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 | Lampsilini | Ortmanniana ligamentina

nominal species Mya gravis Wood, 1828

Wood, 1828, Suppl. Index Testac.: 3, pl. 1, sp. 6.
Hanley in Wood & Hanley, 1856, Index Testac.: 199, pl. 1, fig. 6.

= Ortmanniana ligamentina

Taxonomic Opinions

+ Actinonaias ligamentina (Lamarck, 1819) — Williams et al., 2008
+ Actinonaias ligamentina (Lamarck, 1819) — Parmalee & Bogan, 1998
+ Lampsilis (Ortmanniana) carinata carinata (Barnes, 1823) — Haas, 1969
+ Lampsilis (Ortmanniana) carinata (Barnes, 1823) — Frierson, 1927
+ Lampsilis (Eurynia) ligamentina (Lamarck, 1819) — Simpson, 1914
+ Lampsilis (sec. Eurynia) ligamentinus Lamarck — Simpson, 1900
+ Margaron (Unio) ligamentinus (Lam.) — Lea, 1870
+ Unio crassus Say — Sowerby, 1866
+ Margaron (Unio) ligamentinus (Lam.) — Lea, 1852
+ Unio crassus Say — Hanley, 1843
+ Margarita (Unio) crassus Say. Bar. — Lea, 1838
+ Margarita (Unio) crassus (Say, 1817) — Lea, 1836
+ Unio crassus Say, Raf. — Ferussac, 1835
= Mya gravis Wood, 1828 — Wood, 1828
+ Unio cariosus Say, 1817 — Wood, 1828

Page updated: 08:15:53 Tue 01 Jul 2025