GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 305
Wednesday, 25 October 2017: 8:00 AM-12:00 PM
Room 608 (Washington State Convention Center)

T54. Impact of Extinction Events on the Ecological and Geochemical Functioning of Marine Ecosystems

Paleontological Society
William J. Foster, Peter J. Harries and Martin Aberhan, Advocates
8:00 AM
INTERPRETING LIFECYCLE BEHAVIOR OF EXTINCT BIVALVE SPECIES THROUGH STABLE AND CLUMPED ISOTOPIC VARIATIONS
OLIPHANT, Elizabeth1, PETERSEN, Sierra V.1, DUTTON, Andrea2 and LOHMANN, Kyger C.1, (1)Department of Earth and Environmental Sciences, University of Michigan, 2534 C.C. Little Building, 1100 N. University Ave, Ann Arbor, MI 48109, (2)Geological Sciences, University of Florida, PO Box 112120, Gainesville, FL 32611, lizoliph@umich.edu
8:15 AM
AN END-CRETACEOUS PALEOCOMMUNITY FOOD WEB FROM THE LOPEZ DE BERTODANO FORMATION, ANTARCTICA
WEIK, Allen S.1, ROOPNARINE, Peter D.2 and DINEEN, Ashley A.2, (1)Department of Invertebrate Zoology and Geology, California Academy of Sciences, 55 Music Concourse Dr, San Francisco, CA 94118, (2)Department of Invertebrate Zoology and Geology, California Academy of Sciences, San Francisco, CA 94118, aweik@calacademy.org
8:30 AM
SEQUENTIAL SHIFTS IN FISH COMMUNITY STRUCTURE AND ECOLOGICAL ROLE FOLLOWING THE K/PG MASS EXTINCTION
SIBERT, Elizabeth C., Earth and Planetary Sciences, Harvard University, 26 Oxford Street, Cambridge, MA 02138; Harvard Society of Fellows, Harvard University, 20 Oxford Street, Cambridge, MA 02138, esibert@fas.harvard.edu
8:45 AM
EFFECTS OF THE 20TH CENTURY HYPOXIC EVENTS ON MOLLUSCAN COMMUNITIES AND THEIR PRESERVATION POTENTIAL IN SEDIMENT CORES (ADRIATIC SEA)
TOMASOVYCH, Adam1, GALLMETZER, Ivo2, HASELMAIR, Alexandra2, KAUFMAN, Darrell S.3 and ZUSCHIN, Martin2, (1)Earth Science Institute, Slovak Academy of Sciences, Bratislava, 84005, Slovakia, (2)Department of Paleontology, University of Vienna, Althanstrasse 14, Vienna, A-1090, Austria, (3)School of Earth Sciences & Environmental Sustainability, Northern Arizona University, Flagstaff, AZ 86011-4099, geoltoma@savba.sk
9:00 AM
TURNOVER OF SHALLOW MARINE ECOSYSTEMS DURING THE PALEOCENE-EOCENE THERMAL MAXIMUM, SLOVENIA
WEISS, Anna M., Jackson School of Geosciences, The University of Texas at Austin, 2305 Speedway, Stop C1160, Austin, TX 78713, MARTINDALE, Rowan C., Jackson School of Geosciences, University of Texas at Austin, 2275 Speedway, Austin, TX 78712 and KOŠIR, Adrijan, Research Center of the Slovenian Academy of Arts and Sciences, Ivan Rakovec Institute of Palaeontology, Novi trg 2,, Ljubljana, SI-1000, Slovenia, anna.weiss@utexas.edu
9:15 AM
STRATIGRAPHIC ARTIFACTS IN EXTINCTION DYNAMICS: AN EMPIRICAL EVALUATION USING THE HOLOCENE FOSSIL RECORD
