MUSSELpdb

Introduction

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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 | Ambleminae | Quadrulini | Uniomerus

species Uniomerus tetralasmus (Say, 1831): specimens

11 available nominal species synonyms (20 total synonyms)

Recent Taxonomic Opinions

Uniomerus tetralasmus — Graf & Cummings (2007), Tiemann et al. (2007), Williams et al. (2008), Watters et al. (2009), Bogan (2010), ... Wu et al. (2024), Dai et al. (2025), Chen et al. (2025), FMCS (2025), Cummings et al. (2025)
Uniomerus declivis — Watters et al. (2009)
U. tetralasmus — Marshall et al. (2018)

Range

Widespread in eastern North America, from Lake Erie south to the Gulf of Mexico and west to Colorado.

Map of Georeferenced Specimens

MUSSELp Specimen Records

Mexico

USA

Genbank Vouchers

Georeferenced Genbank Vouchers

USA

UF_438436 (UtetBaP011). (5.8S: MH362659, COI: MH633653, ITS1: MH362659, ND1: MH633605, go to Genbank) USA, Mississippi, Hinds County, Tallahalla Creek at MP 29.69, about 8.6 km S of Raymond (32.18353, -90.40645).

UF_438303 (UtetCol005). (5.8S: MH362487, COI: MH633631, ITS1: MH362487, ND1: MH633583, go to Genbank) USA, Texas, Travis County, Unnamed tributary of Hams Branch at Cameron Road, trib of Wilbarger Creek (30.3652663, -97.619918).

JBFMC_8586_3. (16S: PQ238822, go to Genbank) USA: Texas, Red River.