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

nominal species Unio crassus Sowerby, 1868

Unio crassus Sowerby, 1868 = Elliptio crassidens

specimen image from publication‘Say’ Sowerby, 1868. Conch. Icon. 16: pl. 95, sp. 520.
(misidentified reference to Unio crassus Say, 1817)

= Elliptio crassidens

Taxonomic Opinions

+ Elliptio crassidens (Lamarck, 1819) — Watters et al., 2009

+ Elliptio crassidens Lamarck, 1819 — Parmalee & Bogan, 1998

+ Elliptio (s.s.) crassidens crassidens (Lamarck, 1819) — Haas, 1969

+ Lampsilis (Ortmanniana) carinata-calendis (Rafinesque, 1831) — Frierson, 1927

+ Lampsilis (Eurynia) ligamentina var. gibba Simpson, 1900 — Simpson, 1914

+ Lampsilis (sec. Eurynia) ligamentinus var. gibbus Simpson — Simpson, 1900