Shiva Purana
शैवाः सिद्धांतमार्गस्थाः शैवाः पाशुपतास्तथा ॥ शैवा महाव्रतधराः शैवाः कापालिकाः परे ॥ १७३ ॥
The Shivas follow the path of Siddhanta and the Shivas are the Pashupatas The others are the Shivas who observe great vows and the Shivas who are Kapalis.
english translation
zaivAH siddhAMtamArgasthAH zaivAH pAzupatAstathA ॥ zaivA mahAvratadharAH zaivAH kApAlikAH pare ॥ 173 ॥
hk transliteration by Sanscript