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Summary
Unionidae
Margaritiferidae
Hyriidae
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 Mon 2 March 2026
Bivalvia | Nuculanida | Nuculanoidea
1 genus
Coan & Valentich-Scott, 1997. SBMNH Contrib. Sci. 1: 2, 22.Type genus: Bathyspinula Allen & Sanders, 1982 = Bathyspinula