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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 | Sphaeriida

superfamily SPHAERIOIDEA Deshayes, (1820)

synonyms (10 nomina) | cladomics

Included Taxa

Decorative image of a representative Sphaeriidae

family SPHAERIIDAE Deshayes, 1855: 278 Recent freshwater species.

synonymy (10 nomen) | 2 subfamilies, 1 genus

Recent Distribution: South America, North America, North Eurasia, East Asia, Australasia, Afrotropics, Central America

family NEOMIODONTIDAE Casey, 1955: fossil only.

synonymy (0 nomina) | 1 genus

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