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!

Publication Goodrich & van der Schalie (1937): summary
     publication summary

Complete Citation

Goodrich, C. & H. van der Schalie. 1937. Mollusca of Petén and North Alta Vera Paz, Guatemala. Miscellaneous Publications, Museum of Zoology, University of Michigan (34). 50 pp. + 1 pl. Available electronically.

Taxonomic Opinions

Amblema digitata (Morelet, 1849) = Megalonaias nickliniana

Eupera singleyi (Pilsbry, 1889)
+ Cyclas maculata Morelet, 1851
+ Sphaerium yucatense Fischer & Crosse, 1894

Leptodea paludosa (Morelet, 1849) = Delphinonaias planivalvis
+ Unio planivalvis Morelet, 1851
+ Unio delphinulus Morelet, 1849

Leptodea paludosa (Morelet, 1849) = Delphinonaias largillierti

Nephronaias calamitarum (Morelet, 1849)

Pisidium singleyi Sterki, 1898 = Pisidium punctiferum

Plagiola nicaraguensis (Lea, 1868) = Arotonaias gabbiana

Plagiola sallei (Crosse & Fischer, 1893) = Barynaias sallei

Psoronaias semigranosus (von dem Busch, 1845) = Psoronaias semigranosa
+ Unio psoricus Morelet, 1851
+ Unio corium Reeve, 1864
+ Unio morini Morelet, 1851
+ Unio crocodilorum Morelet, 1849
+ Quadrula rudis Simpson, 1900