Maithy, P. 1964. Studies in the Glossopteris Flora of India - 20. Noeggerathiopsis and allied remains from the Karharbari beds Giridih Coalfield, India. Journal of Palaeosciences. 13, (1-3) (Dec. 1964), 94–100. DOI:https://doi.org/10.54991/jop.1964.684.