1. Centro de Apoio à Pesquisa Paleontológica da Quarta Colônia, Universidade Federal de Santa Maria, Rua Maximiliano Vizzotto, 598, 97230-000 São João do Polêsine, RS, Brazil
2. Programa de Pós-Graduação em Biodiversidade Animal, Universidade Federal de Santa Maria, 97105-120 Santa Maria, RS, Brazil
3. School of Engineering, University of British Columbia, Kelowna, British Columbia, Canada
4. Centre for Astrophysics, University of Southern Queensland, Toowoomba, QLD 4350, Australia
5. School of Biological Sciences, Faculty of Science, Monash University, Clayton, Victoria 3800, Australia
6. Museums Victoria Research Institute, GPO Box 666, Melbourne, Victoria 3001, Australia