大乘百法明門論開宗義記 1.8

1.8

異部有二十　本二末十八
本上座大眾　末初從大眾
有一說出世　鷄胤及多聞
說假制多山　西山北山住
上座名雪轉　流出一切有
犢子法賢胄　正量密林山
化地并法藏　飲光經量部

"The different sects are twenty: two root and eighteen branch.
Root Sthavira and Mahāsāṃghika; branches initially from Mahāsāṃghika:
Ekavyāvahārika, Lokottaravāda,
Kaukkulikā, and Bahuśrutīya,
Prajñaptivāda, Caityaśaila,
Aparaśaila, and Uttaraśaila.
Sthavira named Haimavata,
From which flowed out Sarvāstivāda,
Vātsīputrīya, Dharmottarīya,
Bhadrayānīya, Saṃmatīya, Ṣaṇṇagarika,
Mahīśāsaka and Dharmaguptaka,
Kāśyapīya, and Sautrāntika."