Naugolnykh, Serge V. “Sporophyll Morphology and Reconstruction of the Heterosporous Lycopod Tomiostrobus Radiatus Neuburg Emend. From the Lower Triassic of Siberia (Russia)”. Journal of Palaeosciences 61, no. (1-2) (December 31, 2012): 387–405. Accessed April 28, 2024. https://jpsonline.co.in/index.php/jop/article/view/362.