SHIELDS, O. Geologic significance of land organisms that crossed over the Eastern Tethys "Barrier" during the Permo-Triassic. Journal of Palaeosciences, [S. l.], v. 43, n. 1-3, p. 85–95, 1994. DOI: 10.54991/jop.1994.1191. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1191. Acesso em: 3 may. 2024.