1. Zoological Institute, Department of Environmental Sciences, University of Basel, Basel, Switzerland.
2. Department of Paleontology and Museum, University of Zurich, Zurich, Switzerland.
3. Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Oslo, Norway.
4. Center for Molecular Biodiversity Research, Zoological Research Museum Alexander Koenig, Bonn, Germany.