Pashupata Shaivism (Sanskrit: Pāśupatas) is the oldest of the major Shaivite schools. The philosophy of Pashupata sect was systematized by Lakulish (also called Nakuliśa) in the 2nd century A.D. The main texts of the school are Gaṇakārikā, Pañchārtha bhāshyadipikā and Rāśikara-bhāshya.