In the Braṣāṇḍa Purāṇa (Brahmanda Purana), Maharṣi (Maharsi) Udgala was mentioned while talking about the ṛṣis (sages) included in the gotra or clan of Kouśika (Koushika) Viśwamitra (Viswamitra).

Brahmāṇḍapurāṇa (Maharṣi)(1.32.117.)