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Unionidae
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Species & Genus Richness offreshwater musselsby Taxonomy
Species & Genus Richness offreshwater bivalves by Family
North America
Central America
South America
Afrotropics
North Eurasia
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Australasia
Species Richness & Endemism offreshwater mussels by Geography
Data last updated Mon 2 March 2026
Bivalvia | ... | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia ambigua
‘Hupé’ Sowerby, 1869. Conch. Icon. 17: pl. 3, sp. 12.(error for Castalia acuticosta Hupé, 1857)
+ Castalia ambigua Lamarck, 1819 — Simone, 2006: 252.