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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 | ... | Ambleminae | Popenaiadini | Popenaias semirasa

Specimen USNM_1282583-86: Images
Popenaias semirasa (Pilsbry, 1910), Small river (local lad called it Rio Vallejares and said it was tributary to Rio Ganina) at bridge of Estacion Rascon-Damian Carmona road ca 1.8 roadmiles N of railroad crossing in Estacion Rascon, San Luis Potosi, Mexico

specimen

"Making the world a better place, one mollusk at a time."
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