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=6644

Search the database pages:

Unionoida | Unionoidea | Unionidae | Unioninae | Unionini | Unio crassus

nominal species Unio argens Lea, 1852

‘Küst.’ Lea, 1852, Synopsis Fam. Naiades: 30.
(intro'd as syn of Mya batava Maton & Rackett, 1807)

= Unio crassus

Taxonomic Opinions

+ Margaron (Unio) batavus (Mat. & Ract.) — Lea, 1870
+ Margaron (Unio) batavus (Lam.) — Lea, 1852

Page updated: 11:35:55 Mon 08 Sep 2025