1. 1Florida Department of Environmental Protection, 2600 Blair Stone Road, MS 235, Tallahassee, Florida 32399, USA
2. 2Paleontological Research Institution, 1259 Trumansburg Road, Ithaca, New York 14850, USA
3. 3Department of Earth and Atmospheric Sciences, Cornell University, Ithaca, New York 14853, USA
4. 4Australian Nuclear Science and Technology Organisation, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia
5. 5Simon Business School, University of Rochester, Rochester, New York 14627, USA
6. 6School of Earth and Sustainability, Northern Arizona University, Flagstaff, Arizona 86011, USA