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 (in part)

Locality: SPA-88-9 (Coah 14-1), Ejido (Communal land) Presa San Antonio, in the town of Parras de la Fuenta, General Cepeda Municipality, Southern Coahuila State, Northern Mexico.

Horizon: Cerro del Pueblo Formation, Lowermost Difunta Group.


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

Material: 14 caudal vertebrae, left coracoid, proximal fragment of left scapula, both humeri and ulnae, right metacarpals III and IV, left manual phalanx II-1, preacetabular porces of left ilium, both femora, tibiae, and fibulae, left astragalus, right and left metatarsals III and IV, and variosu proximal phalanges of the right pes.

Referred material:


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

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

IGM-MG, number not given: Tibia shaft.

IGM-MG, number not given: Vertebra fragments.

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.


SERRANO-BRANAS & PRIETO-MARQUEZ, 2022 (published 2021)

IGM 12713: 10 associated parital dorsal vertebrae.

IGM 12714: Left adn right metatarsal III, left adn righ tmetatarsal IV, both proximal phalanges III-1 and a left proximal pedal phalanx II-1.