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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
Mon 2 March 2026

Bivalvia | Venerida | Cyrenoidea | Cyrenidae | Batissa violacea

nominal species Cyrena regulata Gassies, 1858

Cyrena regulata Gassies, 1858 = Batissa violacea

Gassies, 1858. J. de Conch. 7: 372.

Taxonomic Opinions

+ Batissa tenebricosa [sic] Hindson [sic] — Clessin, 1879: 211.

+ Batissa tenebrosa Deshayes — Prime, 1870: 140.

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