Genus: Latirhinus PRIETO-MARQUEZ & BANAS, 2012
Etymology: Latin, lati, "broad," and Greek, rhinus, "nose."

Species: uitslani PRIETO-MARQUEZ & BANAS, 2012
Etymology: Nahuatl, uitslan, "southern," in reference to the southern occurrence of this taxon within North America and the Late Cretaceous landmass Laramidia.

Holotype; IGM 6583

Locality: Ejido (Communal land) Presa San Antonio, in the town of Parras de la Fuenta, Soutehrn Coahuila State, Northern Mexico.

Horizon: Cerro del Pueblo Formation, Lowermost Difunta Group.

Biostratigraphy:

Age: Upper Campanian Stage, Upper Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.

Material: Right partial nasal, 10 dorsal and 14 caudal vertebrae, right coracoid, left scapula, both humeri and ulnae, right metacarpals III and IV, preacetabular process of right ilium, iliac peduncle of right ischium, both femora, tibiae, and fibulae, left astragalus, right and left metatarsals III and IV, and variosu proximal phalanges of the right pes.

Referred material:

RAMIREZ-VELASCO, & HERNANDEZ-RIVERA, 2015

(Espinosa-Arrubarrena, et  al., 1989, Serrano-Branas, 2006, Rivera-Sylva, & Carpenter, 2014, Ramirez-Velasco, et al., 2014).

IGM-MG, number not given: Dentray fragment.

IGM-MG, number not given: Both ilia fragment and right ischium.

IGM-MG, number not given: Distal end of ischia.

IGM-MG, number not given: Undeterminate fragments.

IGM-MG, number not given: Procimal end of femur.

IGM-MG, number not given: Tibia shaft.

IGM-MG, number not given: Vertebra fragment.s

IGM-MG, number not given: Metarsus fragment, neural spines, vertebrae, and tibia fragments.

IGM-MG, number not given: Both fibulae, femur, fragments and vertebrae fragments.

IGM-MG, number not given: Humerus fragments, ribs, neural arch and many neural spines.

IGM-MG, numbr not given: Long bones and vertebrae fragments.

IGM-MG, number not given: Partial dentary.