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=9063

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Euglesa casertana

nominal species Pisidium retusum Prime, 1860

Prime, 1860, Proc. Zool. Soc. London 28: 322.

= Euglesa casertana

Taxonomic Opinions

+ Euglesa (s.s.) casertana (Poli, 1791) — Vinarski & Kantor, 2016
+ Pisidium abditum (Haldeman, 1841) — Martens, 1900
= Pisidium retusum Prime — Prime, 1895
= Pisidium retusum Prime — Prime, 1870

Page updated: 11:37:53 Mon 08 Sep 2025