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=11467

Search the database pages:

Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Alasmidonta varicosa

nominal species Alasmidonta undulata Perkins et al., 2025

‘Say’ of Authors.
Perkins et al., 2025, ZooKeys 1248: Table S1. [in part]
(misidentified reference to Unio undulata Say, 1817)

= Alasmidonta varicosa

Taxonomic Opinions

+ Alasmidonta varicosa (Lamarck, 1819) — Whelan et al., 2023

Page updated: 13:33:23 Fri 05 Sep 2025