Holotype: NMMNH P-25052
Locality: Localities NMMNH L-3034, Southeastern San Juan Basin, New Mexico.
Horizon: Allison Member, Menefee Formation.
Biostratigraphy:
Age: Early Campanian Stage, Senonian Subepoch, Upper Gulf Epoch, Late Cretaceous.
Material: Parts of the skull, mandible, several vertebrae, partial sacrum,
several ribs, a partial left ilium and left femur.