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 | Unioninae | Unionini | Unionina | Unio tumidus nominal species Unio spengeli Servain, 1888 = Unio tumidus Taxonomic Opinions= Unio tumidus var. spengeli Bgt. ap. Servain — Westerlund, 1890 = Unio (Tumidusiana) spengeli Bourg. — Locard, 1889 = Unio (Tumidiana) spengeli Bourguignat , in coll. 1882 — Servain, 1888
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