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MUSSELpdb

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Taxonomy

all genera

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
Thu 22 January 2026

Bivalvia

superfamily CYAMIOIDEA Sars, 1878: synonymy

2 families

Synonyms

CYAMIOIDEA Sars, 1878

Sars, 1878. Mollusca Regionis Arcticae Norvegiae: 65.
Type genus: Cyamium Philippi, 1845 = Cyamium

GAIMARDIOIDEA Hedley, 1916

Hedley, 1916. unknown publication: ??.
Type genus: Gaimardia Gould, 1852 = Gaimardia

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