ðeɪ mˈoʊst pɹˈɑːbəbli wɜːɹ ɔːlɹˌɛdi ɐ dɪstˈɪŋkt lˈɪnɪɪdʒ baɪ ðə tjɚɹˈoʊniən ɐbˌaʊt nˈaɪnti mˈɪliən jˈɪɹz ɐɡˈoʊ, æz ðɪ ˈɪndoʊmˈælɐɡəsi klˈeɪd mˈʌstɐv ɚɹˈɪdʒᵻnˌeɪɾᵻd bᵻfˌoːɹ ðə splˈɪt ʌv mˌædəɡˈæskɚ fɹʌmðɪ ˈɪndiən plˈeɪt, wˌɪtʃ kəmˈɛnst ðˈɛn ænd wʌz fˈɪnɪʃt baɪ ðɪ ˈɛnd ʌvðə kɹɛtˈeɪʃəs.
They most probably were already a distinct lineage by the Turonian (about 90 million years ago), as the Indo-Malagasy clade must have originated before the split of Madagascar from the Indian Plate, which commenced then and was finished by the end of the Cretaceous.