Species: oriens GAO & NORELL, 2000
Etymology: Latin, oriens, “east.”

Holotype: IGM 3/171 (MAE 283/93-108)

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 mandibles and partial postcranial skeleton.