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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
Sun 12 April 2026

Bivalvia | ... | Unionoidea | Unionidae | Ambleminae | Lampsilini | Epioblasma stewardsonii

nominal species Truncilla lewisii Walker, 1910

Truncilla lewisii Walker, 1910 = Epioblasma stewardsonii

Walker, 1910. Nautilus 24(4): pl. 3, fig. 4. [in part]
(misidentified reference to Truncilla lewisii Walker, 1910)

Taxonomic Opinions

+ Truncilla stewardsoni (Lea, 1852) — Ortmann, 1918: 588.

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