Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio

Lea, 1857. Proc. Acad. Nat. Sci. 9: 171.
Lea, 1859. Jour. Acad. Nat. Sci. 4 [O. 7]: 198 [16], pl. 23, fig. 81.
Type(s): LECTOTYPE USNM_85675, Flint R., Albany, Georgia.
Unio (sec. Elliptio) arctatus var. tortivus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) nigellus — Frierson (1927), Haas (1969)
Elliptio strigosus — Clench & Turner (1956)
Elliptio (s.s.) nigella — Burch (1975)
Elliptio arctata — Parmalee & Bogan (1998)
Elliptio purpurella — Brim Box & Williams (2000), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), Cummings & Graf (2010), ... FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025), Campbell & Lydeard (2026)
Elliptio purpurellus — Haag (2012)
Unio (sec. Elliptio) arctatus var. tortivus — Simpson (1900), Simpson (1914)
Elliptio (s.s.) nigellus — Frierson (1927), Haas (1969)
Elliptio strigosus — Clench & Turner (1956)
Elliptio (s.s.) nigella — Burch (1975)
Elliptio arctata — Parmalee & Bogan (1998)
Elliptio purpurella — Brim Box & Williams (2000), Graf & Cummings (2007), Williams et al. (2008), Bogan (2010), Cummings & Graf (2010), ... FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025), Campbell & Lydeard (2026)
Elliptio purpurellus — Haag (2012)