NAWROT, Rafal1, SCARPONI, Daniele2, AZZARONE, Michele2, AMOROSI, Alessandro2, WITTMER, Jacalyn M.3, DEXTER, Troy A.4, KUSNERIK, Kristopher M.1, PORTELL, Roger W.1 and KOWALEWSKI, Michal1, (1)Florida Museum of Natural History, University of Florida, 1659 Museum Rd, Gainesville, FL 32611, (2)Dipartimento di Scienze Biologiche, Geologiche e Ambientali, University of Bologna, Via Zamboni 67, Bologna, 40126, Italy, (3)Geology, University of Illinois at Urbana - Champaign, 605 E. Springfield St, Champaign, IL 61820, (4)Gerace Research Centre, University of The Bahamas, San Salvador, Bahamas, rnawrot@flmnh.ufl.edu
9:30 AM
A POST-EXTINCTION CACO3 SATURATION STATE CRISIS IN THE EARLIEST PALEOGENE (Invited Presentation)
PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063, BUSH, Andrew M., Ecology and Evolutionary Biology & Center for Integrative Geosciences, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, HIGGINS, John A., Department of Geosciences, Princeton University, Princeton, NJ 08544, LECKIE, R. Mark, Department of Geosciences, University of Massachusetts Amherst, 611 N. Pleasant St, 233 Morrill Science Center, Amherst, MA 01003 and DEEG, Claudia, Smith College, northampton, MA 01063, spruss@smith.edu
 
9:45 AM
Break
10:00 AM
HARNESSING THE STRATIGRAPHIC BIAS AT THE SECTION SCALE: CONODONT DIVERSITY IN THE HOMERIAN (SILURIAN) OF THE MIDLAND PLATFORM, ENGLAND
JAROCHOWSKA, Emilia1, RAY, David C.2, RÖSTEL, Philipp1, WORTON, Graham3 and MUNNECKE, Axel1, (1)GeoZentrum Nordbayern, Friedrich-Alexander-University Erlangen-Nuremberg, Loewenichstr. 28, Erlangen, 91054, Germany, (2)School of Geography, Earth & Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, United Kingdom, (3)Dudley Archives and Local History Centre, Tipton Rd, Dudley, DY1 4SQ, United Kingdom, Emilia.Jarochowska@fau.de
10:15 AM
ITERATIVE EVOLUTION OF FUSED DENTICLES (SPATULATE FORMS) AMONG OZARKODINID CONODONTS IN THE AFTERMATH OF SUCCESSIVE SILURIAN BIOGEOCHEMICAL EVENTS
CRAMER, Bradley D.1, BANCROFT, Alyssa M.2, MCADAMS, Neo E.B.1 and WAID, Christopher B.3, (1)Department of Earth and Environmental Sciences, University of Iowa, 115 Trowbridge Hall, Iowa City, IA 52242, (2)Indiana Geological and Water Survey, Bloomington, IN 47405, (3)Ohio Department of Natural Resources, Division of Geological Survey, 2045 Morse Rd., Building C, Columbus, OH 43229, bradley-cramer@uiowa.edu
10:30 AM
DECLINES IN THE BODY SIZE OF BENTHIC MACROINVERTEBRATES AS A HARBINGER OF THE EARLY TOARCIAN (EARLY JURASSIC) EXTINCTION EVENT IN THE LUSITANIAN BASIN, PORTUGAL
ABERHAN, Martin1, PIAZZA, Veronica1 and DUARTE, Luís V.2, (1)Museum für Naturkunde, Invalidenstr. 43, Berlin, 10115, Germany, (2)Departamento de Ciências da Terra and MARE, Faculdade de Ciências e Tecnologia, Universidade de Coimbra, Largo Marquês de Pombal, Coimbra, 3000-272, Portugal, martin.aberhan@mfn-berlin.de
10:45 AM
NEW RECORD OF BIOTIC RESPONSE AND OF AN UNUSUAL CARBONATE SYSTEM FOR THE END-TRIASSIC MASS EXTINCTION AT FERGUSON HILL, NEVADA
LARINA, Ekaterina1, BOTTJER, David J.2, CORSETTI, Frank A.2, BERELSON, William M.2, YAGER, Joyce2 and WEST, A. Joshua2, (1)Earth Sciences, University of Southern California, 3651 Trousdale Pkwy, Los Angeles, CA 90089, (2)Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, elarina@usc.edu
11:00 AM
