Holotype:

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

Horizon: Djadokhta Formation.

Biostratigraphy:

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

Material: Both humeri, ulnae, radii, carpometacarpus, coracoid, scapulae, sternum, several vertebrae, pedial digits including terminal claws.