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=7252

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium occidentale

nominal species Sphaerium occidentale var. amphibium Sterki, 1907

Sterki, 1907, Proc. Ohio St. Acad. Sci. 4(8): ??. [nomen nudum]
(intro'd as intra-sp. of Cyclas occidentale Lewis, 1856)

= Sphaerium occidentale

Taxonomic Opinions

+ Sphaerium (Herringtonium) occidentale (“Prime” Lewis, 1856) — Burch, 1975

Page updated: 11:49:38 Mon 08 Sep 2025