Genus: Yamaceratops MAKOVICKY & NORELL, 2006
Etymology: Named for Yama, a Tibetan tantric Buddhist deity, who is the Lord of Death and one of the eight Dharmapalas, or protectors, of Buddhist teaching. Yama has the head of a water buffalo and bears horns, a trait from which ceratopsians derive their name, and Greek, ceratops, "horned face."
Species: dorngobiensis MAKOVICKY & NORELL, 2006
Etymology: In reference to Dornogovi (Dorngobi Aimag), Eastern Gobi Provenance, Mongolia where this taxon discovered.
Holotype: IGM 100/1315
Locality: Fluvial, pale red sandstone layer at Khugenetslavkant, Dornogovi (Dorngobi Aimag), Eastern Gobi, Mongolia.
Horizon: Javkhlant Formation (Khugenetslavkant sandstone facies).
Age: Santonian-Campanian Stage, Senonian Subepoch, Gulf Epoch, Late Cretaceous.
Note: Originaly Late Aptian or Early Albian Stage, Middle Gallic Subepoch, Upper Early Cretaceous Epoch, Early Cretaceous.
Material: Partial skull missing the premaxillae, rostral and predentary, as well as much of the frill and left cheek and posterior part of the left mandible.
IGM 100/1303: Rostral, left maxilla, right jugal and quadrate, the left surangular, both articulars, a few isolated teeth, 3 partial vertebrae, the left ilium and several hindlimb fragments.
IGM 100/1867: Predentary.