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 | Lampsilini | Ptychobranchus occidentalis nominal species Ptychobranchus clintonensis Simpson, 1900
 
Simpson, 1900, Proc. Acad. Nat. Sci. 52: 79, pl. 5, fig. 3.
Simpson, 1900, Proc. U.S. Nat. Mus. 22: 613.
Simpson, 1914, Descr. Cat. Naiades: 335.
Type(s): HOLOTYPE USNM_124615, Little Red R., near Clinton, Ark.
= Ptychobranchus occidentalis Taxonomic Opinions
+ Ptychobranchus occidentalis (Conrad, 1836) — Oesch, 1984
+ Ptychobranchus occidentalis (Conrad, 1836) — R.I. Johnson, 1980
+ Ptychobranchus (s.s.) occidentalis (Conrad, 1836) — Haas, 1969
+ Ptychobranchus (s.s.) occidentalis (Conrad, 1836) — Frierson, 1927
= Ellipsaria clintonensis (Simpson) — Utterback, 1916
= Ptychobranchus clintonense Simpson, 1900 — Simpson, 1914
= Ptychobranchus clintonensis Simpson, 1900 — Ortmann, 1912
= Ptychobranchus clintonensis Simpson, 1900 — Simpson, 1900
= Ptychobranchus clintonensis Simpson — Simpson, 1900
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