Bose, M.N., and Sukh Dev. “A New Species of Ptilophyllum from Bansa, South Rewa Gondwana Basin”. Journal of Palaeosciences 6, no. (1-2) (December 31, 1957): 12–15. Accessed November 22, 2024. https://jpsonline.co.in/index.php/jop/article/view/547.