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 | Alasmidontina

genus Simpsonaias Frierson, 1914: species

2 available nominal genus synonyms (4 total synonyms) | cladomics

Included Species

Simpsonaias ambigua (Say, 1825)

syonymy (2 available, 4 total) | specimens (1 + 1 Genbank voucher)

Range: Wide but discontinuous distribution in the Interior and Great Lakes basins of eastern North America. (North America)

Genbank sequences: 28S, COI, ND1
IUCN Red List: Vulnerable A2ce
NatureServe: G1
other links: MolluscaBase

 
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