CHANDRA, S.; SINGH, K. Handapaphyllum- A new leaf type from the upper permian of Orissa, India. Journal of Palaeosciences, [S. l.], v. 37, n. (1-3), p. 143–146, 1988. DOI: 10.54991/jop.1988.1609. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1609. Acesso em: 3 may. 2024.