1. Department of Environmental Science (Biogeography); University of Basel; 4056 Basel Switzerland
2. Ecology, Evolution and Developmental Group, Department of Wetland Ecology; Estación Biológica de Doñana (CSIC); 41092 Sevilla Spain
3. Institut für Spezielle Zoologie und Evolutionsbiologie mit Phyletischem Museum; Friedrich-Schiller-Universität Jena; 07743 Jena Germany
4. Museum für Naturkunde Berlin; Leibniz Institute for Evolution and Biodiversity Science; 10115 Berlin Germany
5. Tropical Biodiversity Section; MUSE-Museo delle Scienze; Trento 38123 Italy
6. Cameroon Herpetology-Conservation Biology Foundation; P.O. Box 8218 Yaoundé Cameroon
7. Institute of Vertebrate Biology; Czech Academy of Sciences; Brno Czech Republic
8. Natural History Museum of Geneva; Department of Herpetology and Ichthyology; C.P. 6434 1211 Geneva 6 Switzerland
9. Biodiversity and Conservation Biology Department; University of the Western Cape; Bellville 7535 South Africa
10. Department of Life Sciences; University of Roehampton; London SW15 4JD United Kingdom