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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!

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Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Psoronaias semigranosa

Specimen INHS_91077: Images
     Psoronaias semigranosa (von dem Busch in Philippi, 1843), Rio Saguila, Gulf of Mexico - Grijalva - Usumacinta - Chacamax, SE Emiliano Zapata, off Rt. 10, fish camp, Tabasco, Mexico

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