ðə dᵻmˈɛnʃənz ʌvðə hˈɑːlətˌaɪp sədʒˈɛst ðˌæɾə. ɡˈæŋɡlɔfi wʌz ɐbˌaʊt hˈæf ðə sˈaɪz ʌv pˌækɪsˌɛfɐləsˈɔːɹəs wˌaɪoʊmɪndʒˈɛnsɪs ɔːɹ θɹˈiːkwˈɔːɹɾɚz ðə sˈaɪz ʌv pɹɪnˈoʊsfeɪl, ænd ɐbˌaʊt ðə sˈeɪm sˈaɪz æz sfˌɛɹəθˈoʊləs ænd fˈɔːɹɐmˌɪneɪsfˌeɪl.
The dimensions of the holotype suggest that A. gangloffi was about half the size of Pachycephalosaurus wyomingensis or three-quarters the size of Prenocephale, and about the same size as Sphaerotholus and Foraminacephale.