According to the fossil record, Lissamphibia, which includes all modern amphibians and is the only surviving lineage, may have branched off from the extinct groups Temnospondyli and Lepospondyli at some period between the Late Carboniferous and the Early Triassic.
ɐkˈoːɹdɪŋ tə ðə fˈɑːsəl ɹˈɛkɚd, lˌɪsɐmfˈɪbiə, wˌɪtʃ ɪŋklˈuːdz ˈɔːl mˈɑːdɚn æmfˈɪbiənz ænd ɪz ðɪ ˈoʊnli sɚvˈaɪvɪŋ lˈɪnɪɪdʒ, mˌeɪhɐv bɹˈæntʃt ˈɔf fɹʌmðɪ ɛkstˈɪŋkt ɡɹˈuːps tˈɛmnəspˌɑːndɪli ænd lˈɛpəspˌɑːndɪli æt sˌʌm pˈiəɹɪəd bᵻtwˌiːn ðə lˈeɪt kˌɑːɹbənˈɪfɚɹəs ænd ðɪ ˈɜːli tɹaɪˈæsɪk.