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=7916

Search the database pages:

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

nominal species Unio triffoiricus var. mayennensis Germain, 1904

Germain, 1904, Bull. Soc. Sci. Nat. Ouest France 4: 279 [41], pl. 2, fig. 38.
(intro'd as intra-sp. of Unio triffoiricus Locard, 1889)

= Unio mancus

Taxonomic Opinions

= Unio (Hispaniana) triffoiricus mayennensis — Germain, 1904

Page updated: 11:48:58 Mon 08 Sep 2025