Iguanodon_bernissartensisHadrosaurus_foulkiiBactrosaurus_johnsoniWulagasaurus_dongiBrachylophosaurus_canadensisProbrachylophosaurus_bergeiMaiasaura_peeblesorumAcristavus_gagslarsoniCorythosaurus_casuariusEdmontosaurus_annectensEdmontosaurus_regalisKritosaurus_navajoviusGryposaurus_notabilisGryposaurus_latidensGryposaurus_monumentensisProsaurolophus_maximusSecernosaurus_koerneriSaurolophus_osborniSaurolophus_angustirostrisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Freedman_Fowler_et_Horner_2015ab