Channing, A., A. Hillers, S. Lötters, M.-O. Rödel, S. Schick, W. Conradie, D. Rödder, V. Mercurio, P. Wagner, J. M. Dehling, L. H. Du Preez, J. Kielgast, and M. Burger. 2013. Taxonomy of the super-cryptic Hyperolius nasutus group of long reed frogs of Africa (Anura: Hyperoliidae), with descriptions of six new species. Zootaxa 3620: 301–350 (