Locality: Gurlin Tsav, Ömnögov (South Gobi), Mongolia.
Horizon: Nemegt Formation.
Biostratigraphy:
Age: Middle Maastrichtian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material:
PIN 5808/3: Left dentary fragment with partial p4 and alveoli for the lwoer incisor, p3 and m1-2.
PIN 4808/4: Right dentary fragment with lower incisor and roots of p3-4.