= Macrocephalosaurus sp 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 3/132: Partial skull and postcranial skeleton.
IGM 3/133 (MAE 51/93-25): Disarticulated vertebrae.