Maheshwari, H.K, and Usha Bajpai. “Noniasporites, A New Megaspore Genus from the Upper Permian of Raniganj Coalfield”. Journal of Palaeosciences 32, no. (1-3) (December 31, 1984): 113–119. Accessed May 15, 2024. https://jpsonline.co.in/index.php/jop/article/view/1367.