Affiliation: | Laboratory of Animal Diversity &Systematics, Katholieke Universiteit Leuven, Deberiotstraat 32, B-3000 Leuven, Belgium; , Leibniz-Institute of Freshwater Ecology and Inland Fisheries, Müggelseedamm 310, D-12587 Berlin, Germany; and Royal Museum of Central Africa, Leuvensesteenweg 13, B-3080 Tervuren, Belgium |