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 | Pleurobemini | Fusconaia masoni nominal species Unio utriculus Lea, 1845  Lea, 1845. Proc. Amer. Phil. Soc. 4: 164.
 Lea, 1848. Trans. Amer. Phil. Soc. 10 [O. 4]: 69 [43], pl. 1, fig. 3.
Type(s): HOLOTYPE USNM_85172, N.C.
= Fusconaia masoni Taxonomic Opinions+ Fusconaia masoni (Conrad, 1834) — Graf & Cummings, 2021 = Lexingtonia utricula — Cummings & Graf, 2010 = Lexingtonia utricula (Lea, 1845) — Graf & Cummings, 2007 = Lexingtonia utriculus (Lea, 1845) — Haas, 1969 = Pleurobema (Lexingtonia) utriculum (Lea, 1845) — Frierson, 1927 = Pleurobema (s.s.) utriculum (Lea, 1845) — Simpson, 1914 = Quadrula (sec. Fusconaia) utriculus (Lea, 1845) — Simpson, 1900 = Unio utriculus Lea — B.H. Wright, 1888 = Margaron (Unio) utriculus (Lea) — Lea, 1870 = Unio utriculus Lea, 1845 — Conrad, 1853 = Margaron (Unio) utriculus (Lea) — Lea, 1852
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