Anandakanda 1.3.32

1.3.32

pūrvaṃ gaṇapatermantraṃ kṣetrapālamanuṃ tataḥ /
ṛṣistu gaṇakaśchando nyṛcidgāyatrikā smṛtam //

First the mantra of Gaṇapati, and then the hymn of Kṣetrapāla. / The seer is Gaṇaka, the meter is remembered as Nyṛcidgāyatrikā;