(Iguanodon,(Probactrosaurus,(Eolambia,Protohadros),(Telmatosaurus,(Corythosaurus,Edmontosaurus,Gryposaurus,Hypacrosaurus,K_australis,Lambeosaurus,Lophorhothon,Naashoibitosaurus,Nipponosaurus,Parasaurolophus,Prosaurolophus,Saurolophus,Tsintaosaurus,(Brachylophosaurus,Maiasaura)))));