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 Morelet, 1849

Morelet, 1849, Test. Nov. 1: 28.
Type(s): SYNTYPE BMNH_1893-2-4-2030, River Usumacinta, Central America.

= Psoronaias semigranosa

Taxonomic Opinions

+ Psoronaias semigranosa (von dem Busch in Philippi, 1843) — Graf & Cummings, 2021
= Psoronaias crocodilorum Morelet, 1849 — Bogan, 2010
= Psoronaias crocodilorum (Morelet, 1849) — Graf & Cummings, 2007
= Psoronaias crocodilorum (Morelet, 1849) — Haas, 1969
+ Psoronaias semigranosus (von dem Busch, 1845) — Goodrich & van der Schalie, 1937
= Psoronaias crocodilorum Mor. — Haas, 1930
= Psoronaias crocodilarum [sic] (Morelet) — Haas, 1929
= Psoronaias crocodilorum (Morelet, 1849) — Frierson, 1927
= Unio (sec. Elliptio) crocodilarum [sic] Morelet, 1849 — Simpson, 1914
= Unio (sec. Elliptio) crocodilarum [sic] Morelet, 1849 — Simpson, 1900
= Unio (Psoronaias) crocodilorum Morelet, 1849 — Martens, 1900
= Unio (Psoronaias) crocodilorum A. Morelet, 1849 — Fischer & Crosse, 1894
+ Margaron (Unio) pliciferus (Lea) — Lea, 1870
= Unio crocodilorum Morelet, 1849 — Reeve, 1864
- NO OPINION — Lea, 1852
= Unio crocodilorum — Morelet, 1849

Page updated: 12:08:02 Tue 03 Jun 2025