Dinosauria Ornithischia Cerapoda Ornithopoda
Iguanodontia
Thumb-spiked plant-eaters, ancestors to hadrosaurs.
- Nectosaurus
- Ajnabia odysseus
- Iguanodon bernissartensis
- Huaxiaosaurus aigahtens
- Aquilarhinus palimentus
- Barsboldia sicinskii
- Didanodon
- Gongshuilong fanwei
- Jaxartosaurus aralensis
- Kazaklambia
- Kelumapusaura machi
- Tsintaosaurus
- Anatotitan
- Eotrachodon
- Huallasaurus
- Aralosaurus
- Hadrosaurus
- Procheneosaurus
- Tetragonosaurus
- Zhuchengosaurus maximus
- Malefica deckerti
- Probrachylophosaurus
- Bonapartesaurus
- Gryposaurus
- Nipponosaurus sachalinensis
- Acristavus
- Brachylophosaurus
- Adelolophus hutchisoni
- Ornatops incantatus
- Shantungosaurus
- Corythosaurus casuarius
- Angulomastacator daviesi
- Lambeosaurus
- Lapampasaurus
- Maiasaura peeblesorum
- Parasaurolophus walkeri
- Stephanosaurus
- Prosaurolophus
- Ahshislesaurus wimani
- Hypacrosaurus
- Rhinorex condrupus
- Magnapaulia
- Kritosaurus
- Anasazisaurus
- Velafrons
- Edmontosaurus regalis
- Naashoibitosaurus
- Tlatolophus galorum
- Coahuilasaurus lipani
- Latirhinus uitstlani
- Cheneosaurus
- Sahaliyania
- Ugrunaaluk
- Kamuysaurus japonicus
- Laiyangosaurus youngi
- Mandschurosaurus
- Olorotitan
- Yamatosaurus izanagii
- Adynomosaurus arcanus
- Amurosaurus
- Augustynolophus
- Saurolophus
- Wulagasaurus dongi
- Minqaria bata
- Secernosaurus koerneri
- Canardia
- Koutalisaurus kohlerorum
- Kundurosaurus nagornyi
- Arenysaurus
- Blasisaurus
- Charonosaurus
- Kerberosaurus manakini
- Pararhabdodon