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Unionidae
Margaritiferidae
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Etheriidae
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Iridinidae
Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
North America
Central America
South America
Afrotropics
North Eurasia
East Asia
Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Mon 2 March 2026
Bivalvia | Venerida | Glossoidea | Vesicomyidae
0 Recent freshwater species (1 total species)
Woodring, 1938. U.S. Geol. Surv. Prof. Pap. 190: 50.
The Taxonomic History lists the ways authors have classified the species currently assigned to Phreagena, since 1900.