Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium occidentale
Prime, 1853. Proc. Boston Soc. Nat. Hist. 4: 276.
(renamed Cyclas occidentale Lewis, 1856; homonym of Cyclas ovalis Férussac, 1807)
+ Sphaerium occidentale Prime, 1853 — Mackie, 2007
+ Sphaerium (Herringtonium) occidentale (“Prime” Lewis, 1856) — Burch, 1975
+ Sphaerium (Herringtonium) occidentale (Prime in Lewis, 1856) — Clarke, 1973
+ Sphaerium occidentale Prime, 1860 — Herrington, 1962
+ Sphærium occidentale Prime — Prime, 1870
+ Sphærium occidentale Prime — Prime, 1865
= Cyclas ovalis Nobis — Prime, 1853