Tenontosaurus Olorotitan Telmatosaurus Dryosaurus Rhabdodon Jaxartosaurus Iguanodontia Maiasaura Bayannurosaurus Kentrosaurus Hypsilophodon Tsintaosaurus Ouranosaurus Muttaburrasaurus Lambeosaurini Ornithopoda Qantassaurus Hadrosauroidea Saurolophus Hadrosauridae Lambeosaurus