Genus: Nova HERNANDEZ, KIRKLAND, PAUL, SERRANO, & GARCIA, 2003, KIRKLAND, HERNANDEZ-RIVERA, GATES, PAUL, NESBITT, SERRANO-BRANAS & GARCIA-DE LA GARZA, 2006

Holotype: PASAC-1

Locality: Near El Mezquite, about 4 km southwest of Sabinas, lat. 27°48'43", lon. 101°8'83", Coahuila State, Mexico.

Horizon: Lower Omos Formation.

Biostratigraphy:

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

Material: Fragmentary skull; both dentaries, left maxilla, both quadrates, left quadratojugal, right postorbital, braincase, left pterygoid, partial ectopterygoid, and fragmentary skeleton of a large individual (11 m); atlas, cervical, dorsal, sacrum, and caudal vertebrae, neural spines, chevrons, rib fragments, left scapula, and coracoid, distal end radius, left ilium fragments, right pubis and ischium, both femora, left tibia, distal end fibula, porximal and distal end metatarsals.

Referred material:

Species: Nova? MEYER, FREY, THURING, ETTER & STINNESBECK, 2005

Holotype:

Locality: Private Ranch Santa Helena, 6 km to the north of the village of Melchor Muzquiz, N 27°54'47.7", W 101°34'20.8", Coahuila State, Mexico.

Horizon: Olmos Formation.

Biostratigraphy:

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

Number: Not given: Skeleton.