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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 Simpson (1896): summary
     publication summary

Complete Citation

Simpson, C.T. 1896. The classification and geographical distribution of the pearly fresh-water mussels. Proceedings of the United States National Museum 18: 295-343. Available electronically.

Attributed Nominal Genera

Lepidodesma Simpson, 1896
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 311.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 586.
Simpson, 1914. Descr. Cat. Naiades: 237.
Type species: Unio languilati Heude, 1874 (sub. desig. by Simpson, 1900: 586) = Lepidodesma languilati

Attributed Nominal Species

Anodonta yukonensis Simpson, 1896
‘Lea’ Simpson, 1896. Proc. U.S. Nat. Mus. 18: 328.
(error for Anodonta youkanensis Lea, 1867)

Unio mitchelli Dall, 1895
Simpson in Dall, 1895. Proc. U.S. Nat. Mus. 18: 5.
Simpson, 1896. Proc. U.S. Nat. Mus. 18: 371, pl. 32, figs. 1-3.
Simpson, 1900. Proc. U.S. Nat. Mus. 22: 711.
Simpson, 1914. Descr. Cat. Naiades: 622.
Type(s): LECTOTYPE USNM_128364 (by R.I. Johnson, 1975: 15), Guadalupe R., Victoria Co., Texas.

Taxonomic Opinions

Lepidodesma aligerus (Heude) = Lepidodesma aligera

Lepidodesma languilati (Heude)
 
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