Matsyapurana 171.64

171.64

tadā vai pauṣkaro rājan prādurbhāvo mahātmanaḥ
prādurbhāvaḥ pauṣkaraste mayā dvaipāyaneritaḥ //

Kadrû was the mother of the mountains and the serpents, and in such a way the universe multiplied—63 O King! In such a way the lotus Puskara was produced by Viṣṇu and the creation emanating from it is known as Padmasṛṣṭi I have thus described the glory of the Lord Viṣṇu—the Purāṇapuruṣa—before you; and the Ṛiṣis, all pray to Viṣṇu the Prime cause of all—64 65