Rabbi Ika, the son of Rabbi Chanina, and Rabbi Ashi [Chulin (60b) (see Oqva bar Chinana). Bar Chinana, Eruvin (100b), Pesachim (43b), Bar Chanania, Shabbat (30a). And it requires investigation whether he is the son of Rabbi Chanina bar Ika; if so, Rabbi Ashi is the latter, and if Rabbi Chanania bar Ika is his son, then Rabbi Ashi is the earlier one]:
Seder_HaDorot,_Tanaim_and_Amoraim.458:1