Genus: Jeholosaurus XU, WANG & YOU, 2000
Etymology: In reference to ‘Jehol’, old geographical name for western Liaoning and northern Hebei, and Greek, sauros, “lizard”: Jehol lizard.

Species: shangyuanensis XU, WANG & YOU, 2000
Etymology: In reference to Shangyuan, Liaoning Province, China, the larger geographical area including the type locality.

Holotype: IVPP V 12529

Locality: Lujiatun, Shangyuan, 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: Nearly complete skull, and partial postcranial skeleton.

Referred material:

IVPP V 12530: A nearly complete skull and some cervicals.

BARRET & HAN, 2009

IVPP V15716: A partial skull.


Jeholosaurus shangyuanensis (modified fromBARRETT & HAN, 2009), IVPP V 15716)

IVPP V15717: Complete skull.

IVPP V15718: A complete skull.

IVPP V15719: Skull, partial axial column, pelvic girdle and hindlimbs.