ðə ɡɹˈuːp ɪŋklˈuːdᵻd lˈɔŋsnˈaʊɾᵻd fˈɔːɹmz sˈʌtʃ ɐz ðə tɹˈɛmɐtˌɑːsəɹˌɔɪdz ænd ʃˈɔːɹt, bɹˈɔːdhˈɛdᵻd fˈɔːɹmz sˈʌtʃ ɐz ðə mɛtˈɑːpəsˌɔːɹz.
The group included long-snouted forms such as the trematosauroids and short, broad-headed forms such as the metoposaurs.