The Sixth Manvantara
Skandha VIII. Chapter 5
The Sixth Manu was Châkshusha, son of Chakshus. Pûru, Pûrusha, Sudyumna and others were his sons. Mantra Druma was Indra. Apya and others were the Devas; Haryasma, Dviraka and others were the Rishis.
The Avatâra was Ajita, son of Vairaja by Deva-Sambhûti. He assumed the form of Kûrma or the Tortoise, and helped in the churning of the Milk Ocean.