Holotype:

Locality: 34 km north of Anelo, Neuquen Province, Argentina.

Horizon: Candeleros Member, Rio Limay Formation, Neuquen Group.

Biostratigraphy:

Age: Limayan Tetrapoda Assemblage, Cenomanian Stage, Uppermiddle Gallic Subepoch, Lowermost Gulf Epoch, Late Early or Middle Cretaceous-Turonian Stage, Uppermost Gallic Subepoch, Lower Gulf Epoch, Early Late Cretaceous.

Material: Left maxilla, dentary, cervical, dorsal, sacro (at least 4 visible) and caudal vertebrae, haemals, ilia and pubis, left femur and tibia and foot elements.