GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 137
Monday, 26 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 3C (Colorado Convention Center)

T142. Past and Present Global Biotic Crises: From Microbes to Megafauna

Paleontological Society; Palaeontological Association; STEPPE
Elsbeth E. van Soelen, Richard J. Twitchett and Wolfram Michael Kürschner, Advocates
 
1:30 PM
Introductory Remarks
1:35 PM
EXTINCTION INTENSITY, SELECTIVITY, AND THEIR COMBINED MACROEVOLUTIONARY INFLUENCE IN THE FOSSIL RECORD
PAYNE, Jonathan L., Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Bldg. 320, Stanford, CA 94305, BUSH, Andrew M., Ecology and Evolutionary Biology & Center for Integrative Geosciences, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, CHANG, Ellen T., Division of Epidemiology, Stanford University School of Medicine, Stanford, CA 94305, HEIM, Noel A., Department of Geological Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305, KNOPE, Matthew L., Biology Department, University of Hawaii at Hilo, Hilo, HI 96720 and PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063, jlpayne@stanford.edu
1:50 PM
INTRINSIC AND EXTRINSIC ECOLOGICAL DETERMINANTS OF EXTINCTION AT THE END-TRIASSIC MASS EXTINCTION
DUNHILL, Alexander M., Leeds, LS2 9JT, United Kingdom, FOSTER, William J., Jackson School of Geosciences, The University of Texas at Austin, 2275 Speedway, Austin, TX 78712, SCIBERRAS, James, Department of Biology & Biochemistry, University of Bath, Claverton Down, Bath, BA2 7AY, United Kingdom and TWITCHETT, Richard J., Department of Earth Sciences, The Natural History Museum, Cromwell Rd., London, SW7 5BD, United Kingdom, a.dunhill@leeds.ac.uk
2:05 PM
FALSIFICATION OF HYPOTHESES OF A MAJOR HIATUS IN THE NEWARK SUPERGROUP RHAETIAN (LATE TRIASSIC, US AND CA) BASED ON DATA FROM THE BRISTOL CHANNEL (UK) AND NORTH GERMANIC BASINS (DE)
OLSEN, Paul E., Department of Earth and Environmental Sciences, Lamont-Doherty Earth Observatory of Columbia University, 61 Route 9W, Palisades, NY 10964-1000 and KENT, Dennis, Earth and Planetary Sciences, Rutgers University, Wright-Rieman Labs, 610 Taylor Road, Piscataway, NJ 08854, polsen@ldeo.columbia.edu
2:20 PM
THE REFUGIA CONCEPT FOLLOWING THE END-PERMIAN MASS EXTINCTION
GODBOLD, Amanda Lynn, HENDERSON, Charles M. and SCHOEPFER, Shane D., Department of Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada, algodbol@ucalgary.ca
2:35 PM
END PERMIAN SALINITY AND OXYGENATION CHANGES IN A SHALLOW MARINE BASIN IN EAST GREENLAND
VAN SOELEN, Elsbeth E.1, TWITCHETT, Richard J.2 and KUERSCHNER, Wolfram M.1, (1)Department of Geosciences, University of Oslo, p.o box 1047, Oslo, 0316, Norway, (2)Department of Earth Sciences, The Natural History Museum, Cromwell Rd., London, SW7 5BD, United Kingdom, w.m.kuerschner@geo.uio.no
2:50 PM
ORGANIC-WALLED MICROFOSSIL ASSEMBLAGE VARIATION THROUGH THE LATE DEVONIAN KELLWASSER EVENTS IN NEW YORK STATE
COHEN, Phoebe and KELLY, Abigail, Geosciences, Williams College, 203 Clark Hall, Williamstown, MA 01267, abbkell@gmail.com
 
