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Wed 1 October 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 | ... | Unionoidea | Unionidae | Gonideinae | Gonideini | Ptychorhynchus murinum

nominal species Unio simpularius Heude, 1884

= Ptychorhynchus murinum

Taxonomic Opinions

+ Ptychorhynchus murinum (Heude, 1883) — He & Zhuang, 2013

+ Ptychorhynchus murinum (Heude, 1883) — Haas, 1969

= Ptychorhynchus simpulare [sic] (Heude, 1884) — Haas, 1924

+ Parreysia (s.s.) modesta (Heude, 1877) — Simpson, 1914

= Parreysia (s.s.) simpularis [sic] (Heude, 1884) — Simpson, 1900

= Unio simpularius Heude — Heude, 1884