Euparkeria_capensisMarasuchus_liloensisHerrerasaurusPisanosaurus_mertiiAbrictosaurus_consorsBMNH_A100Echinodon_becklessiFruitadens_haagarorumTianyulong_confuciusiManidens_condoriensisHeterodontosaurus_tuckiLycorhinus_angustidensEocursor_parvusLesothosaurus_diagnosticusStormbergia_dangershoekiScutellosaurus_lawleriEmausaurus_ernstiiScelidosaurus_harrisoniiStegosauriaAnkylosauriaAgilisaurus_louderbackiHexinlusaurus_multidensOthnieliosaurus_consorsAnabisetia_saldiviaiBugenasaura_infernalisGasparinisaura_cincosaltensisHypsilophodon_foxiiJeholosaurus_shangyuanensisOrodromeus_makelaiParksosaurus_warreniThescelosaurus_neglectusYandusaurus_hongheensisZephyrosaurus_schaffiTenontosaurus_tilletiTenontosaurus_dossiTalenkauen_santacrucensisRhabdodontidaeDryosauridaeAnkylopollexiaMicropachycephalosaurus_hongtuyanensisStenopelix_valdensisWannanosaurus_yansiensisGoyocephale_lattimoreiHomalocephale_calathocercosPachycephalosauridaeChaoyangosaurus_youngiPsittacosauridaeLiaoceratops_yanzigouensisArchaeoceratops_oshimaiUnnamed_taxon_Coronosauria_plus_LeptoceratopsidaeYinlong_downsiTrinisaura_santamartaensisOsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Coria_etal_2013a