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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 | Venerida | Mactroidea | Mactridae | Mactra quadrangularis

nominal species Mactra quadrangularis Reeve, 1854

Mactra quadrangularis Reeve, 1854 = Mactra quadrangularis

Reeve, 1854. Conch. Icon. 8: pl. 1, sp. 3.

= Mactra quadrangularis

Taxonomic Opinions

= Mactra quadrangularis — Huang et al., 2025

= Mactra quadrangularis — Wu et al., 2023

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