GSA Annual Meeting in Denver, Colorado, USA - 2016

Paleontology 1: Diversity, Extinction, and Origination

Session No. 118
Monday, 26 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 4C (Colorado Convention Center)
EVIDENCE OF SEXUAL CONJUGATION AND CROWN-GROUP STATUS IN EARLY PROTEROZOIC EUKARYOTES
Abstract ID#: 287359
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
CROWN-GROUP RHODOPHYTES IN THE LATE PALAEOPROTEROZOIC (CA. 1.6 GA)
Abstract ID#: 282361
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
WALCOTT’S SOUTHERN APPALACHIAN TRILOBITE LOCALITIES REDISCOVERED – LOWER CAMBRIAN, UPPER CHILHOWEE GROUP, “NEVADELLA” ZONE
Abstract ID#: 280562
HAGEMAN, Steven J., Department of Geology, Appalachian State Univ, Boone, NC 28608, hagemansj@appstate.edu
NEW FLATTENED, ASYMMETRICAL, RHIPIDOCYSTID ECHINODERM FROM THE BROMIDE FORMATION (SANDBIAN) OF SOUTHERN OKLAHOMA, AND A REVISED CLASSIFICATION OF EOCRINOIDS, RHIPIDOCYSTIDS, AND PARACRINOIDS
Abstract ID#: 283419
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
REASSESSMENT OF THE DEVONIAN PROBLEMATICUM PROTONYMPHA AS ANOTHER POST-EDIACARAN VENDOBIONT
Abstract ID#: 277500
RETALLACK, Gregory J., Department of Geological Sciences, University of Oregon, Eugene, OR 97403, gregr@uoregon.edu
A NEW KEY SMITHIAN (EARLY TRIASSIC) QUANTITATIVE AMMONOID BIOCHRONOLOGY FROM THE WESTERN USA BASIN
Abstract ID#: 277288
JATTIOT, Romain1, BUCHER, Hugo2, BRAYARD, Arnaud3, BROSSE, Morgane2, JENKS, Jim4 and BYLUND, Kevin G.5, (1)Paleontological Institute and Museum, University of Zurich, Karl Schmid-Strasse 4, Zürich, 8006, Switzerland; UMR CNRS 6282 Biogéosciences, Université de Bourgogne-Franche Comté, 6 boulevard Gabriel, Dijon, 21000, France, (2)Paleontological Institute and Museum, University of Zurich, Karl Schmid-Strasse 4, Zürich, 8006, Switzerland, (3)UMR CNRS 6282 Biogéosciences, Université de Bourgogne-Franche Comté, 6 boulevard Gabriel, Dijon, 21000, France, (4)1134 Johnson Ridge Lane, West Jordan, UT 84084, (5)140 South 700 East, Spanish Fork, UT 84660, romain.jattiot@pim.uzh.ch
SEX AND SHIFTING BIODIVERSITY DYNAMICS DURING THE MESOZOIC MARINE REVOLUTION
Abstract ID#: 282787
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
PHYSA POPULATION AT UKALA, MADHYA PRADESH INDIA- AN EXAMPLE OF ECOPHENOTYPIC VARIATION
Abstract ID#: 284595
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
HYPOTHETICAL DIVERGENT EVOLUTION OF TWO APEX PREDATORS FROM THE HELL CREEK FORMATION: NANOTYRANNUS LANCENSIS AND TYRANNOSAURUS REX
Abstract ID#: 279687
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
THUNDER LIZARD SONG AND DANCE: SKULLS FROM BRONTOSAURUS AND APATOSAURUS SHOW MARKED DIVERGENCE IN VOCALIZATION AND UPRIGHT COMBAT
Abstract ID#: 282844
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
ASSESSING MONOPHYLY OF THE SPATANGOID ECHINOID GENUS MECASTER WITH IMPLICATIONS ON DIVERSITY AND EXTINCTION PATTERNS IN THE LATE CRETACEOUS
Abstract ID#: 286203
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
“O SOLEMYA…” LIGAMENTAL PLESIOMORPHY AND APOMORPHY IN THE ACHARAX-SOLEMYA CLADE (BIVALVIA: SOLEMYIDAE)
Abstract ID#: 281610
BAILEY, Jack Bowman, Department of Geology, Western Illinois University, 1 University Circle, Macomb, IL 61455, JB-Bailey@wiu.edu
CHANGING SPECIES INCLUSIVENESS AND SPECIES DISCOVERY IN CENOZOIC MOLLUSCS – WHAT EMERGES FROM A POPULAR HANDBOOK AFTER MORE THAN 50 YEARS OF NEGLECT?
Abstract ID#: 286448
TODD, Jonathan A., Earth Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, J.Todd@nhm.ac.uk
RANGE AND CHANGE: THE ROLE OF CHANGING OCCUPANCY IN PREDICTING EXTINCTION RISK
Abstract ID#: 286046
KIESSLING, Wolfgang and KOCSIS, Tibor Ádám, GeoZentrum Nordbayern, Friedrich-Alexander-Universität Erlangen-Nürnberg, Loewenichstraße 28, Erlangen, 91054, Germany, wolfgang.kiessling@fau.de
TERRESTRIAL EFFECTS OF NEARBY SUPERNOVAE IN THE EARLY PLEISTOCENE
Abstract ID#: 280753
THOMAS, Brian C., Physics and Astronomy, Washburn University, 1700 SW College Ave, Topeka, KS 66621, brian.thomas@washburn.edu
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