1. Department of Biology, University of Toronto Mississauga, 3359 Mississauga Road, Mississauga, Ontario, Canada L5L 1C6
2. Department of Biological Sciences, Faculty of Science, University of Alberta, Edmonton, Alberta, Canada T6G 2E9
3. Department of Oral Health Sciences, Faculty of Dentistry, Life Sciences Institute, University of British Columbia, Vancouver, British Columbia, Canada
4. Department of Biology and Burke Museum, University of Washington, Seattle, WA, USA
5. Unidad Ejecutora Lillo, Conicet, Tucumán, Argentina
6. Evolutionary Studies Institute and School of Geosciences, University of the Witwatersrand, Johannesburg, South Africa
7. National Research Foundation, Centre of Excellence: Palaeosciences, Pretoria, South Africa
8. Institute of Oral Medicine, College of Medicine, National Cheng Kung University, Tainan, Taiwan, Republic of China
9. DERC, Jilin University, Changchun, Jilin Province, People's Republic of China