NAUGOLNYKH, S. V. A new peltaspermaceous pteridosperm from the Upper Permian of the Russian platform. Journal of Palaeosciences, [S. l.], v. 50, n. (1-3), p. 189–205, 2001. DOI: 10.54991/jop.2001.1822. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1822. Acesso em: 19 apr. 2024.