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MUSSELpdb

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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
Thu 22 January 2026

Bivalvia | Cyamioidea | Gaimardiidae | Gaimardia trapesina

nominal species Gaimardia trapezina Bieler et al., 2014

Gaimardia trapezina Bieler et al., 2014 = Gaimardia trapesina

‘Lamarck’ Bieler et al., 2014. Invert. Syst. 28: Table 1.
(error for Modiola trapesina Lamarck, 1819)

= Gaimardia trapesina

Taxonomic Opinions
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