COHEN, Phoebe, Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267, Phoebe.A.Cohen@williams.edu, MATYS, Emily, Department of Earth, Atmospheric, and Planetary Sciences, MIT, Cambridge, MA 01239, PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063, MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, and BOSAK, Tanja, Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139

LIPPS, Jere H., John D. Cooper Archaeological and Paleontological Center, California State University, Fullerton, Fullerton, CA 92831, jlipps@fullerton.edu

MACDONALD, Francis A.¹, STRAUSS, Justin V.², SPERLING, Erik A.³, JOHNSTON, David T.², HALVERSON, Galen P.⁴, and NARBONNE, Guy M.⁵, (1) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, fmacdon@fas.harvard.edu, (2) Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, (3) Dept. of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, (4) Earth and Planetary Science, McGill University, 3450 University Street, Montreal, QC H3A 2A7, Canada, (5) Geological Sciences & Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada

SPERLING, Erik A., Dept. of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, erik.sperling@fas.harvard.edu, KNOLL, Andrew H., Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138, and JOHNSTON, David T., Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138

MCKENZIE, N. Ryan, Earth Sciences, University of California, Riverside, Riverside, CA 92521, neil.mckenzie@email.ucr.edu, HUGHES, Nigel C., Department of Earth Sciences, University of California, Riverside, CA 92521, GILL, Benjamin C., Department of Geosciences, Virginia Polytechnic Institute & University, Blacksburg, VA 24061, CAWOOD, Peter A., Earth Sciences, University of St Andrews, St Andrews, KY16 9AL, United Kingdom, and MYROW, Paul M., Department of Geology, Colorado College, Colorado Springs, CO 80903

RETALLACK, Gregory J., Department of Geological Sciences, University of Oregon, Eugene, OR 97403, gregr@uoregon.edu

SCHIFFBAUER, James D., Geological Sciences, University of Missouri, 101 Geology Building, Columbia, MO 65211, schiffbauerj@missouri.edu, XIAO, Shuhai, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, MEYER, Michael, Department of Geology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, CAI, Yaoping, Department of Geology, Northwest University, Xi’an, 710069, China, HUA, Hong, Northwest University Xi'an, Department of Geology, Xi'an 710069, China, Xi'an, 710069, China, ANDERSON, Evan P., Department of Geological Sciences, University of Colorado, Boulder, CO 80309, LAFLAMME, Marc, Department of Paleobiology, Smithsonian Museum of Natural History, 10th & Constitution, NW Washington, DC, DC 20560-0121, DARROCH, Simon A.F., Geology and Geophysics, Yale University, PO Box 208109, New Haven, CT 06520-8109, BRIGGS, Derek E.G., Dept. of Geology and Geophysics & Peabody Museum of Natural History, Yale University, 210 Whitney Avenue, P.O. Box 208109, New Haven, CT 06520, and NARBONNE, Guy M., Geological Sciences & Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada

XIAO, Shuhai, Department of Geosciences, Virginia Tech, Blacksburg, VA 24061, xiao@vt.edu, SCHIFFBAUER, James D., Geological Sciences, University of Missouri, 101 Geology Building, Columbia, MO 65211, CAI, Yaoping, Department of Geology, Northwest University, Xi’an, 710069, China, HUA, Hong, Northwest University Xi'an, Department of Geology, Xi'an 710069, China, Xi'an, 710069, China, HUNTER, Jerry, Nanoscale Characterization and Fabrication Laboratory, Virginia Tech, ICTAS, 1991 Kraft Drive, Blacksburg, VA 24061, XU, Huifang, Department of Geoscience, University of Wisconsin, 1215 W Dayton St, Madison, WI 53706, PENG, Yongbo, Geology, University of Maryland, College Park, MD 20742, and KAUFMAN, Alan J., Geology Department, University of Maryland, College Park, MD 20742

HUNTLEY, John Warren, Geology Department, St. Lawrence University, 23 Romoda Drive, Canton, NY 13617, jhuntley@stlawu.edu and SCHIFFBAUER, James D., Geological Sciences, University of Missouri, 101 Geology Building, Columbia, MO 65211

TWEEDT, Sarah, Dept. of Paleobiology, Smithsonian Institution; University of Maryland, College Park, Washington, DC 20013-7012, tweedts@si.edu and LAFLAMME, Marc, Department of Paleobiology, Smithsonian Museum of Natural History, 10th & Constitution, NW Washington, DC, DC 20560-0121

DARROCH, Simon A.F., Geology and Geophysics, Yale University, PO Box 208109, New Haven, CT 06520-8109, simon.darroch@yale.edu, LAFLAMME, Marc, Department of Paleobiology, Smithsonian Museum of Natural History, 10th & Constitution, NW Washington, DC, DC 20560-0121, and CLAPHAM, Matthew E., Dept of Earth Science, Univ. of Calif. Santa Cruz, 1156 High St, Santa Cruz, CA 95064-1077

GILL, Benjamin C., Department of Geosciences, Virginia Polytechnic Institute & University, Blacksburg, VA 24061, bcgill@vt.edu, LYONS, Timothy W., Department of Earth Sciences, University of California, Riverside, CA 92521, JOHNSTON, David T., Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, SALTZMAN, Matthew R., School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210, and KNOLL, Andrew H., Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138