Page last updated
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 | Ambleminae | Popenaiadini | Psoronaias crocodilorum

nominal species Unio morini Morelet, 1851

= Psoronaias crocodilorum

Taxonomic Opinions

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

+ Psoronaias semigranosa (von dem Busch in Philippi, 1843) — Graf & Cummings, 2021

= Psoronaias morini Morelet, 1851 — Bogan, 2010

= Psoronaias morini (Morelet, 1851) — Graf & Cummings, 2007

= Psoronaias morini (Morelet, 1851) — Haas, 1969

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

= Psoronaias morini Mor. — Haas, 1930

= Psoronaias morini (Morelet) — Haas, 1929

= Psoronaias morini (Morelet, 1851) — Frierson, 1927

= Unio (sec. Elliptio) morini Morelet, 1851 — Simpson, 1914

= Unio (sec. Elliptio) morini Morelet, 1851 — Simpson, 1900

= Unio (Psoronaias) morini Morelet, 1851 — Martens, 1900

= Unio (Psoronaias) morini A. Morelet, 1851 — Fischer & Crosse, 1894

+ — Lea, 1870

+ — Lea, 1852