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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 | Parreysiinae | Lamellidentini | Lamellidens marginalis

nominal species Unio thwaitsii Lea, 1859

Unio thwaitsii Lea, 1859 = Lamellidens marginalis

Lea, 1859. Proc. Acad. Nat. Sci. 11: 152.
(incorrect original spelling of Unio thwaitesii Lea, 1859)

= Lamellidens marginalis

Taxonomic Opinions

+ Lamellidens marginalis (Lamarck, 1819) — Bieler, 2021

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