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2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

Session No. 69
Sunday, 1 November 2015: 1:30 PM-5:30 PM
Room 316 (Baltimore Convention Center)

T155. Timing of the Origins and Evolution of Unicellular Eukaryotes

AASP - The Palynological Society; Commission Internationale de la Microflore du Paleozoique CIMP (International Commission of the Palaeozoic Microflora); Paleontological Society
Malgorzata Moczydlowska-Vidal, Stanley Awramik and Heda Agić, Session Chairs
Paper #
Start Time
 
1:30 PM
Introductory Remarks
69-1
1:35 PM
THE EVOLUTIONARY SELECTION OF UNICELLULAR EUKARYOTES
FALKOWSKI, Paul G., Depts. of Earth and Planetary Sciences and Marine and Coastal Sciences, Rutgers University, 71 Dudley Road, New Brunswick, SC 08540, fako@marine.rutgers.edu
69-2
1:55 PM
TINY VAMPIRES IN ANCIENT SEAS: EVIDENCE FOR PREDATION VIA PERFORATION IN NEOPROTEROZOIC MICROFOSSILS
PORTER, Susannah M., Department of Earth Science, University of California, Santa Barbara, Santa Barbara, CA 93106, porter@geol.ucsb.edu
69-3
2:15 PM
THE EARLY EVOLUTIONARY HISTORY OF CHLOROPLASTIDA BASED ON THE MICROFOSSIL RECORD
MOCZYDLOWSKA-VIDAL, Malgorzata, Earth Sciences, Uppsala University, Villavägen 16, Uppsala, 75236, Sweden, AGIC, Heda, Department of Earth Science, Uppsala University, Villavägen 16, Uppsala, 75236, Sweden and WILLMAN, Sebastian, Department of Earth Sciences, Uppsala University, Villavägen 16, Uppsala, 75236, Sweden, malgo.vidal@pal.uu.se
69-4
2:30 PM
THE EVOLUTION OF PHYTOPLANKTON DURING THE EARLY MESOZOIC
RIDING, James B., Climate Change, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, WIGGAN, Nikolas J., Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom, FENSOME, Robert A., Geological Survey of Canada (Atlantic), Bedford Institute of Oceanography, Post Office Box 1006, Dartmouth, NS B2Y 4A2, Canada and MATTIOLI, Emanuela, Laboratoire de Géologie de Lyon: Terre, Planètes, Environnement, Université Lyon 1, Villeurbanne Cedex, F-69622, France, jbri@bgs.ac.uk
69-5
2:50 PM
THE MESOPROTEROZOIC RUYANG GROUP, CHINA: A HOTSPOT OF EARLY EUKARYOTE BIODIVERSITY
AGIĆ, Heda, Department of Earth Science, Uppsala University, Villavagen 16, Uppsala, 75236, Sweden, MOCZYDLOWSKA-VIDAL, Malgorzata, Earth Sciences, Uppsala University, Villavägen 16, Uppsala, 75236, Sweden and YIN, Leiming, Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, 210008, China, heda.agic@geo.uu.se
69-6
3:05 PM
ORGANIC-WALLED MICROFOSSILS FROM THE TONIAN GOUHOU FORMATION, HUAIBEI REGION, NORTH CHINA CRATON, AND THEIR BIOSTRATIGRAPHIC IMPLICATIONS
TANG, Qing, Geosciences, Virginia Polytechnic Institute and State University, 4044 Derrying Hall (3052), Blacksburg, VA 24061, qingt@vt.edu
 
3:20 PM
Break
69-7
3:35 PM
GLOBAL SPECIES RICHNESS RECORD AND BIOSTRATIGRAPHIC POTENTIAL OF EARLY TO MIDDLE NEOPROTEROZOIC EUKARYOTE FOSSILS
RIEDMAN, Leigh Anne, Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138 and SADLER, P.M., Department of Earth Sciences, University of California, Riverside, Riverside, CA 92521, lriedman@umail.ucsb.edu
69-8
3:50 PM
MICROFOSSIL ASSEMBLAGES IN THE CRYOGENIAN NONGLACIAL INTERLUDE (~660-640 MA) OF NAMIBIA, ZAMBIA, MONGOLIA AND ARCTIC ALASKA
MOORE, Kelsey R1, BOSAK, Tanja1, MACDONALD, Francis A.2, LAHR, Daniel J.G.3, NEWMAN, Sharon1 and PRUSS, Sara B.4, (1)Dept. of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02139, (2)Department of Earth and Planetary Sciences, Harvard University, 2, Cambridge, MA 02138, (3)Department of Zoology, University of Sao Paulo, Sao Paulo, 05508, Brazil, (4)Department of Geosciences, Smith College, Northampton, MA 01063, krmoore@mit.edu
69-9
4:05 PM
ORIGIN AND AGE OF HETEROTROPHIC SKELETAL MICROBIAL EUKARYOTES
LIPPS, Jere H., Museum of Paleontology, University of California, Berkeley, CA 94720; J. D. Cooper Center, Santa Ana, CA 92701 and SIMISON, W. Brian, California Academy of Sciences, Golden Gate Park, San Francisco, CA 94118, jlipps@berkeley.edu
69-10
4:20 PM
DISPERSAL, DORMANCY, AND THE EVOLUTION OF THE TEST AND LIFE CYCLE IN FORAMINIFERA
GOLDSTEIN, Susan T., Department of Geology, University of Georgia, Athens, GA 30602, sgoldst@uga.edu
69-11
4:35 PM
PLANKTON EVOLUTION DURING THE BAJOCIAN (MIDDLE JURASSIC, 170—168 MA): A MAJOR TRANSITION IN THE MODERN EUKARYOTIC PHYTOPLANKTON
WIGGAN, Nickolas J., Department of Earth Sciences, University of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom and RIDING, James B., Climate Change, British Geological Survey, Keyworth, Nottingham, NG12 5GG, United Kingdom, njw56@cam.ac.uk
69-12
4:50 PM
CONSTRAINING THE ORIGINATION OF THE FRESHWATER DINOFLAGELLATE PERIDINIUM WISCONSINENSE EDDY FROM THE MARINE SCRIPPSIELLA LINEAGE USING PHYLOGENETIC AND BIOSTRATIGRAPHIC EVIDENCE
MCCARTHY, Francine M.G.1, MERTENS, Kenneth N.2, MATSUOKA, Kazumi3, GU, Haifeng4 and TAKANO, Yoshihito3, (1)Earth Sciences, Brock University, St. Catharines, ON L2S 3A1, Canada, (2)Research Unit for Palaeontology, Ghent University, Gent, Belgium, (3)Institute for East China Sea Research (ECSER), 1-14, Bunkyo-machi, Nagasaki, 852-8521, Japan, (4)Third Institute of Oceanography, SOA, Xiamen, 361005, China, fmccarthy@brocku.ca
 
5:05 PM
Concluding Remarks
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