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Summary
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 Sun 12 April 2026
Bivalvia | ... | Unionidae | Unioninae | Anodontini | Alasmidontina | Platynaias subviridis
‘Lea’ Simpson, 1914. Descr. Cat. Naiades: 649.(error for Unio pygmaeus Lea, 1852)
+ Elliptio (s.s.) pygmaeus (Lea, 1852) — Frierson, 1927: 27.