Varma, C.P. “Further Observations on Morelletpora Nammalensis Varma from the Khairabad Limestone (Ranikot) Beds of the Nammal Gorge, Punjab Salt Range”. Journal of Palaeosciences 4 (December 31, 1955): 101–111. Accessed May 15, 2024. https://jpsonline.co.in/index.php/jop/article/view/478.