I_bernissartensisI_atherfieldensisP_gobiensisO_nigeriensisP_byrdiB_johnsoniG_mongoliensisT_transsylvanicusT_sinensisP_isonensisEdmontosaurus_sppH_altispinusH_stebingeriA_riabininiK_kohlerorumB_canadensisM_peeblesorumGryposaurus_sppProsaurolophus_sppSaurolophus_sppLambeosaurus_sppC_casuariusParasaurolophus_sppO_arharensisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Prieto-Marquez_etal_2006b