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

Lea, 1852. Trans. Amer. Phil. Soc. 10 [O. 5]: 254 [10], pl. 12, fig. 1 [as ‘sordidis’].
Lea, 1852. Proc. Amer. Phil. Soc. 5: 252. [nomen nudum]
(correct name for Unio sordidis Lea, 1852)
Type(s): HOLOTYPE USNM_85688, Abbeville, S.C.
+ Elliptio congaraea (I. Lea, 1831) — Bieler, 2021: 17.
+ Elliptio (s.s.) congaraeus (Lea, 1831) — Burch, 1975: 173.
+ Elliptio (s.s.) congaraea (Lea, 1831) — R.I. Johnson, 1970: 308.
+ Elliptio (s.s.) violaceus violaceus (Spengler, 1793) — Haas, 1969: 233.
+ Elliptio (s.s.) complanatus (Dillwyn, 1817) — Frierson, 1927: 31.
= Unio (sec. Elliptio) sordidus Lea, 1852 — Simpson, 1914: 680.
= Unio (sec. Elliptio) sordidus Lea, 1852 — Simpson, 1900: 732.
= Unio sordidus Lea — B.H. Wright, 1888: [5].
= Margaron (Unio) sordidus (Lea) — Lea, 1870: 54.
+ Unio purpureus Say, 1817 — Sowerby, 1868: pl. 68, sp. 346.
= Unio (Niäa) sordidus Lea — Adams & Adams, 1857: 493.
= Unio sordidus Lea, 1852 — Conrad, 1853: 257.
= Margaron (Unio) sordidus (Lea) — Lea, 1852: 33.