Page last updated
9 August

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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 search fields. Either way, you win!

Taxa known only as fossils are highlighted in gray. Those without representatives in fresh waters are highlighted in gold.



Bivalvia | Unionoida | Unionidae

NOTICE! This version of the MUSSELpdb online is no longer supported or up-to-date. It will be removed from this web site in the summer of 2019.

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Psoronaias Fischer & Crosse, 1894: species
  View generic synonymy: 1 genus-level nomen

*Psoronaias crocodilorum (Morelet, 1849)
6 synonyms | 17 specimens
Distribution: Usumacinta River, Guatemala.
*Psoronaias distincta (Crosse & Fischer, 1893)
1 species-level nomen | 18 specimens
Distribution: Vera Cruz, Mexico.
*Psoronaias herrerae (Marshall, 1923)
1 species-level nomen | 4 specimens
Distribution: Tamaulipas, Mexico.
*Psoronaias kuxensis Frierson, 1917
1 species-level nomen | 10 specimens
Distribution: Guatemala.
*Psoronaias martensi Frierson, 1927
2 synonyms | 1 specimen
Distribution: Guatemala.
*Psoronaias morini (Morelet, 1851)
1 species-level nomen | 5 specimens
Distribution: Guatemala.
*Psoronaias ostreata (Morelet, 1849)
1 species-level nomen | 9 specimens
Distribution: Guatemala to southern Mexico.
*Psoronaias semigranosa (Philippi, 1843)
7 synonyms | 87 specimens
Distribution: Guatemala to southern Mexico.
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