Bivalvia | Unionida | Unionoidea | Unionidae | Ambleminae | Lampsilini | Truncilla

species Truncilla cognata (Lea, 1860): specimens

1 available nominal species synonym (2 total synonyms)

Recent Taxonomic Opinions

Truncilla cognata — Graf & Cummings (2007), Bogan (2010), ITIS (2012), Williams et al. (2017), Burlakova et al. (2019), ... Hopper et al. (2023), Saxon et al. (2023), FMCS (2025), Cummings et al. (2025), Campbell & Lydeard (2026)
Truncilla cognatus — Haag (2012)

Range

Rio Grande basin,Texas and Mexico. (North America: NA4)

Map of Georeferenced Specimens

MUSSELp Specimen Records

Mexico

USNM_252105. Mexico, Tamaulipas, Salado River near Nuevo Laredo

USA

GenBank Vouchers

Georeferenced GenBank Vouchers

USA

JBFMC_8266-1 (Tcog_RG06). (COI: MZ726616, go to GenBank) Rio Grande R., La Bota Ranch, Webb Co., Texas.

JBFMC_8383-1 (Tcog_RG07). (COI: MZ726617, go to GenBank) Rio Grande R., upstream of La Bota, Webb Co., Texas.

JBFMC_8383-10 (Tcog_RG16). (COI: MZ726622, go to GenBank) ditto.

JBFMC_8383-11 (Tcog_RG17). (COI: MZ726623, go to GenBank) ditto.

JBFMC_8383-12 (Tcog_RG18). (COI: MZ726624, go to GenBank) ditto.

JBFMC_8383-13 (Tcog_RG19). (COI: MZ726625, go to GenBank) ditto.

JBFMC_8383-14 (Tcog_RG20). (COI: MZ726626, go to GenBank) ditto.

JBFMC_8383-15 (Tcog_RG21). (COI: MZ726627, go to GenBank) ditto.

JBFMC_8383-17 (Tcog_RG23). (COI: MZ726628, go to GenBank) ditto.

JBFMC_8383-19 (Tcog_RG25). (COI: MZ726629, go to GenBank) ditto.

JBFMC_8383-3 (Tcog_RG09). (COI: MZ726618, go to GenBank) ditto.

JBFMC_8383-5 (Tcog_RG11). (COI: MZ726619, go to GenBank) ditto.

JBFMC_8383-6 (Tcog_RG12). (COI: MZ726620, go to GenBank) ditto.

JBFMC_8383-8 (Tcog_RG14). (COI: MZ726621, go to GenBank) ditto.

JBFMC_8238-1 (Tcog_RG01). (COI: MZ726611, go to GenBank) Rio Grande R., Webb Co., Texas.

JBFMC_8238-2 (Tcog_RG02). (COI: MZ726612, go to GenBank) ditto.

JBFMC_8238-3 (Tcog_RG03). (COI: MZ726613, go to GenBank) ditto.

JBFMC_8238-4 (Tcog_RG04). (COI: MZ726614, go to GenBank) ditto.

JBFMC_8238-5 (Tcog_RG05). (COI: MZ726615, go to GenBank) ditto.

UF_438552-6496. (28S: MK036138, 5.8S: MK036220, COI: MK044969, ITS1: MK036220, ND1: MK045120, go to GenBank) Rio Grande, Rio Grande drainage (27.6377, -99.627).

UF_438552-6502. (28S: MK036139, 5.8S: MK036221, COI: MK044970, ITS1: MK036221, ND1: MK045121, go to GenBank) ditto.

UF_438552. (SRA: SRX7259528, go to GenBank) USA, Texas, Webb County, Rio Grande (site 2), about 300 m upstream of Santa Isabel Creek (27.63774, -99.62695).

JBFMC_8383_19. (16S: PQ238852, go to GenBank) USA: Texas, Rio Grande.

GenBank Vouchers Not Yet Georeferenced

NRI8238.1. (COI: MK672794, go to GenBank)

SAMN13473088. (SRA: SRX7259528, go to GenBank)