SMITH, Felisa A.¹, LYONS, S. Kathleen², STAFFORD, Thomas W. Jr³, and NEWSOME, Seth¹, (1) Biology, University of New Mexico, MSC 03-2020, 1 University of New Mexico, Albuquerque, NM 87131, fasmith@unm.edu, (2) Department of Paleobiology, Smithsonian Institution, National Museum of Natural History, NHB MRC 121, P.O. Box 37012, Washington, DC 20013-7012, (3) AMS 14C Dating Centre and Department of Physics & Astronomy, University of Aarhus, Aarhus, Ny Munkegad, Denmark

BALK, Meghan¹, SMITH, Felisa A.¹, JACKSON, Stephen T.², and BETANCOURT, Julio L.³, (1) Biology, University of New Mexico, MSC 03-2020, 1 University of New Mexico, Albuquerque, NM 87131, meghan.balk@gmail.com, (2) Department of Botany - Box 3165, Univ of Wyoming, Laramie, WY 82071-3165, (3) Branch of Regional Research, ER, Water, U.S. Geological Survey, 12201 Sunrise Valley Dr, Reston, VA 20192

LIGHTNER, Erik, Geology and Geophysics, University of Wyoming, 1000 University Ave, University of Wyoming, Dept. 3006, Laramie, WY 82071, elightn1@uwyo.edu, CLEMENTZ, Mark T., Geology and Geophysics, University of Wyoming, 1000 University Ave. University of Wyoming, Dept. 3006, Laramie, WY 82071, MINCKLEY, Thomas, Geography, University of Wyoming, Laramie, WY 82071, and FOX-DOBBS, Kena, Department of Geology, University of Puget Sound, 1500 N. Warner St, Tacoma, WA 98416-1048

MILLER, Joshua H., Department of Geology, University of Cincinnati, Cincinnati, OH 45221, josh.miller@uc.edu and CROWLEY, Brooke, Geology and Anthropology, University of Cincinnati, 500 Geology-Physics Building, 345 Clifton Court, Cincinnati, OH 45221

PIGATI, Jeffrey S., U.S. Geological Survey, Denver Federal Center, Box 25046, MS-980, Denver, CO 80227, jpigati@usgs.gov, MILLER, Ian, Department of Earth Sciences, Denver Museum of Nature & Science, 2001 Colorado Blvd, Denver, CO 80205, ANDERSON, R. Scott, Environmental Programs, School of Earth Sciences & Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011, JOHNSON, Kirk, Denver Museum of Nature & Science, 2001 Colorado Blvd, Denver, CO 80205, and MAHAN, Shannon A., U.S. Geological Survey, Box 25046, MS 974, Denver Federal Center, Denver, CO 80225

THEODOR, Jessica M., Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4 Canada, jtheodor@ucalgary.ca

MORENO, F., Earth & Environmental Sciences, University of Rochester, 227 Hutchison Hall, University of Rochester, Rochester, NY 14627, federicomrn@gmail.com, HENDY, Austin J.W., Florida Museum of Natural History, P.O. Box 117800, University of Florida, Gainesville, FL 32611, HOYOS, Natalia, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, 0843-03092, Panama, and JARAMILLO, Carlos, Smithsonian Tropical Research Institute, Unit 0948, APO AA 34002, Balboa, Ancon, 0843-03092, Panama

YOUNG, Robert R., Earth and Environmental Sciences, University of British Columbia Okanagan, 3333 University Way, Kelowna, BC V1V 1V7, Canada, Robert.Young@ubc.ca and BURNS, James A., Emeritus, Quaternary Paleontology, Royal Alberta Museum, 12845 102 Ave NW, Edmonton, AB T5N 0M6, Canada

BROWNE, Ian D., Department of Anatomy and Cell Biology, Oklahoma State University, Center for Health Sciences, 1111 W. 17th Street, Tulsa, OK 74107, ian.browne@okstate.edu

RANKIN, Brian D.¹, FOX, Jeremy E.¹, BARRÓN-ORTIZ, Christian R.¹, CHEW, Amy E.², HOLROYD, Patricia A.³, LUDTKE, Joshua A.¹, YANG, Xingkai¹, and THEODOR, Jessica M.¹, (1) Department of Biological Sciences, University of Calgary, 2500 University Dr. NW, Calgary, AB T2N 1N4, bdrankin@ucalgary.ca, (2) Department of Anatomy, Western University of Health Sciences, 309 E. Second Street, Pomona, CA 91766, (3) Museum of Paleontology, University of California, Berkeley, CA 94720

CHRISTENSEN, Hilary B., Geology, Bates College, 2 Andrews Rd, Lewiston, ME 04240, beth.hilary@gmail.com

CHEW, Amy E., Department of Anatomy, Western University of Health Sciences, 309 E. Second Street, Pomona, CA 91766, achew@westernu.edu

DUTCHAK, Alex R., Geoscience, University of Calgary, ES 118, 25 University Drive Northwest, Calgary, AB T2N 1N4 Canada, alexander.dutchak@ucalgary.ca

BURGER, Benjamin John, Geology, Utah State University- Uintah Basin Regional Campus, Vernal, 320 North Aggie Blvd, Vernal, UT 84078, benjamin.burger@usu.edu

BAMFORTH, Emily L.¹, LARSSON, Hans C.E.², and FENDLEY, Isabel², (1) Royal Saskatchewan Museum, RSM Fossil Research Station, Po Box 460, Eastend, SK S0N 0T0, Canada, emily.bamforth@gov.sk.ca, (2) Redpath Museum, McGill University, 859 Sherbrooke St. W, Montreal, QC H3A 0C4, Canada