BOSE, M.; ROY, S. On the occurrence of Pachypteris in the Jabalpur series of India. Journal of Palaeosciences, [S. l.], v. 16, n. (1-3), p. 1–9, 1967. DOI: 10.54991/jop.1967.499. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/499. Acesso em: 10 aug. 2024.