Mudgalapurana 3.28.18

3.28.18

tataśca guruṇā dakṣa śivastena prasāditaḥ |
śambhuraṅgirasaḥ śiṣyaḥ sa vai krodhayuto'bhavat ||

Then by the guru, O Dakṣa, Śiva was propitiated. / Śambhu, a disciple of the descendant of Aṅgiras, became full of rage.