1. Senckenberg Research Institute and Natural History Museum Frankfurt, Palaeoanthropology and Messel Research; Senckenberganlage 25 60325 Frankfurt am Main Germany
2. Geological Institute, Slovak Academy of Sciences; Ďumbierska 1 974 01 Banská Bystrica Slovak Republic
3. Department of Ecology, Faculty of Natural Sciences; Comenius University in Bratislava; Mlynská dolina 84215 Bratislava Slovakia