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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 Marshall (1922): summary
     publication summary

Complete Citation

Marshall, W.B. 1922. New pearly freshwater mussels from South America. Proceedings of the United States National Museum 61(2437): 1-9 . Available electronically.

Attributed Nominal Genera

Diplodontites Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 1.
Type species: Diplodontites cookei Marshall, 1922 (orig. desig.) = Diplodontites cookei

Attributed Nominal Species

Anodontites colombiensis Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 7, pl. 1, fig. 5; pl. 2, figs. 13-14; pl. 3, figs. 5, 13-14.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_341472, Dept. Santander, Colombia.

Anodontites pittieri Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 6, pl. 1, figs. 9, 11; pl. 2, figs. 1, 12; pl. 3, fig. 6.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_339954, Guaremales, Venezuela.

Diplodon arcuatus Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 4, pl. 1, figs. 4, 6; pl. 2, figs. 7, 10; pl. 3, fig. 3.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_341376, Barra de Sacra, Paysandu, Uruguay.

Diplodon subcylindricus Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 3, pl. 2, figs. 1-2; pl. 3, figs. 1, 2, 11.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_341375, Arroyo Manga, Dept. Montevideo, Uruguay.

Diplodon subquadratus Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 3, pl. 2, figs. 6, 8; pl. 3, figs. 8-10.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_335774, Paysandu, Uruguay.

Diplodon trivialoides Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 5, pl. 1, figs. 12, 14; pl. 2, figs. 3, 5; pl. 3, fig. 12.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_335770, Arroyo Bellaco, Dept. Paysandu, Uruguay.

Diplodontites cookei Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 2, pl. 1, figs. 1,3, 7, 8, 10; pl. 3, fig. 4.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_341473, Dept. Santander, Colombia.

Monocondylaea felipponei Marshall, 1922
Marshall, 1922. Proc. U.S. Nat. Mus. 61(2437): 8, pl. 1, figs. 2, 13; pl. 2, figs. 4, 11; pl. 3, fig. 7.
Type(s): HOLOTYPE (ORIG. DESIG.) USNM_340663, Barra del Arroyo Sacra, Paysandu, Uruguay.

Taxonomic Opinions

Anodontites colombiensis Marshall, 1922

Anodontites pittieri Marshall, 1922

Diplodon arcuatus Marshall, 1922 = Diplodon funebralis

Diplodon subcylindricus Marshall, 1922 = Diplodon rhuacoicus

Diplodon subquadratus Marshall, 1922 = Diplodon variabilis

Diplodon trivialoides Marshall, 1922 = Diplodon charruanus

Diplodontites cookei Marshall, 1922

Monocondylaea felipponei Marshall, 1922 = Monocondylaea corrientesensis

 
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