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

nominal species Cyclas ponderosa Prime, 1852

Cyclas ponderosa Prime, 1852 = Sphaerium simile

Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 157.
Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 282.

Taxonomic Opinions

+ Sphaerium (s.s.) simile (Say, 1816) — Burch, 1975: 53.

+ Sphærium simile Say — Prime, 1895: 35.

+ Sphærium simile Say — Prime, 1870: 158.

+ Sphærium sulcatum Lamarck — Prime, 1865: 34.

= Sphærium ponderosum Prime — Deshayes, 1855: 268.

= Cyclas ponderosa Nobis — Prime, 1853: 282.