Unio caroliniana Bosc, 1801
Bosc, 1801, Hist. Nat. Coquilles 3: 142.
Bosc, 1824, Hist. Nat. Coquilles 3: 139, pl. 23, fig. 2.

Unio obesus Lea, 1831
Lea, 1831, Trans. Amer. Phil. Soc. 4 [O. 1]: 96, pl. 13, fig. 26.
Type(s): HOLOTYPE USNM_85366, Little Ogeechee, Georgia.

Unio blandingianus Lea, 1834
Lea, 1834, Trans. Amer. Phil. Soc. 5 [O. 1]: 101, pl. 15, fig. 44.
Type(s): HOLOTYPE USNM_85715, St. Johns R., Fla.

Unio paludicolus Gould, 1845
Gould, 1845, Proc. Boston Soc. Nat. Hist. 2: 53.
Type(s): LECTOTYPE MCZ_169278, Everglades of Florida.

Unio hebes Lea, 1852
Lea, 1852, Trans. Amer. Phil. Soc. 10 [O. 5]: 267 [23], pl. 18, fig. 21.
Type(s): HOLOTYPE USNM_85383, Oconee R., near Athens, Georgia.

Unio ineptus Lea, 1852
Lea, 1852, Trans. Amer. Phil. Soc. 10 [O. 5]: 261 [17], pl. 15, fig. 12.
Type(s): HOLOTYPE USNM_85326, Abbeville District, SC.

Unio carolinanus Conrad, 1853
‘Bosc’ Conrad, 1853, Proc. Acad. Nat. Sci. 6: 246.
(error for Unio caroliniana Bosc, 1801)

Unio carolinensis Mörch, 1853
‘Bosc’ of Authors.
Mörch, 1853, Cat. Conch. Yoldi 2: 46.
Campbell & Lydeard, 2012, Amer. Malac. Bull. 30(1): 33.
(error for Unio caroliniana Bosc, 1801)

Unio paludicolor Conrad, 1853
‘Gould’ Conrad, 1853, Proc. Acad. Nat. Sci. 6: 254.
(error for Unio paludicolus Gould, 1845)

Unio cicur Lea, 1861
Lea, 1861, Proc. Acad. Nat. Sci. 13: 39.
Lea, 1862, Jour. Acad. Nat. Sci. 5 [O. 8]: 93 [97], pl. 13, fig. 241.
Type(s): HOLOTYPE USNM_85532, Little Ocmulgee R., Georgia.

Unio squalidus Lea, 1863
Lea, 1863, Proc. Acad. Nat. Sci. 15: 192.
Lea, 1866, Jour. Acad. Nat. Sci. 6 [O. 11]: 22 [26], pl. 7, fig. 20.
Type(s): HOLOTYPE USNM_85376, Roanoke R., Weldon, N.C.

Unio bisselianus Lea, 1867
Lea, 1867, Proc. Acad. Nat. Sci. 19: 81.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 277 [37], pl. 37, fig. 90.
Type(s): HOLOTYPE USNM_85373, Bissels Pond, Charlotte, N.C.

Unio jewettii Lea, 1867
Lea, 1867, Proc. Acad. Nat. Sci. 19: 81.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 276 [36], pl. 37, fig. 89.
Type(s): HOLOTYPE USNM_85374, Sink of Noonan’s Lake, Fla.

Unio pawensis Lea, 1868
Lea, 1868, Proc. Acad. Nat. Sci. 20: 161.
Lea, 1868, Jour. Acad. Nat. Sci. 6 [O. 12]: 302 [62], pl. 45, fig. 114.
Type(s): HOLOTYPE USNM_85380, Catawba R., N.C.

Unio rivicolus Conrad, 1868
Conrad, 1868, Amer. J. Conch. 4: 280, pl. 18, fig. 4.
Type(s): HOLOTYPE ANSP_41411, Tampa, Fla.

Unio bissellianus Lea, 1870
‘Lea’ of Authors.
Lea, 1870, Synopsis Fam. Naiades: 50.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 743.
Simpson, 1914, Descr. Cat. Naiades: 714.
Frierson, 1927, Check List N. Amer. Naiades: 35.
Haas, 1969, Das Tierreich 88: 210.
(error for Unio bisselianus Lea, 1867)