Vanadurgā Upaniṣad 1.5.p9

1.5.p9

kālākhya vāruṇe pīṭhe vāyavyā ca karālinam |
uttare hyekapāda ca tvīśānyā bhīmarūpiṇam ||

the one named Kāla in the western seat, and Karālin in the north-west; / Ekapāda in the north, and the one of terrible form in the north-east;