Genus: Protoceratops GRANGER & GREGORY, 1923
Etymology: Greek, protos, “first” and Greek, ceratops, “horn face”: “first horn face”.
= Proceratops DONG, 1979 non LULL, 1906 (sic)

Species: andrewsi GRANGER & GREGORY, 1923
Etymology: In honor of Roy Chapman Andrews.

Holotype: AMNH 6251

Locality: Kweiwa-ting trail, east of Artsa Bogdo, Lat 44’N, Long 104’E, Ömnögov (South Gobi), Mongolia.

Horizon: Djadochta Formation.

Biostratigraphy:

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

Referred material:

BROWN & SCHLAIKJER, 1940

Note: A furcula has been found with a skeleton.