Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium simile

nominal species Cyclas elliptica Prime, 1870

Cyclas elliptica Prime, 1870 = Sphaerium simile

‘Férussac’ Prime, 1870. Amer. J. Conch. 5: ??. [nomen nudum]

= Sphaerium simile

Taxonomic Opinions

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

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