SURANGE, K.; KULKARNI, S. On two new species of Phyllotheca from the South Karanpura Coalfield, Bihar. Journal of Palaeosciences, [S. l.], v. 16, n. (1-3), p. 95–100, 1967. DOI: 10.54991/jop.1967.506. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/506. Acesso em: 18 jul. 2024.