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 | Quadrulini | Megalonaias nervosa

nominal species Unio undulatus Say, 1831

‘Barnes’ Say, 1831, Amer. Conch. 2: pl. 16.
(misidentified reference to Unio undulatus Barnes, 1823)

= Megalonaias nervosa

Taxonomic Opinions

+ Megalonaias nervosa (Rafinesque, 1820) — Parmalee & Bogan, 1998
+ Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1914
+ Quadrula (sec. Crenodonta) heros (Say, 1829) — Simpson, 1900
+ Unio multiplicatus Lea, 1830-31 — Call, 1895
+ Margaron (Unio) multiplicatus (Lea) — Lea, 1870
+ Unio heros Say — Küster, 1855
+ Margaron (Unio) multiplicatus (Lea) — Lea, 1852
+ Unio heros Say — Hanley, 1843
+ Unio heros Say, 1829 — Conrad, 1840
+ Margarita (Unio) multiplicatus Lea — Lea, 1838
+ Margarita (Unio) multiplicatus (Lea, 1831) — Lea, 1836
+ Unio heros Say — Ferussac, 1835

Page updated: 08:16:32 Tue 01 Jul 2025