BAXTER, R. Problamatical fossil of psilophytalean aspect from the upper Pennsylvanian of Eastern Kansas. Journal of Palaeosciences, [S. l.], v. 21, n. (1-3), p. 39–41, 1972. DOI: 10.54991/jop.1972.1466. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1466. Acesso em: 24 nov. 2024.