Krassilov, Valentin. “Fungi on the Devonian Thalloid Plant Schuguria (Orestoviaceae)”. Journal of Palaeosciences 61, no. (1-2) (December 31, 2012): 373–385. Accessed May 4, 2024. https://www.jpsonline.co.in/index.php/jop/article/view/361.