Species: orientalis HWANG, NORELL & JI & GAO, 2004
Etymology: Latin, orientalis, ‘of or from the east’.
Holotype: CAGS-IG02-301
Locality: Dabangou village, Sihetun area, near Beipiao City, Liaoning Province, China.
Horizon: Horizon 1, Lower part of the Yixian Formation, Jehol Group.
Biostratigraphy: Psittacosaurus Fauna, Confuciusornis Avifauna.
Age: Valanginian Stage, Upper Neocomian Subepoch, Early Early Cretaceous Epoch, Early Cretaceous.
Material : A nearly complete skeleton lacking only the distal end of the tail.
Note: As large as Beipiaosaurus.
Note: Has furcula.