Holotype: IGM 100/987

Locality: Ukhaa Tolgod, near the salt extraction settlement of Daus, northeastern Nemegt Basin, Gurvan Tes Somon, Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Braincase, cervical vertebrae.