Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium corneum

nominal species Cyclas tumida Ziegler, Ferussac of Authors

Cyclas tumida Ziegler, Ferussac of Authors = Sphaerium corneum

Ziegler, Ferussac of Authors.

Taxonomic Opinions

+ Sphærium corneum Scopoli — Prime, 1895: 43.

+ Sphærium corneum Scopoli — Prime, 1870: 152.

= Cyclas tumida Fer. — Krynicki, 1837: 59.