MUSSELpdb

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Taxonomy

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Unionidae

Margaritiferidae

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Etheriidae

Mycetopodidae

Iridinidae

Species & Genus Richness by
Taxonomy

Geography

Summary

North America

Central America

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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 varicosa (Lamarck, 1819): specimens

2 available nominal species synonyms (5 total synonyms)

Recent Taxonomic Opinions

Alasmidonta (Decurambis) varicosa — Graf & Cummings (2007)
Alasmidonta varicosa — Kneeland & Rhymer (2007), Bogan (2010), Cummings & Graf (2010), ITIS (2012), Haag (2012), ... Hou et al. (2024), Perkins et al. (2025), FMCS (2025), Hou et al. (2025), Wang et al. (2025)
Alasmidonta undulata — Perkins et al. (2025)

Range

From Nova Scotia, Canada south to Georgia, USA.

Map of Georeferenced Specimens

MUSSELp Specimen Records

USA

TYPE_LOCALITY_MP_002. la rivière de Schuglkill [Schuylkill], pres de Philadelphie [Philadelphia Co., Pennsylvania].

TYPE_LOCALITY_MP_003. Passaic River

Genbank Vouchers

There are no georeferenced Genbank vouchers for this species in the MUSSELpdb.