Species: pachycephalus BOHLIN, 1953 (nomen dubium)
Etymology:
Holotype: Inst. Vert. Paleont. Peking, unnumbered
Locality: Jalyuguan (Chia-Yu-Kuan), West Kansu, Gansu (Kansu) Province, China.
Horizon: Djadokhta equivalent, Chijinbao Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Fragmentary skull and fragmentary skeleton with dermal scutes.
Teeth.
AMNH 2062: Cast.
Note: A centrum with a left transverse process with an expanded with an irregular
surface texture.