MUSSELpdb

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Unionidae

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Species & Genus Richness by
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Species Richness & Endemism by
Geography

Data last updated
Mon 1 Dec 2025

Bivalvia | Unionoida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Toxolasma

species Toxolasma texasiense (Lea, 1857): specimens

5 available nominal species synonyms (9 total synonyms)

Recent Taxonomic Opinions

Toxolasma mearnsi — Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
Toxolasma texasiensis — Graf & Cummings (2007), Tiemann et al. (2007), Cummings & Graf (2010), ITIS (2012), Chase et al. (2018), Bieler (2021)
Toxolasma texasense [sic] — Bogan (2010), McMurray et al. (2012)
Toxolasma texasensis [sic] — Haag (2012), Marshall et al. (2018)
Toxolasma texasiense — Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023), MolluscaBase (2024), FMCS (2025), Cummings et al. (2025)

Range

Widespread from in the southern Interior Basin and Western Gulf Coastal Plain, USA, and into Mexico.

Map of Georeferenced Specimens

MUSSELp Specimen Records

USA

MCZ_316413.

Genbank Vouchers

Georeferenced Genbank Vouchers

USA

UAUC_80. (16S: AY655078, COI: AY655023, ND1: AY655124, go to Genbank) Colorado River, Giddings State School Lake, Lee Co. TX.

CHS_0352. (16S: PQ238824, go to Genbank) USA: Texas, Yegua Creek.