However, a few vertebrates, such as the sturgeon and the coelacanth, retain the notochord into adulthood.
haʊˈɛvɚ, ɐ fjˈuː vˈɜːɾɪbɹˌeɪts, sˈʌtʃ ɐz ðə stˈɜːdʒən ænd ðə sˈiːlɐkˌænθ, ɹᵻtˈeɪn ðə nˈɑːɾəkˌɔːɹd ˌɪntʊ ɐdˈʌlthʊd.