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 crocodilorum nominal species Unio usumacintae Martens, 1900 Crosse & Fischer, 1893. J. de Conch. 40: 294 [as ‘usumasintæ’]. Martens, 1900. Biol. Centr.-Amer., Moll.: 500 [as ‘usumacintæ’]. (new name for Unio usumasintae Crosse & Fischer, 1893) = Psoronaias crocodilorum Taxonomic Opinions+ Psoronaias crocodilorum (Morelet, 1849) — Cummings et al., 2025 = Psorula usumacintae (Crosse & Fischer, 1892) — Haas, 1969 = Rotundaria usumacintae (Crosse & Fischer) — Haas, 1929 = Psoronaias usumacintae Crosse & Fischer, 1892 — Frierson, 1927 = Unio (Pleurobema) usumacintæ Crosse & Fischer, 1892 — Martens, 1900
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