Occurrences

Garuḍapurāṇa
Mātṛkābhedatantra

Garuḍapurāṇa
GarPur, 1, 34, 14.1 tataśca darśayenmudrāṃ śaṅkhapadmādikāṃ śubhām /
Mātṛkābhedatantra
MBhT, 13, 6.2 bhairavyāḥ prajapen mantrī śaṅkhapadmākhyayā priye //