MUSSELpdb
Taxonomy
Species & Genus Richness of
freshwater mussels
by Taxonomy
Species & Genus Richness of
freshwater bivalves
by Family
Geography
Species Richness & Endemism of
freshwater mussels
by Geography
Data last updated
Thu 22 January 2026
Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium partumeium
nominal species Cyclas coerulea Prime, 1852
Cyclas coerulea Prime, 1852 = Sphaerium partumeium
Prime, 1852. Proc. Boston Soc. Nat. Hist. 4: 161 [as ‘cœrulea’].
Taxonomic Opinions
+ Musculium partumeium (Say, 1822) — Mackie, 2007
+ Musculium partumeium (Say, 1822) — Burch, 1975
+ Sphærium partumeium Say — Prime, 1895
+ Sphærium partumeium Say — Prime, 1870
+ Sphærium partumeium Say — Prime, 1865
+ Cyclas partumeia Say — Prime, 1853
