SINGH, H.; KUMAR, P. Some observations of the genus Contignisporites Dettmann 1963. Journal of Palaeosciences, [S. l.], v. 15, n. (1-3), p. 93–97, 1966. DOI: 10.54991/jop.1966.752. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/752. Acesso em: 7 may. 2024.