IN WAKE OF END PERMIAN EXTINCTION, WIDESPREAD NUTRIENT CRISIS LEADS TO EARLY TRIASSIC PRODUCTIVITY COLLAPSE ACROSS NW PANGEA
GRASBY, Stephen E., Geological Survey of Canada, 3303 33 St NW, Calgary, AB T2L 2A7, Canada, KNIES, Jochen Manfred, Marine Geology, Geological Survey of Norway, Leiv Eirikssons vei 39, Trondheim, 7040, Norway, BEAUCHAMP, Benoit, Department of Geoscience, University of Calgary, ES118, 2500 University Drive Northwest, CALGARY, AB T2N 1N4, Canada, BOND, David P.G., School of Environmental Sciences, University of Hull, Hull, HU6 7RX, United Kingdom and WIGNALL, Paul, School of Earth Sciences, Univ of Leeds, Woodhouse Lane, Leeds, LS2 9JT, United Kingdom, steve.grasby@canada.ca
11:15 AM
THE ECOLOGICAL COMPOSITION OF MICROBIAL-METAZOAN REEF ECOSYSTEMS FOLLOWING THE LATEST PERMIAN MASS EXTINCTION
HEINDEL, Katrin, Department of Geodynamics and Sedimentology, University of Vienna, Althanstrasse 14, Vienna, 1090, Austria, FOSTER, William J., Jackson School of Geosciences, University of Texas at Austin, 2275 Speedway, Austin, TX 78712, RICHOZ, Sylvain, Institute of Earth Sciences, University of Graz, Heinrichstraße 26, Graz, 8010, Austria, BIRGEL, Daniel, Institute for Geology, University of Hamburg, Hamburg, 20148, Germany, BAUD, Aymon, BGC, Parc de la Rouvraie 28, Lausanne, CH-1018, Switzerland, BRANDNER, Rainer, Department of Geology and Palaeontology, University of Innsbruck, Innsbruck, 6020, Austria, KRYSTYN, Leopold, Institute of Palaeontology, University of Vienna, Althanstrasse 14, Vienna, 1090, Austria, MOHTAT, Tayebeh, Departement of Paleontology, Geological Survey of Iran, Azadi Sq, Meraj street, Tehran, Iran, KOŞUN, Erdal, Department of Geological Engineering, Akdeniz University, Antalya, Turkey, TWITCHETT, Richard J., Department of Earth Sciences, The Natural History Museum, Cromwell Rd., London, SW7 5BD, United Kingdom, REITNER, Joachim, Georg-August-Universität Göttingen, Department of Geobiology, Goldschmidtstr. 3, Göttingen, 37077, Germany and PECKMANN, Jörn, Institute of Geology, University of Hamburg, Hamburg, 20146, Germany, katrin.heindel@univie.ac.at
11:30 AM
DID OCEANIC ISLANDS ACT AS REFUGIA DURING THE END-PERMIAN EXTINCTION?
GODBOLD, Amanda Lynn, Geoscience, University of Southern California, 3709 Trousdale Pkwy., Los Angeles, CA MHP 106, SCHOEPFER, Shane D., Geosciences and Natural Resources, Western Carolina University, 331 Stillwell Building, Cullowhee, NC 28723, HENDERSON, Charles M., Geoscience, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada and ISOZAKI, Yukio, Department of General System Studies, University of Tokyo, 3-8-1 Komaba, Meguro-ku, Tokyo, Tokyo, 153-8902, Japan, agodbold@usc.edu
11:45 AM
MASS EXTINCTIONS AND GREATEST SPECIATIONS: THE EMERGENCE OF CALCAREOUS PHYTOPLANKTON IN THE EARLIEST MESOZOIC (Invited Presentation)
ERBA, Elisabetta, Dept. Earth Sciences, Università degli Studi di Milano, Via Mangiagalli 34, Milan, 20133, Italy, elisabetta.erba@unimi.it
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