Full reference: P. C. Sereno. 1986. Phylogeny of the bird-hipped dinosaurs (order Ornithischia). National Geographic Research 2(2):234-256
Parent taxon: Neoceratopsia according to E. M. Morschhauser et al. 2019
See also Arbour and Evans 2019, Butler et al. 2008, Farke et al. 2014, Han et al. 2012, Jin et al. 2009, Makovicky 2001, Sereno 1986, Sereno 1997, Sereno 1998, Sereno 1999, Sereno 2000, You and Dodson 2003 and Zheng et al. 2015
Sister taxa: Aquilops, Archaeoceratops, Archaeoceratopsidae, Asiaceratops, Auroraceratops, Beg, Ceratopsomorpha, Chaoyangsauridae, Graciliceratops, Leptoceratopsidae, Liaoceratops, Mosaiceratops, Protoceratopoidea, Sasayamagnomus, Yamaceratops
Subtaxa: Bagaceratopsidae Ceratopsoidea Protoceratopsidae
Ecology: ground dwelling herbivore
Distribution:
• Cretaceous of China (10 collections), Hungary (1), Mongolia (52), United States (3: New Mexico), Uzbekistan (7)
Total: 73 collections including 86 occurrences