ðə bɹˈɪɾɪʃ tˈæksən æɡnˈɑːsfᵻɾiz wʌz ɚɹˈɪdʒɪnəli dᵻskɹˈaɪbd æz ɐ dˌɪnəsˈɔːɹɪfˌɔːɹm klˈoʊsɚ tə dˌɪnəsˈɔːɹiə ðɐn hˌɛɹɚɹɐsˈɔːɹəs, bˌʌt hɐz ˈɔːlsoʊ bˌɪn klˈæsᵻfˌaɪd æz ɐ dˌɪnəsˈɔːɹɪfˌɔːɹm mˈoːɹ dᵻɹˈaɪvd ðɐn saɪlsˈɔːɹɪdz bˌʌt bˈeɪsəl tə hˌɛɹɚɹɐsˈɔːɹɪdˌiː ænd dˌɪnəsˈɔːɹiə, ɐ saɪlsˈɔːɹɪd, ɔːɹ ɐ bˈeɪsəl sɔːɹˈɪskiən.
The British taxon Agnosphitys was originally described as a dinosauriform closer to Dinosauria than Herrerasaurus, but has also been classified as a dinosauriform more derived than silesaurids but basal to Herrerasauridae and Dinosauria, a silesaurid, or a basal saurischian.