1. Department of Earth and Environmental Sciences, Brooklyn College of CUNY, Brooklyn, NY, USA
2. Earth and Environmental Sciences Program, Graduate Center of CUNY, New York, NY, USA
3. Department of Earth Sciences, School of Physical Sciences, University of Adelaide, SA, Australia
4. Department of Earth and Environmental Sciences, Mount Royal University, Calgary, Alberta, Canada
5. Royal Tyrrell Museum of Palaeontology, Drumheller, Alberta, Canada