Surange, K. and Srivastava, P. 1956. Studies in the Glossopteris flora of India - 5. Generic status of Glossopteris, Gangamopteris and Palaeovittaria. Journal of Palaeosciences. 5, (Dec. 1956), 46–49. DOI:https://doi.org/10.54991/jop.1956.484.