Page last updated
Thu 3 September 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!

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 texasiensis — Graf & Cummings (2007), Tiemann et al. (2007), Cummings & Graf (2010), ITIS (2012), Chase et al. (2018), Bieler (2021)
Toxolasma mearnsi — Graf & Cummings (2007), Cummings & Graf (2010), ITIS (2012)
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), Cummings et al. (2025), FMCS (2025)

Range

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

Map of Georeferenced Specimens

USA

MCZ_316413.

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.