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=10661

Search the database pages:

Bivalvia | Unionoida

nominal species Triquetra longula Conrad, 1874

Conrad, 1874, Proc. Acad. Nat. Sci. 26: 29, pl. 1, figs. 10, 13.

= unionoid fossil

Taxonomic Opinions

= Triquetra longula Conrad — Conrad, 1874

Page updated: 11:41:09 Mon 08 Sep 2025