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Unionidae
Margaritiferidae
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Etheriidae
Mycetopodidae
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 Fri 13 February 2026
Weaver & Palmer. 1922. Fauna from the Eocene of Washington. University of Washington Publications in Geology 1(3): 1-56. Available electronically.
Weaver & Palmer, 1922. Univ. Wash. Pub. Geol. 1(3): 14, pl. 10, fig. 10.