Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio arca nominal species Unio lazarus Sowerby, 1868
‘Lea’ Sowerby, 1868, Conch. Icon. 16: pl. 68, sp. 348.
(misidentified reference to Unio lazarus Lea, 1852)
= Elliptio arca Taxonomic Opinions
+ Elliptio arca (Conrad, 1834) — Parmalee & Bogan, 1998
+ Elliptio (s.s.) complanata (Lightfoot, 1786) — Burch, 1975
+ Elliptio (s.s.) complanata (Lightfoot, 1786) — R.I. Johnson, 1970
+ Elliptio (Eurynaia [sic]) dilatatus (Rafinesque, 1820) — Frierson, 1927
+ Unio (sec. Elliptio) gibbosus var. subgibbosus Lea, 1857 — Simpson, 1914
+ Unio (sec. Elliptio) gibbosus var. subgibbosus Lea, 1857 — Simpson, 1900
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