GASPARINI, STERLI, PARRAS, O'GORMAN, SALGADO, VARELA, & POL, 2015
Locality: Norte de Cerro Bayo 2, Central Chubut Province, Patagonia, Argentina.
Horizon: La Colonia Formation.
Biostratigraphy:
Age: Upper Campanian Stage- Lower Maastrichtian Stage, Senonian subepoch, Upper Gulf Epoch, Late Cretaceous.
Material:
MPEF-PV 10541: Skull and lower jaw.
MPEF-PV 10830: Shell remains, girdle fragments and limb bones.