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species Quadrula couchiana (Lea, 1860): specimens

1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Amphinaias couchiana — Graf & Cummings (2007), Cummings & Graf (2010)
Quadrula couchiana — Bogan (2010), ITIS (2012), Haag (2012), Williams et al. (2017), Lopes-Lima et al. (2019), ... Czaja et al. (2023), Neemuchwala et al. (2023), Hopper et al. (2023), FMCS (2025), Cummings et al. (2025)

Range

Rio Grande, western Gulf Coastal Plain, south into northern Mexico. Extinct. (North America: NA4)

Map of Georeferenced Specimens

specimens map of Quadrula couchiana

MUSSELp Specimen Records

Type Specimens

image of lot USNM_85728
USNM_85728
Rio Salado, Mexico
lectotype
Unio couchianus Lea, 1860

Other Specimens by Country | show by collection

2 Specimens from Mexico

image of lot USNM_MP_0275
USNM_MP_0275
Mexico: Coahuila. Rio Salado de Nadadores, 0.5 mi S Progresso on road to HW 57 [distance from HW 57 is 14.6 mi]

image of lot UF_270394
UF_270394
Salinas River, Mexico

2 Specimens from USA

image of lot UF_270044
UF_270044
Texas, USA

USNM_709226. United States, New Mexico, Eddy County, Pecos River, below McMillan Reservoir Dam

GenBank Vouchers

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