Iguanodon_bernissartensisEquijubus_normaniCedrorestes_crichtoniFukuisaurus_tetoriensisJinzhousaurus_yangiPenelopognathus_weishampeliProbactrosaurus_gobiensisEolambia_caroljonesaProtohadros_byrdiBactrosaurus_johnsoniGilmoreosaurus_mongoliensisTanius_sinensisGlishades_ericksoniShuangmiaosaurus_gilmoreiNanyangosaurus_zhugeiiTelmatosaurus_transsylvanicusLophorhothon_atopusTethyshadros_insularisHadrosaurus_foulkiiShantungosaurus_giganteusWulagasaurus_dongiKritosaurus_navajoviusGryposaurus_latidensGryposaurus_notabilisGryposaurus_monumentensisBig_Bend_UTEP_saurolophineSecernosaurus_koerneriSalitral_Moreno_saurolophineKerberosaurus_manakiniSabinos_saurolophineProsaurolophus_maximusSaurolophus_osborniSaurolophus_angustirostrisEdmontosaurus_annectensEdmontosaurus_regalisTwo_Medicine_saurolophineBrachylophosaurus_canadensisMaiasaura_peeblesorumAralosaurus_tuberiferusJaxartosaurus_aralensisOlorotitan_ararhensisSahaliyania_elunchunorumAmurosaurus_riabininiVelafrons_coahuilensisHypacrosaurus_altispinusLambeosaurus_laticaudusHypacrosaurus_stebingeriCorythosaurus_casuariusCorythosaurus_intermediusLambeosaurus_lambeiLambeosaurus_magnicristatusCharonosaurus_jiayinensisParasaurolophus_cyrtocristatusParasaurolophus_walkeriParasaurolophus_tubicenPararhabdodon_isonensisTsintaosaurus_spinorhinusOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Prieto-Marquez_2010b