Iguanodon

Probactrosaurus

Protohadros

Eolambia

Telmatosaurus

Tsintaosaurus

Saurolophus

Prosaurolophus

Parasaurolophus

Nipponosaurus

Naashoibitosaurus

Lophorhothon

Lambeosaurus

K_australis

Hypacrosaurus

Gryposaurus

Edmontosaurus

Corythosaurus

Maiasaura

Brachylophosaurus