Narayana, the four primary expansions (Vasudeva, Sankarsana, Pradyumna & Aniruddha), Matsya & the other lila incarnations, the yuga-avataras, the manv-antara incarnations and as many other incarnations as there are - all descend in the body of Lord Krsna

Expressions researched:
"Narayana, the four primary expansions (Vasudeva, Sankarsana, Pradyumna and Aniruddha), Matsya and the other lila incarnations, the yuga-avataras, the manv-antara incarnations and as many other incarnations as there are - all descend in the body of Lord Krsna"

Sri Caitanya-caritamrta

CC Adi-lila

Lord Nārāyaṇa, the four primary expansions [Vāsudeva, Saṅkarṣaṇa, Pradyumna and Aniruddha], Matsya and the other līlā incarnations, the yuga-avatāras, the manv-antara incarnations and as many other incarnations as there are—all descend in the body of Lord Kṛṣṇa. In this way the complete Supreme Godhead, Lord Kṛṣṇa Himself, appears.

CC Adi 4.11, Translation

Lord Nārāyaṇa, the four primary expansions [Vāsudeva, Saṅkarṣaṇa, Pradyumna and Aniruddha], Matsya and the other līlā incarnations, the yuga-avatāras, the manv-antara incarnations and as many other incarnations as there are—all descend in the body of Lord Kṛṣṇa. In this way the complete Supreme Godhead, Lord Kṛṣṇa Himself, appears.