BHARADWAJ, D. On Porostrobus zeilleri Nathorst and its spores with remarks on the systematic position of P. bennholdi Bode and the phylogeny of Densosporites Berry. Journal of Palaeosciences, [S. l.], v. 7, n. (1-2), p. 67–75, 1958. DOI: 10.54991/jop.1958.571. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/571. Acesso em: 27 may. 2024.