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=7708

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio mancus

nominal species Unio orbus Germain, 1931

‘Locard’ Germain, 1931, Faune de France 22: 727.
(error for Unio orthus Locard, 1882)

= Unio mancus

Page updated: 13:28:24 Fri 05 Sep 2025