The earliest amphibians evolved in the Devonian period from sarcopterygian fish with lungs and bony-limbed fins, features that were helpful in adapting to dry land.
ðɪ ˈɜːlɪɪst æmfˈɪbiənz ɪvˈɑːlvd ɪnðə dɛvˈoʊniən pˈiəɹɪəd fɹʌm sˈɑːɹkəptɚɹˌɪdʒən fˈɪʃ wɪð lˈʌŋz ænd bˈoʊnilˈɪmd fˈɪnz, fˈiːtʃɚz ðæt wɜː hˈɛlpfəl ɪn ɐdˈæptɪŋ tə dɹˈaɪ lˈænd.