Mudgalapurana 2.11.42.c1

2.11.42.c1

oṃ tatsaditi śrīmadāntye purāṇopaniṣadi śrīmanmaudgale mahāpurāṇe dvitīye khaṇḍe ekadantacaritre bhūgolavarṇanaṃ nāmaikādaśo'dhyāyaḥ ||

Oṃ tat sat. Thus, in the glorious late purāṇic Upaniṣad, in the glorious Mudgalapurāṇa, in the second section on the acts of Ekadanta, the eleventh chapter, named 'Description of the Terrestrial Globe'.