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=7466

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa rotundata

nominal species Pisidium rotundarum Herrington, 1965

Herrington, 1965, Nautilus 79(2): ??.
(error for Pisidium rotundatum Prime, 1852)

= Euglesa rotundata

Taxonomic Opinions

+ Pisidium (Cyclocalyx) ventricosum form rotundatum Prime, 1852 — Burch, 1975

Page updated: 11:54:43 Mon 08 Sep 2025