Padma Purana 1.55.2

Padmapurāṇa 1.55.2

upadeṣṭāsahasrāṇāṃdvijānāṃśāṃtidaḥparaḥ
ekadaṃḍadharaḥsākṣātkūrmavaddharaṇīsthitaḥ