Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium rhomboideum

nominal species Cyclas elegans Adams, 1840

Cyclas elegans Adams, 1840 = Sphaerium rhomboideum

Adams, 1840. Proc. Boston Soc. Nat. Hist. 3(3): pl. 3, fig. 11.

= Sphaerium rhomboideum

Taxonomic Opinions

+ Sphaerium rhomboideum (Say, 1822) — Mackie, 2007

+ Sphaerium (s.s.) rhomboideum (Say, 1822) — Burch, 1975

+ Sphærium rhomboideum Say — Prime, 1895

+ Sphærium rhomboideum Say — Prime, 1870

+ Sphærium rhomboideum Say — Prime, 1865

= Sphærium elegans Adams — Deshayes, 1853

+ Cyclas rhomboidea Say — Prime, 1853

= Cyclas elegans Adams — Hanley, 1843