1. Dinosaur Tracks Museum University of Colorado at Denver Denver CO 80217 USA
2. Department of Geology, Faculty of Science University of Zanjan Zanjan 38791‐45371 Iran
3. Tumbler Rudge Museum Tumbler Ridge British Columbia VOC 2W0 Canada
4. African Centre for Coastal Palaeoscience, Nelson Mandela University Gqeberha 6031 South Africa