Cyrenensis
Could not find Cyrenensium in Logeion dictionaries.
Cyrenensium Proper-name adjective: masculine genitive plural, Proper-name adjective: feminine genitive plural, Proper-name adjective: neuter genitive plural of Cyrenensis
Cȳrēnēnsis, (16) e, de Cyrène [ville] : Cyrenenses agri Cic. Agr. 2, 51, territoire de Cyrène || Cyrenenses, ĭum, m. , Sall. J. 79, 2, habitants de Cyrène.