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all genera
Unionidae
Margaritiferidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
Summary
North America
Central America
South America
Afrotropics
North Eurasia
East Asia
Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Thu 22 January 2026
Dall, 1903. Trans. Wagner Free Inst. 3(6): 1446, pl. 36, fig. 22.
= nomen dubium
= Cyrena (Pseudocyrena) dupliniana n. sp. — Dall, 1903