Pinheiro, E.R.S., G.P. Tybusch, and Roberto Iannuzzi. “New Evidence of Plant-Insect Interactions in the Lower Permian from Western Gondwana”. Journal of Palaeosciences 61, no. (1-2) (December 31, 2012): 67–74. Accessed February 22, 2025. https://jpsonline.co.in/index.php/jop/article/view/350.