MAHESHWARI, H.; SINGH, V.; BAJPAI, U. Bengalia raniganjensis, a new sphenopsid from the raniganj formation, upper permian. Journal of Palaeosciences, [S. l.], v. 37, n. (1-3), p. 169–172, 1988. DOI: 10.54991/jop.1988.1613. Disponível em: https://www.jpsonline.co.in/index.php/jop/article/view/1613. Acesso em: 9 may. 2024.