1. School of GeoSciences, Grant Institute, James Hutton Road, The King’s Buildings, University of Edinburgh, Edinburgh, EH9 3FE, U.K.,
2. CONICET. División Paleontología Vertebrados, Museo de La Plata, FCNyM, UNLP, La Plata, Argentina
3. Department of Biomedical Sciences, Heritage College of Osteopathic Medicine, Ohio University, Athens, Ohio 45701, U.S.A.
4. National Museum of Scotland, Chambers Street, Edinburgh, EH 1 1JF, U.K.
5. µ-VIS X-ray Imaging Centre, Faculty of Engineering and Physical Sciences, University of Southampton, SO17 1BJ, Southampton, U.K.