Species: sceliphros GAO & NORELL, 2000
Etymology: Greek, skeliphros, "thin or slender," in reference to the lightly built skull of this new species.

Holotype: IGM 3/71 (MAE 255/92-10)

Locality: Tögrögiin Shiree (= Tugrugeen Shireh, Tugrikin-Shireh locality), Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

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

Material: Incomplete skull articulated with mandibles.