Anuvṛttā (Anuvritta) was one of the daughters sired by Pulaha Prajāpati (Prajapati) to Ṛṣā (Risha). From Anuvṛttā toads, frogs and animals of the like (maṇḍūka; manduka) originated. 

Vāyupurāṇa(69.291, 295)
Brahmāṇḍapurāṇa (Maharṣi)(2.7.414, 418)