Anutaptā (Anutapta) is one of the seven major rivers flowing in Plakṣadvīpa (Plakshadwipa). 

Vāyupurāṇa(49.17)
Viṣṇupurāṇa(2.4.11)
Brahmāṇḍapurāṇa (Maharṣi)(1.19.19)