Srimad-Bhagavatam: Canto 12 - Chapter 1 - Verse 4
Sanskrit:
नक्षत्रकल्प: शान्तिश्च कश्यपाङ्गिरसादय: ।एते आथर्वणाचार्या: शृणु पौराणिकान् मुने ॥ ४ ॥
ITRANS:
nakṣatrakalpaḥ śāntiś cakaśyapāṅgirasādayaḥete ātharvaṇācāryāḥśṛṇu paurāṇikān mune
Translation:
Nakṣatrakalpa, Śāntikalpa, Kaśyapa, Āṅgirasa and others were also among the ācāryas of the Atharva Veda. Now, O sage, listen as I name the authorities on Purāṇic literature.