Locality: Aguada Toledo, south of Mari Menucao Lake, S38°44'56.9", W68°45'7.9", Neuquen Province, Patagonia, Argentina.

Horizon: Anacleto Formation

Biostratigraphy:

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

Material:

UNC-CIP 1: 24 articulated mid-posterior trunk vertebrae with the base of thier respective ribs.