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Taxonomy

all genera

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
Wed 04 February 2026

Bivalvia | ... | Unionoidea | Unionidae | Gonideinae | Gonideini | Ptychorhynchus pfisteri

nominal species Unio pfisteri inseparatus IUCN, 2012

Unio pfisteri inseparatus IUCN, 2012 = Ptychorhynchus pfisteri

‘Heude’ IUCN, 2012. IUCN Red List: [web].
(error for Unio pfisteri var. insperatus Heude, 1877)

= Ptychorhynchus pfisteri

Taxonomic Opinions
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