kˈɜːɹəntli, pˌækɪsɪfˈæləsˌɔːɹz ɑːɹ ɹˈɛkəɡnˌaɪzd æz bˌiːɪŋ pˈɑːɹt ʌvðə lˈɑːɹdʒɚ ɡɹˈuːp mˌɑːɹdʒɪnoʊsfˈeɪliə wˌɪtʃ ɛŋkˈʌmpəsᵻz ɪt ænd ðə dʒaɪɡˈæntɪk, hˈɔːɹnd sˌɛɹɐtˈɑːpsiənz.
Currently, pachycephalosaurs are recognized as being part of the larger group Marginocephalia which encompasses it and the gigantic, horned ceratopsians.