Species: philoceratops OSBORN, 1924
Etymology:
Holotype: AMNH 6517
Locality: Bayan Zag (= Bayn Dzak, Shabarakh Usu GILMORE, 1943), Ömnögov (South Gobi), Mongolia.
Horizon: Djadochta Formation.
Biostratigraphy:
Age: Middle Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Material: Fragmentary skull, jaws, cervical, dorsal vertebrae, and one forelimb.
Note: Furcula was found, first interpreted as an interclavicle by OSBORN, 1924.
Note: Skull was found next to a nest of eggs.
Note: Lizard skeleton was found in the stomach region (NORELL, DINGUS & GAFFNEY, 2000), but it was not identified.