Holotype: IGM 3/95 (MAE 271/93-65)
Locality: Ukhaa Tolgod, northeastern Nemegt Basin, near the salt extraction settlement of Daus, Ömnögov (South Gobi), Mongolia.
Horizon: Djadochta Formation or the Barun Goyot Formation.
Biostratigraphy:
Age: Middle – Upper Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Incomplete skull with mandible.