†unranked clade Ceratopsia Marsh 1890 (ornithischian)
PaleoDB taxon number: 147916
Synonym: Ponderopoda Huene 1948 (taxon 72194)
Full reference: O. C. Marsh. 1890. Additional characters of the Ceratopsidae, with notice of new Cretaceous dinosaurs. American Journal of Science 39:418-426
Parent taxon: Marginocephalia according to F.-L. Han et al. 2012
Sister taxon: Pachycephalosauria
Subtaxa: Albalophosaurus, Chaoyangosauridae, Dysganus, Eoceratopsinae, Kulceratops, Kulceratops kulensis, Microceratus, Micropachycephalosaurus, Neoceratopsia, Pachyrhinosauridae, Psittacosauridae, Psittacosauroidea, Psittacosaurus, Psittacosaurus sattayaraki, Serendipaceratops
Ecology: ground dwelling herbivore