ðə hˈɑːlətˌaɪp wʌz dᵻskɹˈaɪbd æz hˌævɪŋ ɐn ˌɪntɚdˈɪdʒᵻtˌeɪɾᵻd sˈuːtʃɚɹ æt ðə bˈeɪs ʌvðə kwˈɑːdɹeɪt, æz ɪn pˌækɪsˌɛfɐləsˈɔːɹəs, baɪ ɡˈæŋɡlɔf ænd kˈɑːliːɡz dᵻskɹˈɪpʃən.
The holotype was described as having an interdigitated suture at the base of the quadrate, as in Pachycephalosaurus, by Gangloff and colleague's description.