1. School of GeoSciences Grant InstituteUniversity of Edinburgh Edinburgh UK
2. National Museum of Scotland Edinburgh UK
3. Department of Biomedical Sciences Heritage College of Osteopathic MedicineOhio Center for Ecology and Evolutionary StudiesOhio University Athens Ohio USA
4. CONICET. División Paleontología VertebradosMuseo de La Plata, FCNyMUNLP La Plata Argentina
5. Department of Earth and Environmental Sciences University of Iowa Iowa City Iowa USA