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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 | ... | Unionoidea | Unionidae | Ambleminae | Quadrulini | Quadrulina | Quadrula

species Quadrula primaevus (White, 1877): synonymy

0 specimens

Synonymy

Unio primaevus White, 1877

White, 1877. Bull. Hayden Surv. 3: 599.

Quadrula primaevus — Russell (1934)
Unio primaevus — Henderson (1935)
Orthonymus primaevus — Modell (1957)

Taxonomic History (since 1900)

Quadrula primaevus — Russell (1934)
Unio primaevus — Henderson (1935)
Orthonymus primaevus — Modell (1957)

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