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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
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Species Richness & Endemism offreshwater mussels by Geography
Data last updated Thu 22 January 2026
Bivalvia | Gastrochaenida | Gastrochaenoidea
3 genera
Gray, 1840. Synopt. Cont. Brit. Mus. 42nd ed.: 134, 150 [as ‘Gastrochaenadae’].Type genus: Gastrochaena Spengler, 1783 = Gastrochaena