1. Department of Geology and Geography, West Virginia University, Morgantown, West Virginia, USA
2. Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, New York, USA
3. Paleontological Research Institution, Ithaca, New York, USA
4. WSP USA, Buffalo, New York, USA
5. Laboratory Sciences Department, SUNY Jefferson Community College, Watertown, New York, USA