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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 | ... | Unionidae | Unioninae | Unionini | Oxynaiina | Schistodesmus trapezoidus

nominal species Schistodesmus trapezoidus B.-Y. Huang, 1981

Schistodesmus trapezoidus B.-Y. Huang, 1981 = Schistodesmus trapezoidus

B.-Y. Huang, 1981. Acta Paaleont. Sinica 20(3): 201-202, pl. 1, figs. 13-14; pl. 2, figs. 1-2.

= Schistodesmus trapezoidus

Taxonomic Opinions
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