BOSE, M.; KASAT, M. The genus Ptilophyllum in India. Journal of Palaeosciences, [S. l.], v. 19, n. 1-3, p. 115–145, 1970. DOI: 10.54991/jop.1970.861. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/861. Acesso em: 18 may. 2024.