New Latin, from Ancient Greek "horned faces"[script needed]. One of the first named genera was Ceratops itself, which lent its name to the group, although it is considered a nomen dubium today as it has no distinguishing characteristics that are not also found in other ceratopsians.
- A taxonomic infraorder within the suborder Cerapoda — herbivorous, beaked dinosaurs which thrived during the Cretaceous, in what are now North America and Asia. Early members were small and bipedal, but later forms were large quadrupeds..
It is traditional for ceratopsian genus names to end in "-ceratops", although this is not always the case.
- (infraorder): Ceratopsidae, Chaoyangsauridae, Psittacosauridae, Neoceratopsia - families; Liaoceratops, Microceratus - genera not placed in families