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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
Sun 12 April 2026

Publication FMCS (2021): summary

Full Citation

FMCS. 2021. Freshwater Mollusk Conservation Society Checklist of Freshwater Mussels (Mollusca: Bivalvia: Unionida) of the United States and Canada. https://molluskconservation.org/Library/Committees/Names/Appendix_1_Bivalves_Revised_Names_List_20210825.pdf.

Taxonomic Opinions

309 species (and/or subspecies) were recognized as valid in this publication (316 total species taxonomic opinions).

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