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!

Search the database pages:

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium securis

nominal species Cyclas cardissa Prime, 1852

Prime, 1852, Proc. Boston Soc. Nat. Hist. 4: 160.
Prime, 1853, Proc. Boston Soc. Nat. Hist. 4: 277.

= Sphaerium securis

Taxonomic Opinions

+ Musculium securis (Prime, 1852) — Burch, 1975
+ Sphærium securis Prime — Prime, 1895
+ Sphærium securis Prime — Prime, 1870
+ Sphærium securis Prime — Prime, 1865
= Sphærium cardissa Prime — Deshayes, 1854
= Cyclas cardissa Nobis — Prime, 1853

Page updated: 12:08:31 Tue 03 Jun 2025