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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nominal species Sphaerium dickinii Clessin, 1877

Clessin, 1877, Deutsche Excurs. Moll. Fauna: 490, fig. 317.
Clessin, 1877, Conch. Cab. 9(3): 96, pl. 12, figs. 18-20.

Taxonomic Opinions

= Sphærium dickinii Clessin — Servain, 1882
= Sphaerium (Grüppe Corneola) dickinii Clessin — Clessin, 1877

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