Mamay, Sergius H. “Padgettia, a New Genus Based on Fertile Neuropteroid Foliage from the Permian of Texas”. Journal of Palaeosciences 9, no. (1-2) (December 31, 1960): 53–57. Accessed September 1, 2024. https://jpsonline.co.in/index.php/jop/article/view/597.