Page last updated
Thu 3 September 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 | Ambleminae | Popenaiadini | Psoronaias crocodilorum

nominal species Unio corium Reeve, 1864

= Psoronaias crocodilorum

Taxonomic Opinions

+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025

= Psoronaias semigranosa corium (Reeve, 1864) — Haas, 1969

+ Psoronaias semigranosus (von dem Busch, 1845) — Goodrich & van der Schalie, 1937

+ Psoronaias semigranosus v. d. Busch — Haas, 1930

= Psoronaias semigranosus-corium (Reeve, 1864) — Frierson, 1927

= Unio (sec. Elliptio) corium Reeve, 1864 — Simpson, 1914

= Unio corium Sowb. — Pilsbry, 1910

= Unio (sec. Elliptio) corium Reeve, 1864 — Simpson, 1900

= Unio (Psoronaias) corium Reeve, 1864 — Martens, 1900

= Unio (Psoronaias) corium Reeve, 1864 — Fischer & Crosse, 1894

+ Margaron (Unio) semigranosus (Phil.) — Lea, 1870

= Unio corium Reeve, 1864 — Reeve, 1864