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Campbell, K. S. W. and Barwick, R. E. (1986) Paleozoic lungfishes; a review. Journal of Morphology, Supple (1). pp. 93-131.
Campbell, K. S. W. and Barwick, R. E. (1985) An advanced massive dipnorhynchid lungfish from the Early Devonian of New South Wales, Australia. Records of the Australian Museum, 37 (5). pp. 301-316.
Abbott, W.J.L. (1895) Notes on a remarkable barrow at Sevenoaks (Extr. from JL of the Anthropo9l. Inst. Vol 25). Journal of the Anthropological Institute of Great Britain and Ireland, 25.