Holotype:

Locality: Gongpoquan Basin, Mazongshan, Gansu (Kansu) Province, China.

Horizon: Middle Gray Beds.

Biostratigraphy:

Age: Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.

Material: Right astragalus and calcaneum, right metatarsal II and III, partial right foot with complete 2nd toe, proximal 2 phalanges of the 3rd toe, and the distal 3 phalanges of the 4th toe.