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

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East Asia

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Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | ... | Unionoidea | Unionidae | Unioninae | Anodontini | Alasmidontina | Alasmidonta

species Alasmidonta marginata Say, 1818: specimens

7 available nominal species synonyms (11 total synonyms)

Recent Taxonomic Opinions

Alasmidonta (Decurambis) marginataGraf & Cummings (2007)
Alasmidonta marginataWilliams et al. (2008), Chong et al. (2008), Watters et al. (2009), Jadhav & Jamkhedkar (2009), Hoeh et al. (2009), ... Chen et al. (2023), Hopper et al. (2023), Dai et al. (2025), Perkins et al. (2025), FMCS (2025)
Alasmidonta sp.Araujo et al. (2018)

Range

Widespread in the Interior Basin, including the Great Lakes, USA and Canada. Introduced to the Hudson River via the Erie Canal, although assumed to be native to the Susquehanna.

Map of Georeferenced Specimens

specimens map of Alasmidonta marginata

MUSSELp Specimen Records


USA

image of lot USNM_150545
USNM_150545

Clinch R., Va.

image of lot UMMZ_209183
UMMZ_209183

Red Cedar R., Chetek, Wis.

image of lot CM_61.4679
CM_61.4679

Susquehanna River, Selins Grove, Snyder County, Pennsylvania

Genbank Vouchers

Georeferenced Genbank Vouchers


USA

UMMZ_265695. (28S: AF400688, COI: AF156502, go to Genbank) Huron River, Ann Arbor, MI.