(1)
Gower, D. J.; Papadopoulou, A.; Doherty-Bone, T. M.; Pupin, F.; San Mauro, D.; Loader, S. P.; Wilkinson, M. The Systematics of Boulengerula Fischeri (Amphibia: Gymnophiona: Caeciliidae) Based on Morphological and Molecular Data. Zootaxa 2011, 2767, 14–24.