1. Department of Earth Sciences, University of Oxford, Oxford, UK.
2. Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta, Canada.
3. School of Environment and Rural Science, University of New England, Armidale, New South Wales, Australia.
4. Department of Earth Sciences, Carleton University, Ottawa, Ontario, Canada.
5. Nagaunee Integrative Research Centre, Field Museum of Natural History, Chicago, IL, USA.
6. Department of Ecology and Evolutionary Biology, University of Toronto, Toronto, Ontario, Canada.
7. Royal Ontario Museum, Toronto, Ontario, Canada.
8. Paleontology, North Carolina Museum of Natural Sciences, Raleigh, NC, USA.
9. Department of Biological Sciences, North Carolina State University, Raleigh, NC, USA.