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

Lea, 1857. Proc. Acad. Nat. Sci. 9: 86.
Lea, 1862. Jour. Acad. Nat. Sci. 5 [O. 8]: 55 [59], pl. 1, fig. 201.
Type(s): HOLOTYPE USNM_85251, Deep R., N.C.
+ Elliptio (s.s.) complanata (Lightfoot, 1786) — Burch, 1975: 173.
+ Elliptio (s.s.) complanata (Lightfoot, 1786) — R.I. Johnson, 1970: 315.
= Elliptio (s.s.) spadiceus (Lea, 1857) — Haas, 1969: 241.
= Elliptio (s.s.) spadiceus (Lea, 1857) — Frierson, 1927: 33, sp. 109.
= Unio (sec. Elliptio) spadiceus Lea, 1857 — Simpson, 1914: 681.
= Unio (sec. Elliptio) spadiceus Lea, 1857 — Simpson, 1900: 732.
= Unio spadiceus Lea — B.H. Wright, 1888: [5].
= Margaron (Unio) spadiceus (Lea) — Lea, 1870: 48.