MUSSELp

MUSSELpdb

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Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

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Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Sphaerioida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium partumeium

nominal species Cyclas orbicularia Linsley, 1845

Cyclas orbicularia Linsley, 1845 = Sphaerium partumeium

‘Barratt’ Linsley, 1845. Amer. J. Sci. 48(2): 276. [nomen nudum]

= Sphaerium partumeium

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

+ Deshayes, 1854

+ Cyclas partumeia Say — Prime, 1853

 
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