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Unionidae
Margaritiferidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
Summary
North America
Central America
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Species Richness & Endemism offreshwater mussels by Geography
Data last updated Thu 22 January 2026
Bivalvia | Unionida | Unionoidea | Unionidae | Gonideinae | Rectidentini
2 genera
Pfeiffer, Zieritz, Rahim & Lopes-Lima in Zieritz et al., 2021. Aquatic Conserv.: Mar. Freshw. Ecosyst. 31: 9.Type genus: Ctenodesma Simpson, 1900 = Ctenodesma