1. Department of Anatomy, Midwestern University, 555 31st Street, Downers Grove, Illinois 60515, U.S.A.,
2. Section of Vertebrate Paleontology, Carnegie Museum of Natural History, 4400 Forbes Avenue, Pittsburgh, Pennsylvania 15213, U.S.A.,
3. Museum für Naturkunde, Leibniz-Institut für Evolutions-und Biodiversitätsforschung, Invalidenstraße 43, 10115 Berlin, Germany
4. Department of Geology, Faculty of Science, Benha University, Benha, Egypt
5. Mansoura University Vertebrate Paleontology Center, Department of Geology, Faculty of Science, Mansoura University, Mansoura, Egypt
6. Department of Biological Sciences, Ohio University, 228 Irvine Hall, Athens, Ohio 45701, U.S.A.
7. Ohio Center for Ecological and Evolutionary Studies, Ohio University, Athens, Ohio 45701, U.S.A.
8. Institute of Global Health and Human Ecology, School of Sciences and Engineering, American University in Cairo, New Cairo, Egypt
9. Bundesanstalt für Geowissenschaften und Rohstoffe, Geozentrum Hannover, Stilleweg 2, 30655 Hannover, Germany