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 is moving to a new server, with a new URL! The new address for this page will be: https://musselpdb.org/fmuotwaolcb/db.php?ty=nomsp&id=6851

Search the database pages:

Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Pressodonta viridis

nominal species Unio triqueter Short & Eaton, 1831

Short & Eaton, 1831, Transylvania J. Med. Assoc. Sci. 1831: ??.
(misidentified reference to Truncilla triqueter Rafinesque, 1820)

= Pressodonta viridis

Taxonomic Opinions

+ Margaron (Margaritana) calceola (Lea) — Lea, 1870

Page updated: 09:21:52 Mon 28 Jul 2025