Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio congaraea

Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 254 [10], pl. 12, fig. 2.
Lea, 1852. Proc. Amer. Phil. Soc. 5: 251. [nomen nudum]
Type(s): HOLOTYPE USNM_85685, Abbeville, S.C.
+ Elliptio (s.s.) congaraeus (Lea, 1831) — Burch, 1975: 164.
+ Elliptio (s.s.) congaraea (Lea, 1831) — R.I. Johnson, 1970: 308.
+ Elliptio (s.s.) congaraeus (Lea, 1831) — Frierson, 1927: 25.
+ Unio (sec. Elliptio) sordidus Lea, 1852 — Simpson, 1914: 681.
+ Unio (sec. Elliptio) sordidus Lea, 1852 — Simpson, 1900: 732.
= Unio gibbesianus Lea — B.H. Wright, 1888: [3].
= Margaron (Unio) gibbesianus (Lea) — Lea, 1870: 54.
= Unio (Niäa) gibbesianus Lea — Adams & Adams, 1857: 493.
= Unio gibbesianus Lea, 1852 — Conrad, 1853: 250.
= Margaron (Unio) gibbesianus (Lea) — Lea, 1852: 33.