Rab Zavdi in Irchin during the time of Rav [see there (13b) Rav Zavdi said in the name of Rav Huna, and perhaps in the genealogies there is a typographical error and it should say during the time of Rav Huna]:
Seder_HaDorot,_Tanaim_and_Amoraim.1067:1