One verse

Srimad Bhagavatam 12.7.5

12.7.5

त्रय्यारुणि: कश्यपश्च सावर्णिरकृतव्रण: । वैशम्पायनहारीतौ षड् वै पौराणिका इमे ॥ ५ ॥

trayyāruṇiḥ kaśyapaś ca sāvarṇir akṛtavraṇaḥ vaiśampāyana-hārītau ṣaḍ vai paurāṇikā ime

trayyāruṇiḥ kaśyapaḥ ca
Trayyāruṇi and Kaśyapa
sāvarṇiḥ akṛta-vraṇaḥ
Sāvarṇi and Akṛtavraṇa
vaiśampāyana-hārītau
Vaiśampāyana and Hārīta
ṣaṭ
six
vai
indeed
paurāṇikāḥ
spiritual masters of the Purāṇas
ime
these

Trayyāruṇi, Kaśyapa, Sāvarṇi, Akṛtavraṇa, Vaiśampāyana and Hārīta are the six masters of the Purāṇas.