Literature
- Duméril, Andre M. C., and G. Bibron. 1835. Erpétologie générale ou histoire naturelle complete des reptiles. Vol. 2. Libraire Encyclopedique de Roret, Paris. 680 pp.
- Ewert, M. A. 1979. The embryo and its egg: development and natural history. In: M. Harless and H. Morlock (eds.), Turtles: Perspectives and Research, pp. 333-413. Wiley-Interscience, New York.
- Smith, M. A. 1931. The fauna of British India, including Ceylon and Burma. Reptilia and Amphibia, vol. 1, Loricata and Testudines. Taylor and Francis, London. 185 pp.