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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 | Veneroidea | Veneridae | Gemma gemma

nominal species Venus gemma Totten, 1834

Venus gemma Totten, 1834 = Gemma gemma

Totten, 1834. Amer. J. Sci. 26: 367, pl. fig. 2.

= Gemma gemma

Taxonomic Opinions

= Gemma gemma (Totten, 1834) — Combosch et al., 2017

= Gemma gemma (Totten, 1834) — Bieler et al., 2014

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