Iguanodon_bernissartensisEquijubus_normaniProbactrosaurus_gobiensisProtohadros_byrdiTanius_sinensisBactrosaurus_johnsoniGilmoreosaurus_mongoliensisTelmatosaurus_transsylvanicusLophorhothon_atopusHadrosaurus_foulkiiAralosaurus_tuberiferusJaxartosaurus_aralensisTsintaosaurus_spinorhinusPararhabdodon_isonensisParasaurolophus_cyrtocristatusParasaurolophus_tubicenCharonosaurus_jiayinensisVelafrons_coahuilensisMagnapaulia_laticaudusOlorotitan_ararhensisHypacrosaurus_altispinusCorythosaurus_casuariusCorythosaurus_intermediusLambeosaurus_lambeiLambeosaurus_magnicristatusSahaliyania_elunchunorumAmurosaurus_riabininiSaurolophus_osborniEdmontosaurus_annectensOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Prieto-Marquez_etal_2012a