One verse

Srimad Bhagavatam 12.7.7

12.7.7

कश्यपोऽहं च सावर्णी रामशिष्योऽकृतव्रण: । अधीमहि व्यासशिष्याच्चत्वारो मूलसंहिता: ॥ ७ ॥

kaśyapo ’haṁ ca sāvarṇī rāma-śiṣyo ’kṛtavraṇaḥ adhīmahi vyāsa-śiṣyāc catvāro mūla-saṁhitāḥ

kaśyapaḥ
Kaśyapa
aham
I
ca
and
sāvarṇiḥ
Sāvarṇi
rāma-śiṣyaḥ
a disciple of Rāma
akṛtavraṇaḥ
namely Akṛtavraṇa
adhīmahi
we have assimilated
vyāsa-śiṣyāt
from the disciple of Vyāsa (Romaharṣaṇa)
catvāraḥ
four
mūla-saṁhitāḥ
basic collections

Romaharṣaṇa, a disciple of Vedavyāsa, divided the Purāṇas into four basic compilations. The sage Kaśyapa and I, along with Sāvarṇi and Akṛtavraṇa, a disciple of Rāma, learned these four divisions.