Unio cor Conrad, 1834
Conrad, 1834, New Fresh-Water Shells: 28, pl. 3, fig. 3.
Conrad, 1853, Proc. Acad. Nat. Sci. 6: 247.
Type(s): HOLOTYPE MCZ_178792, Elk and Flint Rivers, Alabama.

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 edgarianus Reeve, 1864
‘Lea’ Reeve, 1864, Conch. Icon. 16: pl. 15, sp. 65.
(reference to Unio edgarianus Lea, 1840)

Unio obuncus Lea, 1871
Lea, 1871, Proc. Acad. Nat. Sci. 23: 192.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 9 [13], pl. 2, fig. 5.
Type(s): HOLOTYPE USNM_84698, Holston R., E. Tenn.

Unio andersonensis Lea, 1872
Lea, 1872, Proc. Acad. Nat. Sci. 24: 155.
Lea, 1874, Jour. Acad. Nat. Sci. 8 [O. 13]: 36 [40], pl. 12, fig. 33.
Type(s): HOLOTYPE USNM_84691, Holston R., E Tenn.

Unio andorsonensis de Gregorio, 1914
‘Lea’ de Gregorio, 1914, Il Nat. Siciliano 2: 50.
(error for Unio andersonensis Lea, 1872)

Fusconaia cor var. analoga Ortmann, 1918
Ortmann, 1918, Proc. Amer. Phil. Soc. 57(6): 533.
Ortmann, 1924, Amer. Midl. Nat. 9(1): 43.
(intro'd as intra-sp. of Unio cor Conrad, 1834)
Type(s): LECTOTYPE CM_61.6326, Clinch River, Speer’s Ferry, Scott Co., Virginia.

Quadrula (Pleuronaia) analogia Frierson, 1927
‘Ortmann’ Frierson, 1927, Check List N. Amer. Naiades: 60, sp. 261.
(error for Fusconaia cor var. analoga Ortmann, 1918)