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=7231

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa variabilis

nominal species Pisidium probum Sterki, 1923

Sterki, 1923, Nautilus 37(1): ??.

= Euglesa variabilis

Taxonomic Opinions

+ Pisidium (Cyclocalyx) variabile Prime, 1852 — Burch, 1975
+ Pisidium variabile Prime, 1851 — Herrington, 1962

Page updated: 11:51:55 Mon 08 Sep 2025