M.  Franzen, Jones, J., Raselimanana, A. P., Nagy, Z. T., D'Cruze, N., Glaw, F., and Vences, M., ?A new black-bellied snake (Pseudoxyrhophiinae: Liophidium) from western Madagascar, with notes on the genus Pararhadinaea?, Amphibia-Reptilia, vol. 30, no. 2, pp. 173 - 183, 2009.