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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 Marsh (1891): summary
     publication summary

Complete Citation

Marsh, W.A. 1891. Description of two new species of Unio, from Arkansas. Nautilus 5(1): 1-2. Available electronically.

Attributed Nominal Species

Unio pilsbryi Marsh, 1891
Marsh, 1891. Nautilus 5(1): 1.
Pilsbry, 1892. Proc. Acad. Nat. Sci. 44: 131, pl. 8, figs. 7-8.
Pilsbry, 1893. Nautilus 7(1): pl. 1, figs. 7-8.
Type(s): HOLOTYPE ANSP_41589, Little Red River, Ark.

Unio pleasii Marsh, 1891
Marsh, 1891. The Observer 2: ??.
Marsh, 1891. Nautilus 5(1): 2.
Type(s): LECTOTYPE ANSP_56480, Little Red River, Ark.

 
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