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!

The MUSSEL Project Database has moved to a new server, with a new URL! The new address for this page is: https://musselpdb.org/db.php?ty=nomsp&id=5072

Search the database pages:

Bivalvia | Unionoida

nominal species Unio clessini Drouët, 1892

Drouët, 1892, J. de Conch. 40: 89.

= unionoid species

Page updated: 11:46:37 Mon 08 Sep 2025