The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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Unionoida | Unionoidea | Unionidae | Ambleminae | Pleurobemini | Elliptio crassidens

nominal species Unio crassus Sowerby, 1868

‘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

Page updated: 08:24:29 Tue 01 Jul 2025