Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium transversum

nominal species Cyclas constricta Prime, 1853

Cyclas constricta Prime, 1853 = Sphaerium transversum

‘Anthony’ Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 274.

Taxonomic Opinions

+ Musculium transversum (Say, 1829) — Mackie, 2007: 259, fig. 8.48a-b.

+ Musculium transversum (Say, 1829) — Burch, 1975: 45.

+ Sphærium transversum Say — Prime, 1895: 41.

+ Sphærium transversum Say — Prime, 1870: 160.

+ Sphærium transversum Say — Prime, 1865: 48.

= Cyclas constricta Anthony — Prime, 1853: 274.