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MUSSELpdb

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Taxonomy

all genera

Summary

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness of
freshwater mussels
by Taxonomy


Species & Genus Richness of
freshwater bivalves
by Family

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism of
freshwater mussels
by Geography


Data last updated
Fri 13 February 2026

Bivalvia | ... | Hyrioidea | Hyriidae | Hyriinae | Castaliini | Castalia ambigua

Specimen FMNH_216448: Images

Castalia ambigua Lamarck, 1819, Rio Samiria, N. trib of the Amazon River, between Rio Huallaga and Ucayali, 140 m. alt., Peru

specimen

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