(Lesothosaurus_diagnosticus,(Hypsilophodon_foxii,((Rhabdodon_sp,Muttaburrasaurus_langdoni,(Zalmoxes_robustus,Zalmoxes_shqiperorum)),((Tenontosaurus_dossi,Tenontosaurus_tilletti),(Camptosaurus_aphanoecetes,Camptosaurus_dispar,Draconyx_loureiroi,Cumnoria_prestwichii,Owenodon_hoggii,NHMUK_R8676,Utah_taxon_2,Utah_taxon_1,Theiophytalia_kerri,Cedrorestes_crichtoni,Planicoxa_venenica,Camptosaurus_depressus,Dakotadon_lakotaensis,Lurdusaurus_arenatus,Barilium_dawsoni,Hypselospinus_fittoni,NHMUK_R1831,Lanzhousaurus_magnidens,Fukuisaurus_tetoriensis,Kukufeldia_tilgatensis,Iguanodon_bernissartensis,Dollodon_bampingi,Mantellisaurus_atherfieldensis,Ouranosaurus_nigeriensis,Altirhinus_kurzanovi,Jinzhousaurus_yangi,Jintasaurus_meniscus,Equijubus_normani,Penelopognathus_weishampeli,Probactrosaurus_mazongshanensis,Probactrosaurus_gobiensis,Eolambia_caroljonesa,Jeyawati_rugoculus,Protohadros_byrdi,Shuangmiaosaurus_gilmorei,Nanyangosaurus_zhugeii,Bactrosaurus_johnsoni,Gilmoreosaurus_mongoliensis,Levnesovia_transoxiana,Tanius_sinensis,Tethyshadros_insularis,Telmatosaurus_transsylvanicus,Claosaurus_agilis,Lophorhothon_atopus,Hadrosaurus_foulkii,Edmontosaurus_annectens,Corythosaurus_casuarius,(Callovosaurus_leedsi,Camptosaurus_valdensis,Dryosaurus_altus,Dysalotosaurus_lettowvorbecki,Kangnasaurus_coetzeei,Elrhazosaurus_nigeriensis,Valdosaurus_canaliculatus))))));