RIOS, Nelson E., Tulane University Biodiversity Research Institute, 3705 Main St, Belle Chasse, LA 70037, nrios@tulane.edu

BEACH, James H., Biodiversity Institute, University of Kansas, 1345 Jayhawk Blvd, Lawrence, KS 66045, beach@ku.edu

BRENSKELLE, Laura, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78759, lbrensk@utexas.edu

MOLINEUX, Ann¹, STILSON, Kelsey², and GEIGERMAN, Faye M.¹, (1) Non-vertebrate Paleontology Laboratory, Jackson School of Geosciences, University of Texas at Austin, J.J.Pickle Research Campus, 10100 Burnet Road, Austin, TX 78758, annm@austin.utexas.edu, (2) Jackson School of Geosciences, University of Texas at Austin, Austin, TX 78705

MAYER, Paul S. and KARPUS, Nicole, Science and Education, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, IL 60605-2496, pmayer@fieldmuseum.org

COSTELLO, Bethany J., PRICE, Maribeth H., and ZALNERAITIS, Benjamin N., Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 East St. Joseph Street, Rapid City, SD 57701, bethany.costello@mines.sdsmt.edu

BENNETT, Matthew R. and MORSE, Sarita A., Faculty of Science and Technology, Bournemouth University, Talbot Campus, Fern Barrow, Poole, BH12 5BB, mbennett@bournemouth.ac.uk

PETRUNY, Loren¹, LITTLE, Holly¹, WHITTAKER, Scott², and HUBER, Brian T.¹, (1) Department of Paleobiology, Smithsonian Institution, 10th & Constitution Ave., NW, Washington, DC 20013, PetrunyL@si.edu, (2) Imaging, Smithsonian Institution, National Museum of Natural History, 10th & Constitution Ave., NW, Washington, DC 20013-7012

WOODWARD, Brett and COMPTON, Brian, Natural History Museum, East Tennessee State University, 807 University Parkway, Johnson City, TN 37615, woodward@etsu.edu

KARIM, Talia S., University of Colorado Museum of Natural History, University of Colorado, 265 UCB, University of Colorado, Boulder, CO 80309, talia.karim@colorado.edu, WALKER, Lindsay J., Museum and Field Studies, University of Colorado, 265 UCB, Boulder, CO 80309-0265, and LEVY, Richard A., Denver Botanic Gardens, 909 York Street, Denver, CO 80206

HOLLIS, Kathy, Department of Paleobiology, Smithsonian Institution, National Museum of Natural History, P.O. Box 37012 MRC 121, Washington, DC 20013, hollisk@si.edu

DEMOUTHE, Jean F., California Academy of Sciences, 55 Music Concourse Drive, Golden Gate Park, San Francisco, CA 94118, jdemouthe@calacademy.org and MANSFIELD, Sara, 55 Music Concourse Drive, Golden Gate Park, San Francisco, CA 94118

MAST, Austin R. and ELLWOOD, Libby, Department of Biological Science, Florida State University, 319 Stadium Drive, Tallahassee, FL 32306, eellwood@bio.fsu.edu

BRIGGS, Derek E.G.¹, BUTTS, Susan H.¹, KISSEL, Richard A.¹, NORRIS, Christopher¹, SMITH, Dena M.², and KARIM, Talia S.³, (1) Peabody Museum of Natural History, Yale University, 170 Whitney Avenue, New Haven, CT 06520-8118, susan.butts@yale.edu, (2) STEPPE- Geological Society of America, 3300 Penrose Place, Boulder, CO 80301, (3) University of Colorado Museum of Natural History, University of Colorado, 265 UCB, University of Colorado, Boulder, CO 80309

PAGNAC, Darrin, Museum of Geology, South Dakota School of Mines and Technology, 501 E Saint Joseph Street, Rapid City, SD 57701, darrin.pagnac@sdsmt.edu, ANDERSON, Laurie C., Geology and Geological Engineering, South Dakota School of Mines & Technology, 501 East St. Joseph St, Rapid City, SD 57702, PRICE, Maribeth H., Geology and Geological Engineering, South Dakota School Mines and Technology, 501 East St. Joseph Street, Rapid City, SD 57701, SHELTON, Sally, Museum of Geology and Department of Geology and Geological Engineering, South Dakota School of Mines and Techonology, 501 East St. Joseph St, Rapid City, SD 57701, and BELANGER, Christina, Geology and Geological Engineering, South Dakota School Mines and Technology, 501 E. St. Joseph Street, Rapid City, SD 57701