1. Department of Earth Sciences Carleton University 1125 Colonel By Drive Ottawa ON K1S 5B6 Canada
2. Department of Biology University of Toronto Mississauga 3359 Mississauga Road Mississauga ON L5L 1C6 Canada
3. Department of Comparative Biology & Experimental Medicine University of Calgary 3330 Hospital Drive NW Calgary AB T2N 4N1 Canada
4. McCaig Institute for Bone & Joint Health University of Calgary 3280 Hospital Drive NW Calgary AB T2N 4Z6 Canada
5. Department ‘Evolutionary Morphology’ Science Programme ‘Evolution and Geoprocesses’ Museum für Naturkunde – Leibniz Institute for Evolutionary and Biodiversity Research Invalidenstraße 43 10115 Berlin Germany