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GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 118
Monday, 26 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 4C (Colorado Convention Center)

Paleontology 1: Diversity, Extinction, and Origination

Andrew M. Bush and Ryan O. Roney, Chairs
118-1
1:30 PM
EVIDENCE OF SEXUAL CONJUGATION AND CROWN-GROUP STATUS IN EARLY PROTEROZOIC EUKARYOTES
ADAM, Z.R., Earth and Planetary Sciences, Harvard University, 26 Oxford Street, Room 51, Cambridge, MA 02138; Earth Sciences, Montana State University, Traphagen Hall, Bozeman, MT 59717 and BUTTERFIELD, Nicholas J., Department of Earth Sciences, University of Cambridge, Downing Street, Cambridgeshire, Cambridge, CB2 3EQ, United Kingdom, zadam@g.harvard.edu
118-2
1:45 PM
CROWN-GROUP RHODOPHYTES IN THE LATE PALAEOPROTEROZOIC (CA. 1.6 GA)
BENGTSON, Stefan, SALLSTEDT, Therese and BELIVANOVA, Veneta, Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, Stockholm, SE-104 05, Sweden, stefan.bengtson@nrm.se
118-3
2:00 PM
WALCOTT’S SOUTHERN APPALACHIAN TRILOBITE LOCALITIES REDISCOVERED – LOWER CAMBRIAN, UPPER CHILHOWEE GROUP, “NEVADELLA” ZONE
HAGEMAN, Steven J., Department of Geology, Appalachian State Univ, Boone, NC 28608, hagemansj@appstate.edu
118-4
2:15 PM
NEW FLATTENED, ASYMMETRICAL, RHIPIDOCYSTID ECHINODERM FROM THE BROMIDE FORMATION (SANDBIAN) OF SOUTHERN OKLAHOMA, AND A REVISED CLASSIFICATION OF EOCRINOIDS, RHIPIDOCYSTIDS, AND PARACRINOIDS
SPRINKLE, James, Department of Geological Sciences, Jackson School of Geosciences, University of Texas, 1 University Station C1100, Austin, TX 78712-0254 and RUSHLAU, William, 2709 North 382, Wetumka, OK 74883, echino@jsg.utexas.edu
118-5
2:30 PM
REASSESSMENT OF THE DEVONIAN PROBLEMATICUM PROTONYMPHA AS ANOTHER POST-EDIACARAN VENDOBIONT
RETALLACK, Gregory J., Department of Geological Sciences, University of Oregon, Eugene, OR 97403, gregr@uoregon.edu
 
2:45 PM
Break
118-6
3:00 PM
SEX AND SHIFTING BIODIVERSITY DYNAMICS DURING THE MESOZOIC MARINE REVOLUTION
BUSH, Andrew M., Ecology and Evolutionary Biology & Center for Integrative Geosciences, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, HUNT, Gene, Department of Paleobiology, Smithsonian Institution, National Museum of Natural History, NHB MRC 121, P.O. Box 37012, Washington, DC 20013-7012 and BAMBACH, Richard K., Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, MRC-121, P. O. Box 37012, Washington, DC 20013-7012, andrew.bush@uconn.edu
118-7
3:15 PM
PHYSA POPULATION AT UKALA, MADHYA PRADESH INDIA- AN EXAMPLE OF ECOPHENOTYPIC VARIATION
PAUL, Sharmistha, DAS, Krishnendu and GANGOPADHYAY Sr., Tapas Kumar, Department of Earth Sciences, Indian Institute of Engineering Science and Technology, Shibpur, Howrah, Howrah, 711103, India, sharmisthapaul249@gmail.com
118-8
3:30 PM
HYPOTHETICAL DIVERGENT EVOLUTION OF TWO APEX PREDATORS FROM THE HELL CREEK FORMATION: NANOTYRANNUS LANCENSIS AND TYRANNOSAURUS REX
DEAK, Michael D., Geology, Mercyhurst University, 501 East 38th St., Erie, PA 16504 and MCKENZIE, Scott C., Geology, Mercyhurst University, 501 East 38th St., Erie, PA 16546, mdeak49@lakers.mercyhurst.edu
Handouts
  • Hypothetical Divergent Evolution of Two Apex Predators of (1).pptx (4.7 MB)
    • 118-9
    3:45 PM
    THUNDER LIZARD SONG AND DANCE: SKULLS FROM BRONTOSAURUS AND APATOSAURUS SHOW MARKED DIVERGENCE IN VOCALIZATION AND UPRIGHT COMBAT
    BAKKER, Robert T., Department of Paleontology, Houston Museum of Natural Science, 5555 Hermann Park Drive, Houston, TX 77030-1799 and MOSSBRUCKER, Matthew T., Morrison Natural History Museum, 501 Colorado Highway 8, Post Office Box 564, Morrison, CO 80465, zorilla47@aol.com
    118-10
    4:00 PM
    ASSESSING MONOPHYLY OF THE SPATANGOID ECHINOID GENUS MECASTER WITH IMPLICATIONS ON DIVERSITY AND EXTINCTION PATTERNS IN THE LATE CRETACEOUS
    RONEY, Ryan O. and SUMRALL, Colin D., Department of Earth and Planetary Sciences, University of Tennessee, 306 EPS, 1412 Circle Dr., Knoxville, TN 37996-1410, rroney1@vols.utk.edu
    118-11
    4:15 PM
    “O SOLEMYA…” LIGAMENTAL PLESIOMORPHY AND APOMORPHY IN THE ACHARAX-SOLEMYA CLADE (BIVALVIA: SOLEMYIDAE)
    BAILEY, Jack Bowman, Department of Geology, Western Illinois University, 1 University Circle, Macomb, IL 61455, JB-Bailey@wiu.edu
    118-12
    4:30 PM
    Withdrawn
    118-13
    4:45 PM
    RANGE AND CHANGE: THE ROLE OF CHANGING OCCUPANCY IN PREDICTING EXTINCTION RISK
    KIESSLING, Wolfgang and KOCSIS, Tibor Ádám, GeoZentrum Nordbayern, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loewenichstraße 28, Erlangen, 91054, Germany, wolfgang.kiessling@fau.de
    118-14
    5:00 PM
    TERRESTRIAL EFFECTS OF NEARBY SUPERNOVAE IN THE EARLY PLEISTOCENE
    THOMAS, Brian C., Physics and Astronomy, Washburn University, 1700 SW College Ave, Topeka, KS 66621, brian.thomas@washburn.edu
    Handouts
  • PleistoceneSN_GSA-Sept2016_upload.pptx (9.5 MB)
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