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Page last updated
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 Simpson (1896): summary
     publication summary

Complete Citation

Simpson, C.T. 1896. Descriptions of four new Triassic unios from the Staked Plains of Texas. Proceedings of the United States National Museum 18: 381-385. Available electronically.

Attributed Nominal Species

Unio dockumensis Simpson, 1896
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 384, fig. 5.

Unio dumblei Simpson, 1896
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 383, fig. 1.

Unio graciliratus Simpson, 1896
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 384, fig. 4.

Unio subplanatus Simpson, 1896
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 383, figs. 1-2.

 
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