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 | Pleurobemini | Fusconaia mitchelli

nominal species Unio (sec. Elliptio) mitchelli var. elongatus Simpson, 1914

Simpson, 1914, Descr. Cat. Naiades: 623.
(homonym of Unio elongata Lamarck, 1819; intro'd as intra-sp. of Unio mitchelli Dall, 1895)
Type(s): LECTOTYPE USNM_251917, Guadalupe River, near Kerrville, Texas.

= Fusconaia mitchelli

Taxonomic Opinions

+ Fusconaia mitchelli (Simpson in Dall, 1895) — Smith et al., 2020
+ Quincuncina mitchelli (Simpson, 1896) — R.I. Johnson, 1999
+ Quincuncina mitchelli (Simpson in Dall, 1896) — Howells et al., 1996
+ Nephronaias (Sphenonaias) taumilapana (Conrad, 1855) — Haas, 1969
= Elliptio (Barynaias) tamaulipasensis-elongatus (Simpson, 1914) — Frierson, 1927
= Unio (sec. Elliptio) mitchelli var. elongatus n.v. — Simpson, 1914

Page updated: 08:35:45 Tue 01 Jul 2025