icon. 16: pl. 9, sp. 33.
Call, 1895, Trans. Acad. Sci. St. Louis 7: 21.
F.C. Baker, 1898, Bull. Chicago Acad. Sci. 3(1): 83, pl. 25, fig. 1; pl. 12, fig. 2.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 776.
Call, 1900, Ind. Dept. Geol. Nat. Res. (1899): 489.
Ortmann, 1909, Nautilus 22(10): 100.
Ortmann, 1909, Ann. Carnegie Mus. 5: 199.
Ortmann, 1910, Nautilus 23(11): 140.
Ortmann, 1910, Nautilus 23: 116.
Ortmann, 1912, Ann. Carnegie Mus. 8: 253.
Simpson, 1914, Descr. Cat. Naiades: 839, 841.
Vanatta, 1915, Proc. Acad. Nat. Sci. 67: 556.
Ortmann & Walker, 1922, Occ. Pap. Mus. Zool. Univ. Mich. (112): 14, 16.
Frierson, 1927, Check List N. Amer. Naiades: 47.
F.C. Baker, 1928, Bull. Wisconsin Geol. Nat. Hist. Survey 70(2): 84.
R.I. Johnson, 1980, Bull. MCZ 149(2): 90.
Vidrine, 1993, Histr. Distr. Freshw. Mussels LA: 53.
Strayer & Jirka, 1997, Pearly Mussels NY (26): 98.
(error for Unio lacrymosus Lea, 1828)

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)

Quadrula tritogonia Ortmann, 1909
Ortmann, 1909, Nautilus 22(10): 101.
Ortmann, 1909, Ann. Carnegie Mus. 5: 193.
(new name for Unio tuberculatus Barnes, 1823)

Alasmidonta (Pressodonta) heterodon (Lea)

Alasmidonta (Rugifera) marginata (Say)
+ Margaritana marginata var. truncata B.H. Wright, 1898
+ Margaritana marginata var. truncata B.H. Wright, 1898

Alasmidonta (Rugifera) marginata varicosa (Lamarck)

Alasmidonta undulata (Say)

Anodonta cataracta Say

Anodonta grandis Say

Anodonta grandis footiana Lea

Anodonta grandis var. benedictensis Lea

Anodonta grandis var. gigantea Lea

Anodonta grandis var. salmonia Lea

Anodonta imbecillis Say

Anodonta implicata Say

Anodontoides ferussacianus (Lea)

Anodontoides ferussacianus var. subcylindraceus (Lea)

Cyprogenia irrorata (Lea)

Lampsilis (Carunculina) parva (Barnes)

Lampsilis cariosa (Say)

Lampsilis iris (Lea)

Lampsilis ligamentina (Lamarck)

Lampsilis luteola (Lamarck)

Lampsilis multiradiata (Lea)

Lampsilis nasuta (Say)

Lampsilis ochracea (Say)

Lampsilis orbiculata (Hildreth)

Lampsilis radiata (Gmelin)

Lampsilis recta (Lamarck)

Lampsilis ventricosa (Barnes)

Lampsilis ventricosa ovata (Say)

Margaritana margaritifera (Linnæus)

Micromya fabalis (Lea)

Obliquaria reflexa Rafinesque

Obovaria (Pseudoon) ellipsis (Lea)

Obovaria circulus (Lea)
+ Unio lens Lea, 1831

Obovaria retusa (Lamarck)

Plagiola (Amygdalonajas) [sic] donaciformis (Lea)

Plagiola (Amygdalonajas) [sic] elegans (Lea)

Plagiola securis (Lea)

Pleurobema clava (Lamarck)

Pleurobema æsopus (Green)

Proptera alata (Say)

Proptera gracilis (Barnes)

Ptychobranchus phaseolus (Hildreth)

Quadrula (Rotundaria) tuberculata (Rafinesque)

Quadrula coccinea (Conrad)

Quadrula cooperiana (Lea)

Quadrula cylindrica (Say)

Quadrula lachrymosa [sic] (Lea)

Quadrula metanevra (Rafinesque)

Quadrula obliqua (Lamarck)
+ Unio pyramidatus Lea, 1831
+ Unio plenus Lea, 1840

Quadrula pustulosa (Lea)

Quadrula rubiginosa (Lea)

Quadrula subrotunda (Lea)

Quadrula subrotunda kirtlandiana (Lea)

Quadrula tritogonia nom. nov.
+ Unio (Theliderma) pustulata Swainson, 1840
+ Unio gigas Sowerby, 1867

Quadrula undulata (Barnes)

Quadrula undulata hippopæa [sic] (Lea)

Strophitus undulatus (Say)
+ Alasmodonta edentula Say, 1829

Symphynota (Lasmigona) costata (Rafinesque)

Symphynota (Pterosygna) [sic] complanata (Barnes)

Symphynota compressa Lea

Symphynota viridis (Conrad)

Truncilla (Pilea) perplexa rangiana (Lea)

Truncilla triquetra Rafinesque

Unio complanatus (Dillwyn)

Unio crassidens Lamarck

Unio fisherianus Lea

Unio gibbosus Barnes