KOWALEWSKI, Michal, Florida Museum of Natural History, University of Florida, 1659 Museum Road, PO Box 117800, Gainesville, FL 32611, DEXTER, Troy A., Department of Geosciences, University of Arizona, Tucson, AZ 85716, KAUFMAN, Darrell S., School of Earth & Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-4099, KRAUSE Jr, Richard A., Department of Geology & Geophysics, Yale University, New Haven, CT 06520, BARBOUR WOOD, Susan L., Geosciences and Natural Resources, Western Carolina University, 331 Stillwell Building, Cullowhee, NC 28723, SIMOES, Marcello G., Department of Zoology, Sao Paulo State University, Institute of Biosciences, District of Rubiao Junior, s/n, Botucatu, 18618000, Brazil, HUNTLEY, John W., GeoZentrum Nordbayern Fachgruppe Paläoumwelt, Friedrich-Alexander-Universität, Loewenichstr. 28, Erlangen, 91054, Germany, YANES, Yurena, Instituto Andaluz de Ciencias de la Tierra, Universidad de Granada, Profesor Albareda, 1, Granada, 18008, Spain and ROMANEK, Chris S., Department of Earth and Environmental Sciences, University of Kentucky, 101 Slone Research Building, Lexington, KY 40506, kowalewski@ufl.edu, kowalewski@ufl.edu