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=7301

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae

nominal species Sphaerium cooperianum Prime, 1870

Prime, 1870, Amer. J. Conch. 5: 152. [nomen nudum]

= sphaeriid species

Taxonomic Opinions

- NO OPINION — Burch, 1975
= Sphærium cooperianum Prime, in litt. — Prime, 1870

Page updated: 11:40:36 Mon 08 Sep 2025