Large ornithopods
Medium-sized herbivores that usually walked on four legs.

Aralosaurus

Bactrosaurus

Brachylophosaurus

Camptosaurus

Corythosaurus

Edmontosaurus

Eolambia

Equijubus

Fukuisaurus

Gilmoreosaurus

Gryposaurus

Hadrosaurus

Hypacrosaurus

Iguanodon

Jaxartosaurus

Jinzhousaurus

Kritosaurus

Lambeosaurus

Lophorhothon

Lurdusaurus

Maiasaura

Muttaburrasaurus

Nipponosaurus

Ouranosaurus

Parasaurolophus

Probactrosaurus

Prosaurolophus

Protohadros

Rhabdodon

Saurolophus

Secernosaurus

Shantungosaurus

Tanius

Telmatosaurus

Tenontosaurus

Tsintaosaurus