ɪts dᵻklˈaɪn wʌz sɪɡnˈɪfɪkənt ɪnˈʌf ðæt wɛn ðə pɛntˈæpəlˌɪs, ðə lˈiːɡ ʌvðə fˈaɪv mˈoʊst pɹˈɑːmɪnənt sˈɪɾiz ʌv sˌaɪɹənˈeɪkə, dɪvˈɛləpt ɪnðə lˈeɪt hˌɛlənˈɪstɪk pˈiəɹɪəd, bˈɑːɹkə wʌz nˌɑːɾə mˈɛmbɚ.
Its decline was significant enough that when the Pentapolis, the league of the five most prominent cities of Cyrenaica, developed in the late Hellenistic period, Barca was not a member.