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Taxonomy

all genera

Summary

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
by Family

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Mon 2 March 2026

Bivalvia | Sphaeriida | Sphaerioidea | Sphaeriidae | Sphaeriinae | Sphaerium corneum

nominal species Cyclas rivalis Draparnaud, 1806

Cyclas rivalis Draparnaud, 1806 = Sphaerium corneum

Draparnaud, 1806. Hist. Moll. France: 154, pl. 10, figs. 4-5.
(reference to Tellina rivalis Müller, 1774)

Taxonomic Opinions

+ Cyclas cornea — Leach, 1852: 290.

+ Cyclas cornea Lam. — Held, 1836: 281.

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