†Archaeoceratops Dong and Azuma 1997 (ornithischian)
Full reference: Z. Dong and Y. Azuma. 1997. On a primitive neoceratopsian from the Early Cretaceous of China. Sino-Japanese Silk Road Dinosaur Expedition. China Ocean Press, Beijing 68-89
Parent taxon: Neoceratopsia according to F.-L. Han et al. 2012
Sister taxa: Archaeoceratopsidae, Auroraceratops, Bagaceratops, Ceratopsomorpha, Coronosauria, Helioceratops, Koreaceratops, Leptoceratopsidae, Liaoceratops, Protoceratopoidea, Protoceratops, Yamaceratops
Subtaxa: Archaeoceratops oshimai, Archaeoceratops yujingziensis
Ecology: ground dwelling herbivore