1. Baylis, H.A. (1939). The Fauna of British India including Ceylon and Burma. Volume 2. London, Taylor and Francis Ltd., p. 204.
2. Cogger, H.G. (1975). Reptiles and Amphibians of Australia. Sydney, A.H. & A.W. Reed Pty. Ltd., 584 pp.
3. Darlington, P.J. (1957). Zoogeography: the geographical distribution of animals. New York, London, Sydney, John Wiley and Sons, Inc., pp. ix + 675.
4. Gaffney, E.S. (1981). A review of the fossil turtles of Australia. American Museum Novitates, 2720, 1–38.
5. Hasegawa, H. & Otsuru, M. (1978). Notes on the life cycle of Spiroxys japonica Morishita, 1926 (Nematoda: Gnathostomatidae). Japanese Journal of Parasitology, 27, 113–122.