Srimad-Bhagavatam: Canto 4 - Chapter 1 - Verse 8

Sanskrit:

विधाय कार्त्स्‍न्येन च तद्यदाह भगवान् भव: ।सन्दधु: कस्य कायेन सवनीयपशो: शिर: ॥ ८ ॥

ITRANS:

vidhāya kārtsnyena ca tadyad āha bhagavān bhavaḥsandadhuḥ kasya kāyenasavanīya-paśoḥ śiraḥ

Translation:

After everything was executed exactly as directed by Lord Śiva, Dakṣa’s body was joined to the head of the animal meant to be killed in the sacrifice.

Purport:

This time, all the demigods and great sages were very careful not to irritate Lord Śiva. Therefore whatever he asked was done. It is specifically said here that Dakṣa’s body was joined to the head of an animal (a goat).