1. Department of Earth Sciences, Denver Museum of Nature & Science, Denver, Colorado 80205, U.S.A.,
2. Department of Anatomical Sciences, Stony Brook University, Stony Brook, New York 11794-8081, U.S.A.
3. Department of Anatomy, New York Institute of Technology, College of Osteopathic Medicine, Old Westbury, New York 11568, U.S.A.,
4. Department of Biomedical Sciences, Ohio University Heritage College of Osteopathic Medicine, Ohio University, Athens, Ohio 45701, U.S.A.,
5. Institut für Geowissenschaften, Universität Bonn, D-53115 Bonn, Germany,
6. School of Biological Sciences, Monash University, Clayton, Victoria 3800, Australia,
7. Sciences Department, Museums Victoria, Melbourne, Victoria 3001, Australia
8. Department of Anatomical Sciences and Neurobiology, University of Louisville, Louisville, Kentucky 40202, U.S.A.,