Skandapurana 16.105.46

16.105.46

rauravaḥ paṃcamaḥ proktaḥ ṣaṣṭhaḥ prāṇa iti smṛtaḥ ..
saptamo'tha bṛhatkalpaḥ kandarpo'ṣṭama ucyate .. 46 ..

the fifth is declared to be Raurava; the sixth is recorded as Prāṇa;
then the seventh is the Bṛhatkalpa; the eighth is called Kandarpa;