SB 8.13.7

saṅkṣepato mayoktāni
 sapta-manvantarāṇi te
bhaviṣyāṇy atha vakṣyāmi
 viṣṇoḥ śaktyānvitāni ca
Word for word: 
saṅkṣepataḥ — in brief; mayā — by me; uktāni — explained; sapta — seven; manu-antarāṇi — changes of Manu; te — unto you; bhaviṣyāṇi — the future Manus; atha — also; vakṣyāmi — I shall speak; viṣṇoḥ — of Lord Viṣṇu; śaktyā anvitāni — empowered by the energy; ca — also.
Translation: 
I have briefly explained to you the position of the seven Manus. Now I shall describe the future Manus, along with the incarnations of Lord Viṣṇu.