3:05 PM
Break
3:20 PM
COLORADO MASS EXTINCTION: WEIRD FACIES AND COOL FOSSILS FROM THE END-DEVONIAN DYER FORMATION (Invited Presentation)
HAGADORN, James W.1, BULLECKS, James1, SOAR, Linda K.1, LAHEY, Bonita L.1, OVER, D. Jeffrey2, WISTORT, Zackery P.3 and HOLM-DENOMA, Christopher S.4, (1)Department of Earth Sciences, Denver Museum of Nature & Science, 2001 Colorado Blvd, Denver, CO 80205, (2)Geological Sciences, S.U.N.Y. Geneseo, 1 College Circle, Geneseo, NY 14454, (3)Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112, (4)U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225, jwhagadorn@dmns.org
3:40 PM
MORPHOMETRY IN EARLY JUVENILE AMMONOIDS, ENABLED BY GRINDING TOMOGRAPHY: A KEY TO THE PATTERNS OBSERVED IN THEIR EXTINCTION AT THE K/PG BOUNDARY?
IFRIM, Christina, Institut für Geowissenschaften, Ruprecht-Karls-Universität Heidelberg, Im Neuenheimer Feld 234, Heidelberg, 69120, Germany, christina.ifrim@geow.uni-heidelberg.de
3:55 PM
CONTROLS ON MARINE INVERTEBRATE BODY SIZE CHANGES DURING THE EARLY TOARCIAN WARMING-RELATED EXTINCTION EVENT
TWITCHETT, Richard J., Department of Earth Sciences, The Natural History Museum, Cromwell Rd., London, SW7 5BD, United Kingdom, ALLEN, Bethany J., Earth Sciences, Durham University, Durham, DH1 3LE, United Kingdom, TILLEY, Hannah B., Department of Earth Sciences, The Natural History Museum, Cromwell Rd., London, SW7 5BD, United Kingdom; Division of Biosciences, University College London, Gower St., London, WC1E 6BT, United Kingdom, CLÉMENCE, Marie-Émilie, Faculty of Geo- and Atmospheric Sciences, University of Innsbruck, Innsbruck, 6020, Austria and DANISE, Silvia, Department of Geology, University of Georgia, 210 Field Street, Athens, GA 30602-2501; School of Geography, Earth and Environmental Sciences, Plymouth University, Drake Circus, Plymouth, PL4 8AA, United Kingdom, r.twitchett@nhm.ac.uk
4:10 PM
ANTHROPOCENE TRIPLE STRESS: IMPACT OF EXPERIMENTALLY INDUCED OCEAN ACIDIFICATION, DEOXYGENATION, AND WARMING ON BENTHIC FORAMINIFERAL COMMUNITY COMPOSITION AND GROWTH
BERNHARD, Joan M., WIT, Jos C. and MCCORKLE, Daniel C., Department of Geology & Geophysics, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, jbernhard@whoi.edu
4:25 PM
RESTORATION OF BENTHIC MARINE ECOSYSTEMS DURING THE EARLY AND MIDDLE TRIASSIC IN WESTERN PALEOTETHYAN RAMP SETTINGS
FOSTER, William J., Jackson School of Geosciences, University of Texas at Austin, 2275 Speedway, Austin, TX 78712 and SEBE, Krisztina, Department of Geology and Meteorology, University of Pécs, Ifjúság ú. 6, Pécs, 7634, Hungary, w.j.foster@gmx.co.uk
4:40 PM
REGIONAL RESPONSE OF MARINE BIODIVERSITY TO CLIMATE-DRIVEN SEA-LEVEL CHANGES: AN EXAMPLE FROM THE ADRIATIC SEA
KOWALEWSKI, Michal1, KUSNERIK, Kristopher M.2, SCARPONI, Daniele3, TRINCARDI, Fabio4, AZZARONE, Michele3 and PELLEGRINI, Claudio4, (1)Florida Museum of Natural History, University of Florida, Gainesville, FL 32611, (2)Florida Museum of Natural History, University of Florida, 1659 Museum Road, PO Box 117800, Gainesville, FL 32611, (3)Dipartimento di Scienze Biologiche, Geologiche e Ambientali, University of Bologna, via Selmi 3, Bologna, I-40126, Italy, (4)ISMAR-CNR, Bologna, 40129, Italy, kowalewski@ufl.edu
4:55 PM
LONG-TERM RESILIENCE OF MOLLUSK COMMUNITIES TO NATURAL CLIMATE CHANGES: A CASE EXAMPLE FROM THE ADRIATIC SEA
SCARPONI, Daniele1, KOWALEWSKI, Michał2, AZZARONE, Michele1, KUSNERIK, Kristopher M.2, PELLEGRINI, Claudio3, GAMBERI, Fabiano3, TRINCARDI, Fabio3 and DREXLER, Tina4, (1)Dipartimento di Scienze Biologiche, Geologiche e Ambientali, University of Bologna, via Selmi 3, Bologna, I-40126, Italy, (2)Florida Museum of Natural History, University of Florida, 1659 Museum Road, PO Box 117800, Gainesville, FL 32611, (3)ISMAR-CNR, Bologna, 40129, Italy, (4)ExxonMobil Upstream Research Company, Houston Campus 22777 Springwoods Village Pkwy,, Spring, TX TX 77389, daniele.scarponi@unibo.it
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