Nagy, Z.T., Gvoždík, V., Meirte, D., Collet, M. & Pauwels, O.S. (2014)

New data on the morphology and distribution of the enigmatic Schouteden’s sun snake, Helophis schoutedeni (de Witte, 1922) from the Congo Basin

. Zootaxa, 3755 (1), 96–100.