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

COHEN, Phoebe, Geosciences, Williams College, 947 Main Street, Williamstown, MA 01267, 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, Phoebe.A.Cohen@williams.edu, Phoebe.A.Cohen@williams.edu

SPERLING, Erik A., Dept. of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, 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, erik.sperling@fas.harvard.edu, erik.sperling@fas.harvard.edu

MCKENZIE, N. Ryan, Geological Sciences, University of Texas at Austin, Austin, TX 78752, HUGHES, Nigel C., Department of Earth Sciences, University of California, Riverside, CA 92521, GILL, Benjamin C., Department of Geosciences, Virginia Polytechnic Institute & State 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, rmckenzie@jsg.utexas.edu, rmckenzie@jsg.utexas.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, (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 Sciences, McGill University, 3450 University St, Montreal, QC H3A0E8, Canada, (5)Geological Sciences & Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, fmacdon@fas.harvard.edu, fmacdon@fas.harvard.edu

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

SCHIFFBAUER, James D., Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, XIAO, Shuhai, Department of Geosciences, Virginia Polytechnic Institute and State University, 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, schiffbauerj@missouri.edu, schiffbauerj@missouri.edu

XIAO, Shuhai, Department of Geosciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, SCHIFFBAUER, James D., Geological Sciences, University of Missouri, 101 Geological Sciences 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-Madison, 1215 W. Dayton street, Madison, WI 53706, PENG, Yongbo, Department of Geology & Geophysics, Louisiana State University, Baton Rouge, LA 70803 and KAUFMAN, Alan J., Geology Department, University of Maryland, College Park, MD 20742, xiao@vt.edu, xiao@vt.edu

HUNTLEY, John Warren and SCHIFFBAUER, James D., Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, huntleyj@missouri.edu, huntleyj@missouri.edu

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

DARROCH, Simon A.F., Geology and Geophysics, Yale University, PO Box 208109, New Haven, CT 06520-8109, 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, simon.darroch@yale.edu, simon.darroch@yale.edu

GILL, Benjamin C., Department of Geosciences, Virginia Polytechnic Institute & State University, Blacksburg, VA 24061, 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, bcgill@vt.edu, bcgill@vt.edu