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/fmuotwaolcb/db.php?ty=nomsp&id=7804

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio pictorum

nominal species Unio requieni var. rostrata Germain, 1931

‘de Joannis’ Germain, 1931, Faune de France 22: 734.
(error for Unio requieni var. rostralis de Joannis, 1859)

= Unio pictorum

Page updated: 13:28:26 Fri 05 Sep 2025