2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 120
Tuesday, 30 October 2007: 8:00 AM-12:00 PM

Paleontology V: Early Life

 

Marc Laflamme and Shuhai Xiao, Chairs
Paper #
Start Time
1
8:00 AM
THE VINDHYAN ENIGMA REVISITED
BENGTSON, Stefan, Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, Stockholm, SE-104 05, Sweden, BELIVANOVA, Veneta, Department of Palaeozoology, Swedish Museum of Natural History, Box 50007, Stockholm, SE-104 05, RASMUSSEN, Birger, School of Earth and Geographical Sciences, Univ of Western Australia, Crawley, WA 6009, Australia and WHITEHOUSE, Martin J., LIG, Swedish Museum of Natural History, Stockholm, SE-104 05, Sweden, stefan.bengtson@nrm.se, stefan.bengtson@nrm.se
2
8:15 AM
A PALEOPROTEROZOIC DIVERSIFICATION OF EARLY EUKARYOTES: FOSSIL EVIDENCE FROM THE CHANGZHOUGOU FORMATION, NORTH CHINA
LAMB, D.M.1, AWRAMIK, Stanley M.1 and ZHU, S.2, (1)Department of Earth Science, University of California, Santa Barbara, CA 93106, (2)Tianjin Institute of Geology and Mineral Resources, No. 4, 8th Road, Dazhigu, Tianjin, 300170, China, dml@umail.ucsb.edu, dml@umail.ucsb.edu
3
8:30 AM
CRYOGENIAN (MIDDLE NEOPROTEROZOIC) REEFS FROM NORTHWESTERN CANADA
NARBONNE, Guy M., Geological Sciences & Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada and JAMES, Noel P., Department of Geological Science and Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, narbonne@geol.queensu.ca, narbonne@geol.queensu.ca
4
8:45 AM
MICROBIAL FRAMEWORK BUILDERS OF A CRYOGENIAN REEF: THE PERSISTANCE OF EVOLUTION TOWARD THE CAMBRIAN
WOON, Estee M.S. and WALLACE, Malcolm W., School of Earth Sciences, University of Melbourne, Carlton, 3010, Australia, e.woon@pgrad.unimelb.edu.au, e.woon@pgrad.unimelb.edu.au
5
9:00 AM
NEOPROTEROZOIC STROMATOLITES OF THE DEATH VALLEY REGION: LET THE REHABILITATION BEGIN
AWRAMIK, Stanley M., Earth Science, University of California, Santa Barbara, CA 93106, GREY, Kathleen, Geological Survey of Western Australia, 100 Plain Street, East Perth, 6004, Australia and KNAUTH, L. Paul, School of Earth and Space Exploration, Arizona State University, Box 871404, Tempe, AZ 85287-1404, awramik@geol.ucsb.edu, awramik@geol.ucsb.edu
6
9:15 AM
SPHEROIDAL MICROFOSSILS FROM THE EDIACARAN DOUSHANTUO FORMATION: ANIMAL EMBRYOS OR GIANT SULFIDE OXIDIZING BACTERIA?
XIAO, Shuhai1, ZHOU, Chuanming2 and YUAN, Xunlai2, (1)Department of Geosciences, Virginia Polytechnic Institute and State University, 4044 Derring Hall, Blacksburg, VA 24061, (2)Nanjing Institute of Geology and Paleontology, Chinese Academy of Sciences, Nanjing, 210008, China, xiao@vt.edu, xiao@vt.edu
7
9:30 AM
PALEOECOLOGICAL CONTEXT OF EARLY BIOMINERALIZERS – EASTERN CALIFORNIA AND WESTERN NEVADA, USA
DOMKE, Kirk L. and BOTTJER, David, Department of Earth Sciences, University of Southern California, Zumberge Hall 117, Los Angeles, CA 90089-0740, domke@usc.edu, domke@usc.edu
8
9:45 AM
PECTINATES: AN EARLY EXPERIMENT IN MULTICELLULAR LIFE FROM THE EDIACARAN OF NEWFOUNDLAND
BAMFORTH, Emily L., Royal Saskatchewan Museum, RSM Fossil Research Station, Po Box 460, Eastend, SK S0N 0T0, Canada and NARBONNE, Guy M., Geological Sciences & Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, emily.bamforth@gov.sk.ca, emily.bamforth@gov.sk.ca
9
10:00 AM
