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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Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Megalonaias nervosa nominal species Unio undulata Valenciennes, 1827 Valenciennes, 1827. Receuil Observ. Zool. 2(11-12): 229, pl. 54, figs. 3-3b.
(misidentified reference to Unio undulatus Barnes, 1823) = Megalonaias nervosa Taxonomic Opinions+ Megalonaias nervosa (Rafinesque, 1820) — Watters et al., 2009 + Quadrula (sec. Crenodonta) undulata (Barnes, 1823) — Simpson, 1900 + Margaron (Unio) undulatus (Bar.) — Lea, 1870 + Unio (Crenodonta) plicatus Say — Mørch, 1853 + Margaron (Unio) undulatus (Barnes) — Lea, 1852 = Unio (Theliderma) undulata Valenciennes — Swainson, 1840 + Margarita (Unio) undulatus Barnes. Valen. Hild. Desh. — Lea, 1838 + Unio costatus Raf. — Ferussac, 1835 + Unio plicatus Le Sueur — Lea, 1829
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