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Thu 3 September 2025

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!

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

nominal species Cyclas sulcata Lamarck, 1818

= Sphaerium simile

Taxonomic Opinions

+ Sphaerium simile (Say, 1817) — Mackie, 2007

= Sphaerium “sulcatum” (Say, 1816) — Korniushin & Glaubrecht, 2002

+ Sphaerium (s.s.) simile (Say, 1816) — Burch, 1975

+ Sphaerium (s.s.) simile (Say, 1816) — Clarke, 1973

= Sphaerium sulcatum (Lamarck, 1818) — Herrington, 1962

= Sphaerium (Amesoda) sulcata (Lamarck) — Thiele, 1934

+ Sphaerium simile (Say) — F.C. Baker, 1928

+ Sphærium simile Say — Prime, 1870

= Sphærium sulcatum Lamarck — Prime, 1865

+ Sphærium simile Say — Deshayes, 1854

+ Cyclas similis Say — Hanley, 1843

= Cyclas sulcata Lam. — Ferussac, 1835

= Cyclas sulcata — Lamarck, 1818