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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 | Unionida | Hyrioidea | Hyriidae | Hyriinae | Echyridella menziesii

nominal species Unio menziezianus Simpson, 1900

Unio menziezianus Simpson, 1900 = Echyridella menziesii

‘Reeve’ Simpson, 1900. Proc. U.S. Nat. Mus. 22: 889.
(error for Unio menziesianus Reeve, 1865)

Taxonomic Opinions

None available.

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