MUSSELp

MUSSELpdb

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Taxonomy

all genera

Unionidae

Margaritiferidae

Hyriidae

Etheriidae

Mycetopodidae

Iridinidae


Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

South America

Afrotropics

North Eurasia

East Asia

Australasia


Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Gonideinae

tribe CONTRADENTINI Modell, 1942

synonyms (2 nomina) | cladomics

Included Taxa

genus Lens Simpson, 1900: 13 Recent freshwater species.

synonymy (5 available nomina) | 13 species

Distribution: East Asia

genus Physunio Simpson, 1900: 4 Recent freshwater species.

synonymy (1 available nomina) | 4 species

Distribution: East Asia

genus Pressidens Haas, 1910: 1 Recent freshwater species.

synonymy (1 available nomina) | 1 species

Distribution: East Asia

genus Solenaia Conrad, 1869: 1 Recent freshwater species.

synonymy (1 available nomina) | 1 species

Distribution: East Asia

genus Trapezoideus Simpson, 1900: 5 Recent freshwater species.

synonymy (1 available nomina) | 5 species

Distribution: East Asia

genus Yaukthwa Konopleva, Pfeiffer, Vikhrev, Kondakov, Gofarov, Aksenova, Lunn, Chan & Bolotov, 2019: 11 Recent freshwater species.

synonymy (1 available nomina) | 11 species

Distribution: East Asia
 
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