Page last updated
Thu 17 July 2025

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!

Bivalvia | ... | Unionidae | Ambleminae | Lampsilini | Ptychobranchus

species Ptychobranchus occidentalis (Conrad, 1836): specimens
     2 available nominal species synonyms

Recent Taxonomic Opinions

Ptychobranchus occidentalis — Graf & Cummings (2007), Bogan (2010), Cummings & Graf (2010), ITIS (2012), Haag (2012), McMurray et al. (2012), Roe (2013), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)

Range

Ozark Plateau, USA.

Map of Georeferenced Specimens

USA