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 | ... | Unionidae | Ambleminae | Quadrulini | Quadrulina | Quadrula verrucosa nominal species Unio gigas Sowerby, 1867  ‘Swainson’ Sowerby, 1867. Conch. Icon. 16: pl. 56, sp. 287. (misidentified reference to Unio gigas Swainson, 1824) Type(s): MANUSCRIPT NAME BMNH_1968861, River Ohio.
= Quadrula verrucosa Taxonomic Opinions+ Tritogonia verrucosa (Rafinesque, 1820) — Watters et al., 2009 + Tritogonia verrucosa (Rafinesque, 1820) — Parmalee & Bogan, 1998 + Tritogonia verrucosa (Rafinesque, 1820) — Haas, 1969 + Quadrula (Tritogonia) verrucosa (Rafinesque, 1820) — Frierson, 1927 + Hyriopsis cumingii (Lea, 1852) — Haas, 1924 + Tritogonia tuberculata (Barnes, 1823) — Simpson, 1914 + Quadrula tritogonia nom. nov. — Ortmann, 1909 + Tritogonia tuberculata (Barnes, 1823) — Simpson, 1900 + Unio (s.s.) multiplicatus Lea, 1831 — Call, 1900
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