Species: hexatabularis WU, BRINKMAN, & A. P. RUSSELL, 1993
Etymology:

Holotype: IVPP V10593 (= V10593-1)

Locality: Bayan Mandahu, Urad Houqi, Inner Mongolia, China.

Horizon: Djadochta Formation.

Biostratigraphy:

Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.

Material: Skull missing the anterior tip of snout, without mandible, associated first 19 vertebrae with 11 right and 10 left ribs, the left pectoral girdle with the humerus, the distal portion of the right humerus and part of the right coracoid, and the posterior portion of the interclavicle.

Paratype: IVPP 10612 (= V10593-2): Fragmentary skull and fragmentary skeleton.