Holotype: Not given.

Locality: Pellegrini, Northeast Rio Negro Province, Northern Patagonia, Argentina.

Horizon: Allen Formation, Lower Malargue Group.

Biostratigraphy:

Age: Allenian Tetrapoda Assemblage, Late Campanian-Early Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: