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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 | Ambleminae | Lampsilini | Actinonaias didymictidis

nominal species Unio didymictidis Cockerell, 1915

Unio didymictidis Cockerell, 1915 = Actinonaias didymictidis

Cockerell, 1915. Bull. AMNH 34: 124, fig. 3.

= Actinonaias didymictidis

Taxonomic Opinions

= Actinonaias didymictidis (Cockerell, 1915) — Modell, 1957

= Unio didymictidis Cockerell — Henderson, 1935

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