Species: asper ALIFANOV, 1996
Etymology: Latin, asper, “tubercular.”

Holotype: PIN 3142/318

Locality: Hermiin Tsav (Khermeen Tsav), western Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material: Almost complete skull with the lower jaw.

Referred material:

GAO & NORELL, 2000

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:

IGM 3/81 (MAE 258/92-63), 3/83 (MAE 152/93-40): Incomplete skulls with mandibles.

 

Locality: Khulsan, Nemegt Basin, Gobi Desert, Ömnögov (South Gobi), Mongolia.

Horizon: Barun Goyot Formation.

Biostratigraphy:

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

Material:

IGM 3/81 (MAE 258/92-63): Nearly complete skull with mandible.