1. University of Zurich, Palaeontological Institute and Museum, Zurich, Switzerland
2. Oxford University Museum of Natural History, Oxford, UK
3. National Museums Scotland, Edinburgh, UK
4. European Synchrotron Radiation Facility, Grenoble, France
5. The Natural History Museum, London, UK
6. Field Museum of Natural History, Chicago, IL, USA
7. Museo Civico di Storia Naturale di Milano, Milan, Italy