ZHANG, YU, FENG, PEI & ZHOU, 2022
Locality: Xidayingzi, Bisiyingzi, Ningcheng, Inner Mongolia, China.
Horizon: Lujiatung Unit, Yixian Formation, Jehol Group.
Biostratigraphy:
Age: Early Cretaceous.
Material:
PMOL-AD00169, AD00170, SDUST-V1064, V1065: 4 specimens, skulls and skeletons.
_____________________________________________________________________________________