Species: scutatus GAO & NORELL, 2000
Etymology: Latin, scutatus, "armored with shield."

Holotype: IGM 3/138 (MAE 95-30)

Locality: Ukhaa Tolgod, northeastern Nemegt Basin, near the salt extraction settlement of Daus, Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation or the Barun Goyot Formation.

Biostratigraphy:

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

Material: Well-preserved skull with articulated postcranial skeleton with body osteoderms.

Topotypes:

IGM 3/139-3/142 (MAE 475/93-152, 96-27, 95-70, 94-16): Incomplete skull with mandibles.

IGM 3/143 (MAE 93-53): Fragmentary cranial and postcranial skeleton.

IGM 3/144 (MAE 94-51): Articulated vertebrae with body osteoderms.

Referred material:

DONG, XU, WANG & EVANS, 2018

Locality: Bayan Mandahu, Urad Houqi Banner, Bayan Nor League, Inner Mongolia (Nei Mongolia), China.

Horizon: Bayan Mandahu Formation, correlative to Djadochta Formation.

Biostratigraphy:

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

Material:

IVPP V 10080: Articualted postcranial skeleton enclosed by osteoderms. (= Bainguis sp GAO & HOU, 1996)

IVPP V 23897: Partial skull with a few dorsal osteoderms.

IVP V 23898: Humerus, with some ventral osteoderms.