Holotype: PIN 3101/65
Locality: Höövör (Khovboor), Guchin Us Somon, Aryaykher aymak, Gobi Desert, Mongolia.
Horizon: Höövör (Khovboor) Beds.
Biostratigraphy:
Age: ?Aptian or Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: Left partial maxilla with P2-P4, broken posterior alveolus for P1 and anterior alveolus for P5.
Referred material:
PIN 3101/74: Fragmentary left maxilla with P1 and P2.
PIN 3101/61: Left M2.
GI PST 10-26: Left ?P4.