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 | Unioninae | Anodontini

subtribe ALASMIDONTINA Rafinesque, 1820

synonyms (3 nomina) | cladomics

Included Taxa

genus Alasmidonta Say, 1818: 11 Recent freshwater species.

synonymy (11 available nomina) | 11 species

Distribution: North America

genus Alasminota Ortmann, 1914: 2 Recent freshwater species.

synonymy (1 available nomina) | 2 species

Distribution: North America

genus Anodontoides Simpson in F.C. Baker, 1898: 2 Recent freshwater species.

synonymy (2 available nomina) | 2 species

Distribution: North America

genus Arcidens Simpson, 1900: 2 Recent freshwater species.

synonymy (2 available nomina) | 3 species

Distribution: North America

genus Lasmigona Rafinesque, 1831: 1 Recent freshwater species.

synonymy (5 available nomina) | 1 species

Distribution: North America

genus Ligodonta Perkins, DeVilbiss & Whelan in Perkins et al., 2025: 1 Recent freshwater species.

synonymy (1 available nomina) | 1 species

Distribution: North America

genus Pegias Simpson, 1900: 1 Recent freshwater species.

synonymy (1 available nomina) | 1 species

Distribution: North America

genus Platynaias Walker, 1918: 3 Recent freshwater species.

synonymy (1 available nomina) | 3 species

Distribution: North America

genus Prolasmidonta Ortmann, 1914: 1 Recent freshwater species.

synonymy (1 available nomina) | 1 species

Distribution: North America

genus Pseudodontoideus Frierson, 1927: 2 Recent freshwater species.

synonymy (1 available nomina) | 2 species

Distribution: North America

genus Pterosyna Rafinesque, 1831: 2 Recent freshwater species.

synonymy (5 available nomina) | 2 species

Distribution: North America

genus Pyganodon Crosse & Fischer, 1894: 6 Recent freshwater species.

synonymy (2 available nomina) | 6 species

Distribution: North America, Central America

genus Simpsonaias Frierson, 1914: 1 Recent freshwater species.

synonymy (2 available nomina) | 1 species

Distribution: North America

genus Strophitus Rafinesque, 1820: 5 Recent freshwater species.

synonymy (2 available nomina) | 8 species

Distribution: North America

genus Sulcularia Rafinesque, 1831: 1 Recent freshwater species.

synonymy (3 available nomina) | 1 species

Distribution: North America

genus Utterbackia F.C. Baker, 1927: 3 Recent freshwater species.

synonymy (1 available nomina) | 3 species

Distribution: North America, Central America

genus Utterbackiana Frierson, 1927: 5 Recent freshwater species.

synonymy (2 available nomina) | 5 species

Distribution: North America

 
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