Holotype:

Locality: Sierra del Portezuelo, Neuquen Province, Argentina.

Horizon: Rio Neuquen Formation.

Biostratigraphy:

Age: Neuquenian Tetrapoda Assemblage, Upper Turonian or Coniacian Stage, Lower Senonian Subepoch, Lower Gulf Epoch, Early Late Cretaceous.

Material:

A nearly complete skeleton of a maniraptorian.

Isolated bones of a tetanurian, including a strongly compressed, large claw (35cm long).

4 proximal caudal vertebrae of a large indeterminate theropod.