FERNANDEZ, MARTIN & CASADIO, 2008

Locality: Locality C., S39°44'11.9", W66°40'31.6", Trapalco and Santa Rosa depression, Rio Negro Province, Northern Patagonia, Argentina.

Horizon: Upper part of the Jagüel Formation.

Biostratigraphy:

Age: Upper Maastrichtian Stage, Uppermost Senonian Subepoch, Uppermost Gulf Epoch, Late Cretaceous.

Material:

MML-PV2: 46 vertebrae, 2 jaw fragments, and 3 incomplete teeth.