ArchaeothyrisVaranosaurusOphiacodon_sppIanthodonHaptodus_garnettensisPalaeohatteriidaeIanthasaurusXyrospondylusKUVP_1425Bohemiclavulus_mirabilisGlaucosaurusLupeosaurusEdaphosaurus_colohistionEdaphosaurus_novomexicanusEdaphosaurus_boanergesEdaphosaurus_pogoniasEdaphosaurus_crucigerEdaphosaurus_credneriEdaphosaurus_mirabilisSaP_344BelebeyIanthasaurus_HolotypeIanthasaurus_ROM_29942Ianthasaurus_ROM_29941Ianthasaurus_ROM_29940Ianthasaurus_ROM_37751Ianthasaurus_ROM_59933Ianthsaurus_FO_284Badger_CreekSYN_GarnettSYN_pointed_teethSYNOPSIS_IanthasaurusNMMNH_P_dash_70796OsteologyMaximum ParsimonyBased on reanalysis of the original matrix.Spindler_etal_inpressa