Obliquaria (Rotundaria) subrotunda var. maculata Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 308.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 52.
(intro'd as intra-sp. of Obliquaria (Rotundaria) subrotunda Rafinesque, 1820)

Unio brevialis Crouch, 1827
‘Lamarck’ Crouch, 1827, Illustr. Lamarck’s Conch.: 16, pl. 9, fig. 3.
(misidentified reference to Unio brevialis Lamarck, 1819)

Unio subrotundus Lea, 1831
Lea, 1831, Trans. Amer. Phil. Soc. 4 [O. 1]: 117 [127], pl. 18, fig. 45.
Type(s): HOLOTYPE USNM_85832, Cincinnati, Ohio.

Unio kirtlandianus Lea, 1834
Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 98 [210], pl. 14, fig. 41.
Type(s): HOLOTYPE USNM_85815, Mahoning R., Ohio.

Unio personatus Conrad, 1834
‘Say’ Conrad, 1834, New Fresh-Water Shells: 71.
(misidentified reference to Unio personatus Say, 1829)

Unio kirtlandicus Ferussac, 1835
‘Lea’ Ferussac, 1835, Mag. Zool. 5: 29.
(error for Unio kirtlandianus Lea, 1834)

Unio politus Conrad, 1837
Say, 1834, Amer. Conch. 6: ??. [nomen nudum]
Conrad, 1837, Monogr. Fam. Unionidae 1(8): 67, pl. 37, fig. 2.

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 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 kirklandianus Hanley, 1843
Hanley, 1843, Illustr. Descr. Cat. Rec. Bivalve Shells: 203.
ITIS, 2012, ITIS: [web].
(error for Unio kirtlandianus Lea, 1834)

Unio leseurianus Conrad, 1853
‘Lea’ of Authors.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 251.
Frierson, 1927, Check List N. Amer. Naiades: 56.
(error for Unio lesueurianus Lea, 1840)

Unio subrotundoides Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 163.

Unio globatus Lea, 1871
Lea, 1871, Proc. Acad. Nat. Sci. 23: 191.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 5 [9], pl. 1, fig. 1.
Type(s): HOLOTYPE USNM_85820, Holston R., Tenn.

Unio ebenus Call, 1894
Call, 1894, Proc. Indiana Acad. Sci. 1893(3): ??.
(misidentified reference to Unio ebenus Lea, 1831)

Unio bursapastoris B.H. Wright, 1896
B.H. Wright, 1896, Nautilus 9(12): 133, pl. 3, fig. 2 [as ‘bursa-pastoris’].
Type(s): LECTOTYPE USNM_133427, Clinch R., Lee Co., Va.

Quadrula flexuosa Simpson, 1900
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 83, pl. 2, fig. 8.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 790.
Simpson, 1914, Descr. Cat. Naiades: 887.

Quadrula (sec. Fusconaia) kirtlandiana var. minor Simpson, 1900
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 791.
Simpson, 1914, Descr. Cat. Naiades: 892.
(intro'd as intra-sp. of Unio kirtlandianus Lea, 1834)
Type(s): LECTOTYPE USNM_150155, Scott Co., Va.

Quadrula andrewsae Marsh, 1902
Marsh, 1902, Nautilus 16: 8, pl. 1, upper figs.
(error for Quadrula andrewsii Marsh, 1902)

Quadrula andrewsii Marsh, 1902
Marsh, 1902, Nautilus 15(10): 115.
Marsh, 1902, Nautilus 16: 8, pl. 1, two upper figs. [as andrewsæ].

Quadrula beauchampii Marsh, 1902
Marsh, 1902, Nautilus 16: 7, pl. 1, lower two figs.

Fusconaja [sic] subrotunda leucogona Ortmann, 1913
Ortmann, 1913, Nautilus 27(8): 89.
(intro'd as intra-sp. of Unio subrotundus Lea, 1831)
Type(s): LECTOTYPE CM_61.5239, Elk River, Gassaway, Braxton County, West Virginia.

Fusconaia subtrotunda Ortmann, 1925
‘Lea’ Ortmann, 1925, Amer. Midl. Nat. 9: 328.
(error for Unio subrotundus Lea, 1831)

Fusconaia subrotunda lesueriana ITIS, 2012
‘Lea’ ITIS, 2012, ITIS: [web].
(error for Unio lesueurianus Lea, 1840)