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=7404

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium simile

nominal species Sphaerium sulcatum var. planatum Sterki, 1916

Sterki, 1916, Ann. Carnegie Mus. 10(3/4): 432.
(intro'd as intra-sp. of Cyclas sulcata Lamarck, 1818)

= Sphaerium simile

Taxonomic Opinions

+ Sphaerium (s.s.) simile (Say, 1816) — Burch, 1975
= Sphaerium simile planatum Sterki — F.C. Baker, 1928

Page updated: 11:51:35 Mon 08 Sep 2025