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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Unionoida | Unionoidea | Unionidae | Ambleminae | Popenaiadini | Psoronaias semigranosa nominal species Unio crocodilorum var. B semipustulata Fischer & Crosse, 1894
Fischer & Crosse, 1894, Miss. Sci. Mexique, Rech. Zool. 2(16): 578, pl. 60, fig. 4.
(intro'd as intra-sp. of Unio crocodilorum Morelet, 1849)
Type(s): PARATYPES BMNH_1893-2-4-2032, River Usumacinta, Guatemala.
= Psoronaias semigranosa Taxonomic Opinions
+ Psoronaias crocodilorum (Morelet, 1849) — Haas, 1969
+ Psoronaias crocodilarum [sic] (Morelet) — Haas, 1929
+ Psoronaias crocodilorum (Morelet, 1849) — Frierson, 1927
+ Unio (Psoronaias) crocodilorum Morelet, 1849 — Martens, 1900
= Unio (Psoronaias) crocodilorum var. B, semipustulata — Fischer & Crosse, 1894
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