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
Mon 2 March 2026
Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium transversum
nominal species Sphaerium contractum Prime, 1865
Sphaerium contractum Prime, 1865 = Sphaerium transversum
Prime, 1865. Smithsonian Misc. Coll. (145): 48, fig. 46.
Taxonomic Opinions
+ Musculium partumeium (Say, 1822) — Mackie, 2007: 248, fig. 8.48c-d.
+ Musculium transversum (Say, 1829) — Mackie, 2007: 259.
+ Musculium transversum (Say, 1829) — Burch, 1975: 45.
+ Sphaerium partumeium (Say, 1822) — Herrington, 1962: 23.
+ Sphærium transversum Say — Prime, 1895: 41.
= Sphærium contractum Prime — Prime, 1870: 152.
= Sphærium contractum Prime — Prime, 1865: 48, fig. 46.
