ɚɹˈɪdʒɪnəli dᵻskɹˈaɪbd æz kˌæzməsˈɔːɹəs mˌæɹɪskˈeɪlənsˌɪs baɪ lˈeɪmən ɪn nˈaɪntiːnhˈʌndɹɪd ˈeɪɾi nˈaɪn, sˈʌbsᵻkwənt ɐnˈæləsˌɪs ɹɪzˈʌltᵻd ɪnðə tˈæksən bˌiːɪŋ pˌʊt ɪn ɪts ˈoʊn dʒˈɛnəs.
Originally described as Chasmosaurus mariscalensis by Lehman in 1989, subsequent analysis resulted in the taxon being put in its own genus.