Unio (Eurynia) teres Rafinesque, 1820
Rafinesque, 1820, Ann. Gén. Sci. Phys. 5 (13): 321.
Rafinesque, 1864, [in] Binney & Tryon, reprint: 63.
Type(s): NEOTYPE INHS_89410, Wabash River, 3.4 km SSE of Calvin, IL.

Unio anodontoides Lea, 1831
Lea, 1831, Trans. Amer. Phil. Soc. 4 [O. 1]: 81 [91], pl. 8, fig. 11.

Unio teres Say, 1834
‘Rafinesque’ of Authors.
Say, 1834, Amer. Conch. 6: ??.
Conrad, 1836, Monogr. Fam. Unionidae 1(6): 52, pl. 28.
(reference to Unio (Eurynia) teres Rafinesque, 1820)

Unio anadontoides Küster, 1853
‘Lea’ Küster, 1853, Conchyl. Cab. 9(2): 68.
(error for Unio anodontoides Lea, 1831)

Unio anodontoides Reeve, 1865
‘Lea’ Reeve, 1865, Conch. Icon. 16: pl. 21, fig. 97.
(reference to Unio anodontoides Lea, 1831)

Unio oriens Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 63, sp. 314.
(misidentified reference to Unio oriens Lea, 1831)

Unio preanodontoides Whitfield, 1885
Whitfield, 1885, U.S. Geol. Surv. Mon. 9: 250, pl. 31, fig. 2.

Lampsilis anodontoides F.C. Baker, 1898
F.C. Baker, 1898, Bull. Chicago Acad. Sci. 3(1): pl. 10, fig. 3. [in part]
(reference to Unio anodontoides Lea, 1831)

Lampsilis anodontoides F.C. Baker, 1898
F.C. Baker, 1898, Bull. Chicago Acad. Sci. 3(1): pl. 10, figs. 1-2. [in part]
(reference to Unio anodontoides Lea, 1831)

Lampsilis fallaciosus Smith, 1899
Smith, 1899, Bull. U.S. Fish. Comm. 18: 291, pl. 79 (bottom).
Type(s): HOLOTYPE USNM_30023A, Ohio R., Sedamsville, Ohio.

Unio oblitus Haas, 1930
‘Say’ Haas, 1930, Senckenbergiana 12(6): 328. [MS]
(intro'd as syn of Unio (Eurynia) teres Rafinesque, 1820)