Species: lingyuanensis GAO, TANG & WANG, 1999
Etymology: In reference to Lingyuan
Referred material:
GAO & KSEPKA, 2008
Locality: Fanzhangzi, Dawangzhangzi (Daxinfanzi) bed, Lingyuan, Liaoning Province, China.
Horizon: Horizon II, Yixian Formation, Jehol Group.
Biostratigraphy: Psittacosaurus fauna, Liaoxiornis Avifauna.
Age: Lower Hautervian Stage, Uppermost Neocomian Subepoch, Lower Early Cretaceous Epoch, Early Cretaceous.
Material:
PKUP V1052: Skull and skeleton.
Note: Has integument along the neck.