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Thu 3 September 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!

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Publication Marshall (1923): summary
     publication summary

Complete Citation

Marshall, W.B. 1923. New pearly freshwater mussels from Mexico and Uruguay. Proceedings of the United States National Museum 63(2485): 1-4. Available electronically.

Attributed Nominal Species

Diplodon podagrosus Marshall, 1923
Marshall, 1923. Proc. U.S. Nat. Mus. 63(2485): 3, pl. 1, figs. 1-2, 5; pl. 2, figs. 67.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_346770, Colon, Entre Rios Prov., Argentina.

Diplodon (Bulloideus ?) perfragilis Marshall, 1923
Marshall, 1923. Proc. U.S. Nat. Mus. 63(2485): 2, pl. 1, figs. 3-4; pl. 2, figs. 1-3.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_346801, Colonia, Uruguay.

Elliptio herrerae Marshall, 1923
Marshall, 1923. Proc. U.S. Nat. Mus. 63(2485): 1, pl. 1, figs. 6-8; pl. 2, figs. 4-5; pl. 3.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_347183, Estera del Avileno, Tamaulipas, Mexico.

 
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