Author Affiliations +
Nancy J. Stevens,1,* Patricia A. Holroyd,2 Eric M. Roberts,3 Patrick M. O'Connor,4 Michael D. Gottfried5
11Department of Biomedical Sciences, 228 Irvine Hall, College of Osteopathic Medicine, Ohio Universit
22Museum of Paleontology, 1101 Valley Life Sciences Building, University of California, Berkeley, Cal
33School of Geosciences, University of the Witwatersrand, South Africa, Eric.Roberts@wits.ac.za;
44Department of Biomedical Sciences, 228 Irvine Hall, College of Osteopathic Medicine, Ohio Universit
55Department of Geological Sciences and Museum, West Circle Drive, Michigan State University, East La
*Corresponding author.