Wilkinson, M., San Mauro, D., Sherratt, E. and Gower, D. J. (2011) “A nine-family classification of caecilians (Amphibia: Gymnophiona)”, Zootaxa. Auckland, New Zealand, 2874(1), pp. 41–64. doi: 10.11646/zootaxa.2874.1.3.