Eventually, their bony fins would evolve into limbs and they would become the ancestors to all tetrapods, including modern amphibians, reptiles, birds, and mammals.
ᵻvˈɛntʃuːəli, ðɛɹ bˈoʊni fˈɪnz wʊd ɪvˈɑːlv ˌɪntʊ lˈɪmz ænd ðeɪ wʊd bɪkˌʌm ðɪ ˈænsɛstɚz tʊ ˈɔːl tˈɛtɹɐpˌɑːdz, ɪŋklˈuːdɪŋ mˈɑːdɚn æmfˈɪbiənz, ɹˈɛptaɪlz, bˈɜːdz, ænd mˈæməlz.