Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Eurynia dilatata

B.H. Wright, 1898. Nautilus 11(11): 123.
(intro'd as intra-sp. of Unio gibbosus Barnes, 1823)
Type(s): LECTOTYPE USNM_150523, Armathwaite, Fentress Co., Tenn.
+ Elliptio dilatata (Rafinesque, 1820) — Watters et al., 2009: 86.
+ Elliptio dilatata (Rafinesque, 1820) — Williams et al., 2008: 191.
+ Elliptio dilatata (Rafinesque, 1820) — Parmalee & Bogan, 1998: 79.
= Elliptio (Eurynia) nasutus armathwaitensis (Wright, B.H., 1898) — Haas, 1969: 245.
= Elliptio (Eurynaia [sic]) dilatatus-armathwaitensis (Wright, B.H., 1898) — Frierson, 1927: 34, sp. 117c.
= Unio (sec. Elliptio) gibbosus var. armathwaitensis Wright, B.H., 1898 — Simpson, 1914: 599.
= Unio (sec. Elliptio) gibbosus var. armathwaitensis Wright, B.H., 1898 — Simpson, 1900: 704.