Cerapoda
Marginocephalians + ornithopods. Diverse plant-eaters.
- Protorosaurus
- Nectosaurus
- Daurosaurus olovus
- Ajnabia odysseus
- Arrhinoceratops
- Einiosaurus
- Gideonmantellia
- Menefeeceratops sealeyi
- Sphaerotholus goodwini
- Vectidromeus insularis
- Hypsilophodon foxii
- Iguanodon bernissartensis
- Psittacosaurus mongoliensis
- Huaxiaosaurus aigahtens
- Aquilarhinus palimentus
- Barsboldia sicinskii
- Didanodon
- Gongshuilong fanwei
- Jaxartosaurus aralensis
- Kazaklambia
- Kelumapusaura machi
- Platytholus clemensi
- Sinocephale
- Tsintaosaurus
- Tylocephale
- Amtocephale
- Anatotitan
- Eotrachodon
- Huallasaurus
- Acrotholus
- Aralosaurus
- Crittendenceratops krzyzanowskii
- Diceratus
- Eoceratops
- Hadrosaurus
- Mojoceratops
- Procheneosaurus
- Rubeosaurus ovatus
- Sterrholophus
- Tetragonosaurus
- Zhuchengosaurus maximus
- Malefica deckerti
- Diabloceratops
- Machairoceratops cronusi
- Colepiocephale lambei
- Probrachylophosaurus
- Xenoceratops foremostensis
- Bonapartesaurus
- Gryposaurus
- Nipponosaurus sachalinensis
- Acristavus
- Wendiceratops pinhornensis
- Brachylophosaurus
- Lokiceratops rangiformis
- Adelolophus hutchisoni
- Judiceratops tigris
- Ornatops incantatus
- Albertaceratops
- Hanssuesia
- Medusaceratops lokii
- Shantungosaurus
- Sinoceratops zhuchengensis
- Achelousaurus horneri
- Agujaceratops mariscalensis
- Avaceratops lammersi
- Chasmosaurus
- Coronosaurus
- Corythosaurus casuarius
- Foraminacephale brevis
- Mercuriceratops
- Monoclonius crassus
- Stegoceras validum
- Angulomastacator daviesi
- Centrosaurus
- Spinops sternbergorum
- Lambeosaurus
- Utahceratops
- Spiclypeus shipporum
- Vagaceratops
- Kosmoceratops
- Lapampasaurus
- Maiasaura peeblesorum
- Parasaurolophus walkeri
- Pentaceratops
- Stephanosaurus
- Styracosaurus albertensis
- Furcatoceratops elucidans
- Nasutoceratops titusi
- Prosaurolophus
- Brontotholus harmoni
- Stellasaurus ancellae
- Ahshislesaurus wimani
- Hypacrosaurus
- Navajoceratops sullivani
- Protoceratops andrewsi
- Rhinorex condrupus
- Terminocavus sealeyi
- Titanoceratops
- Magnapaulia
- Kritosaurus
- Anasazisaurus
- Bisticeratops froeseorum
- Velafrons
- Anchiceratops ornatus
- Edmontosaurus regalis
- Naashoibitosaurus
- Pachyrhinosaurus canadensis
- Tlatolophus galorum
- Coahuilasaurus lipani
- Latirhinus uitstlani
- Cheneosaurus
- Diceratops
- Sahaliyania
- Ugrunaaluk
- Kamuysaurus japonicus
- Laiyangosaurus youngi
- Mandschurosaurus
- Olorotitan
- Sierraceratops turneri
- Yehuecauhceratops mudei
- Yamatosaurus izanagii
- Coahuilaceratops magnacuerna
- Adynomosaurus arcanus
- Alaskacephale
- Amurosaurus
- Augustynolophus
- Bravoceratops
- Pachycephalosaurus wyomingensis
- Saurolophus
- Wulagasaurus dongi
- Eotriceratops xerinsularis
- Regaliceratops peterhewsi
- Minqaria bata
- Secernosaurus koerneri
- Torosaurus latus
- Canardia
- Koutalisaurus kohlerorum
- Kundurosaurus nagornyi
- Nedoceratops
- Ojoceratops
- Arenysaurus
- Blasisaurus
- Charonosaurus
- Kerberosaurus manakini
- Pararhabdodon
- Tatankaceratops sacrisonorum