THREE-DIMENSIONAL FRONDS FROM THE EDIACARAN OF SOUTH AUSTRALIA
LAFLAMME, Marc, Department of Geological Sciences and Geological Engineering, Queen's University, Kingston, ON K7L 3N6, Canada, GEHLING, James G., Science Centre, South Australian Museum, Morgan Thomas Lane, South Australia, Adelaide, 5000, Australia and DROSER, Mary L., Department of Earth Sciences, University of California, Riverside, 900 University Ave, Riverside, CA 92521, laflamme@geoladm.geol.queensu.ca, laflamme@geoladm.geol.queensu.ca
10
10:15 AM
ANCHORS AWAY: ANATOMY OF AN EDIACARAN SEA FLOOR DOMINATED BY PARVANCORINA
DROSER, Mary L., Department of Earth Sciences, University of California, Riverside, Riverside, CA 92521, GEHLING, James, South Australian Museum, Adelaide, 5000, Australia, PATERSON, John, Environmental Sciences and Natural Resources Management, The University of New England, Armidale, 2351, Australia and RICE, Dennis, South Australian Museum, North Terrace, Adelaide, 5000, Australia, mary.droser@ucr.edu, mary.droser@ucr.edu
11
10:30 AM
EXPLORING THE TAXONOMIC AFFINITIES OF NEOPROTEROZOIC AND PALEOZOIC ACRITARCHS
COHEN, Phoebe, Earth and Planetary Science, Harvard University, Botanical Museum, 26 Oxford St, Cambridge, MA 02138 and KODNER, Robin, Organismic and Evolutionary Biology, Harvard University, 26 Oxford St, Botanical Museum, Cambridge, MA 02138, pacohen@fas.harvard.edu, pacohen@fas.harvard.edu
12
10:45 AM
SILICIFICATION AS A COMMON MODE OF PRESERVATION IN NORTH AMERICAN CAMBRIAN LAGERSTÄTTEN
POWELL, Wayne, Geology, Brooklyn College, 2900 Bedford Avenue, Brooklyn, NY 11210, wpowell@brooklyn.cuny.edu, wpowell@brooklyn.cuny.edu
13
11:00 AM
THE ROLE OF SKELETONS IN THE EARLY PALEOZOIC CARBONATE FACTORY: EVIDENCE FROM WESTERN NEWFOUNDLAND AND WESTERN UTAH
PRUSS, Sara B., Dept. of Geology, Smith College, Clark Science Center, Northampton, MA 01063, KNOLL, Andrew H., Organismic and Evolutionary Biology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, FINNEGAN, Seth, Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Building 320, Stanford, CA 94305 and MUSHEGIAN, Alexandra, Harvard University, Cambridge, MA 02138, spruss@email.smith.edu, spruss@email.smith.edu
14
11:15 AM
PALEOECOLOGY AND SUBSTRATE INTERACTIONS OF EPIFAUNAL SUSPENSION FEEDERS IN THE EARLY CAMBRIAN MAOTIANSHAN SHALE BIOTA, SOUTHWEST CHINA
DORNBOS, Stephen Q., Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0413 and CHEN, Junyuan, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, 210008, China, sdornbos@uwm.edu, sdornbos@uwm.edu
15
11:30 AM
TAPHONOMY AND PALEOECOLOGY OF THE EARLY CAMBRIAN MAOTIANSHAN SHALE BIOTA CHANCELLORIID ALLONNIA
KLOSS, Tristan J., Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0413, DORNBOS, Stephen Q., Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0413 and CHEN, Jun-Yuan, Nanjing Institute of Geology and Palaeontology, Nanjing, 210008, China, tjkloss@uwm.edu, tjkloss@uwm.edu
16
11:45 AM
PALEOECOLOGY OF THE MIDDLE CAMBRIAN EOCRINOID ECHINODERM GOGIA SPIRALIS: POSSIBLE CHANGES IN SUBSTRATE ADAPTATIONS THROUGH ONTOGENY
SCHLOTTKE, Mark T., Department of Geosciences, University of Wisconsin Milwaukee, P.O. Box 413, Milwaukee, WI 53201-0413 and DORNBOS, Stephen Q., Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53201-0413, mts5@uwm.edu, mts5@uwm.edu