GSA Annual Meeting, November 5-8, 2001

Session No. 177
Thursday, 8 November 2001: 1:30 PM-5:30 PM

Paleontology III: Early Life

 

Mark A. S. McMenamin and Bruce S. Lieberman, Chairs
Paper #
Start Time
0
1:30 PM
A LATE ARCHEAN PALEOSOL WITH MICROFOSSILS, RAINDROP STRUCTURES AND EPHEMERAL PONDS?
ABBAN, Andrew Paul, Science Education Department, Harvard-Smithsonian, Center for Astrophysics, 60 Garden Street, MS71, Cambridge, MA 02138, aabban@cfa.harvard.edu, aabban@cfa.harvard.edu
0
1:45 PM
THE "STAR BURST" HYPOTHESIS FOR THE DIVERSIFICATION OF EUKARYOTES AND THE GEOLOGIC RECORD INDICATE VERY EARLY ORIGINS FOR ALL MAJOR LINEAGES
LIPPS, Jere H., Department of Integrative Biology & Museum of Paleontology, Univ of California, Berkeley, CA 94720, jlipps@uclink4.berkeley.edu, jlipps@uclink4.berkeley.edu
0
2:00 PM
CYTOLOGICAL AND ECOLOGICAL COMPLEXITY IN THE EARLY MESOPROTEROZOIC
JAVAUX, Emmanuelle J.1, KNOLL, Andrew H.1 and WALTER, Malcolm R.2, (1)Botanical Museum, Harvard Univ, 26 Oxford street, Cambridge, MA 02138, (2)Earth and Planetary Sciences, Australian Centre for Astrobiology, Macquarie Univ, New South Wales, 2109, Australia, ejavaux@aol.com, ejavaux@aol.com
0
2:15 PM
HIGH MORPHOLOGICAL DIVERSITY IN NEOPROTEROZOIC VASE-SHAPED MICROFOSSIL ASSEMBLAGES FROM THE CHUAR GROUP, GRAND CANYON: COMPARISONS WITH TESTATE AMOEBAE
PORTER, Susannah M., Department of Organismic and Evolutionary Biology, Harvard Univ, 26 Oxford St, Cambridge, MA 02138 and MEISTERFELD, Ralf, Department of General Biology, Rheinisch-Westfalische Techn. Hochschule, Kopernikusstrasse 16, D 52056, Aachen, Germany, sporter@oeb.harvard.edu, sporter@oeb.harvard.edu
0
2:30 PM
POSSIBLE MICROMETAZOAN COPROLITES FROM THE JOHNNIE FORMATION (LATE NEOPROTEROZOIC) OF THE MOJAVE DESERT, CALIFORNIA
WAGGONER, Ben M., Department of Biology, Univ of Central Arkansas, Conway, AR 72035-5003, benw@mail.uca.edu, benw@mail.uca.edu
0
2:45 PM
MICROBIAL ORIGIN OF SOME OF THE EDIACARAN FOSSILS
GRAZHDANKIN, D., Department of Earth Sciences, Univ. of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom, dgra99@esc.cam.ac.uk, dgra99@esc.cam.ac.uk
0
3:00 PM
GEOBIOS, HYPERSEA AND THE IMPORTANCE OF HYPERMARINE UPWELLING FOR THE DEVELOPMENT OF COMPLEX LIFE
MCMENAMIN, Mark A.S., Department of Earth and Environment, Mount Holyoke College, South Hadley, MA 01075, mmcmenam@mtholyoke.edu, mmcmenam@mtholyoke.edu
0
3:15 PM
USING BIOGEOGRAPHY TO CONSTRAIN THE TIMING OF THE CAMBRIAN RADIATION
LIEBERMAN, Bruce S., Geology, Univ Kansas, 120 Lindley Hall, 1475 Jayhawk Blvd, Lawrence, KS 66045-7613, blieber@ku.edu, blieber@ku.edu
0
3:30 PM
FOSSILS, MOLECULAR CLOCKS AND THE CAMBRIAN EXPLOSION
PETERSON, Kevin J. and TAKACS, Carter, Department of Biological Sciences, Dartmouth College, North College St, Hanover, NH 03755, kevin.peterson@dartmouth.edu, kevin.peterson@dartmouth.edu
0
3:45 PM
EVIDENCE FOR ABUNDANT SEAFLOOR MICROBIAL MATS AND ASSOCIATED METAZOAN LIFESTYLES IN THE LOWER CAMBRIAN ZHONGYICUN PHOSPORITES OF CHINA
DORNBOS, Stephen Q.1, BOTTJER, David1 and CHEN, Jun-Yuan2, (1)Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740, (2)Nanjing Insitute of Palaeontology and Geology, Nanjing, 210008, China, sdornbos@earth.usc.edu, sdornbos@earth.usc.edu
0
4:00 PM
THE NON-PREVALENCE OF CAMBRIAN DEPOSIT FEEDING
BUTTERFIELD, Nicholas J., Department of Earth Sciences, Univ of Cambridge, Downing Street, Cambridge, CB2 3EQ, United Kingdom and JENSEN, Soren, Univ California - Riverside, 1432 Geology Bldg, Riverside, CA 92521-0423, njb1005@esc.cam.ac.uk, njb1005@esc.cam.ac.uk
0
4:15 PM
A MIDDLE CAMBRIAN OXYGEN-DEFICIENT BIOFACIES: GREAT BASIN, USA
GAINES, Robert R., Univ California - Riverside, Dept Earth Sciences -036, Riverside, CA 92507 and DROSER, Mary L., Earth Sciences, Univ of California, Riverside, CA 92521, rgaines@citrus.ucr.edu, rgaines@citrus.ucr.edu
0
4:30 PM
CAMBRIAN FIRM MUDDY SUBSTRATES: SIGNIFICANCE FOR THE PRESERVATION OF TRACE FOSSILS
DROSER, Mary L.1, JENSEN, Soren1 and GEHLING, James G.2, (1)Department of Earth Sciences, Univ of California, Riverside, Riverside, CA 92521, (2)South Australian Museum, Div of Nat Sciences, North Terrace, Adelaide, 5000, Australia, droser@ucrac1.ucr.edu, droser@ucrac1.ucr.edu
0
4:45 PM
3D IMAGING OF PYRITIZED SOFT TISSUES IN PALEOZOIC KONSERVAT-LAGERSTÄTTEN
HAGADORN, James W., Division of Geological & Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, WHITELEY, Thomas E., 105 White Village Dr, Rochester, NY 14625 and NEALSON, Kenneth H., Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089, hagadorn@caltech.edu, hagadorn@caltech.edu
0
5:00 PM
ENVIRONMENTAL BIAS OF FOSSIL KONSERVAT LAGERSTÄTTEN THROUGH THE PHANEROZOIC
MIKULIC, Donald G., Illinois State Geol Survey, 615 E Peabody Dr, Champaign, IL 61820-6964 and KLUESSENDORF, Joanne, Weis Earth Sci Museum, University of Wisconsin-Fox Valley, 1478 Midway Rd, Menasha, WI 54952, mikulic@isgs.uiuc.edu, mikulic@isgs.uiuc.edu
0
5:15 PM
A SILURIAN CHEMOSYNTHETIC ECOSYSTEM FROM CENTRAL MOROCCO
BARBIERI, Roberto1, CAVALAZZI, Barbara1 and ORI, Gian Gabriele2, (1)Dipartimento di Scienze della Terra e Geo-ambientali, Univ of Bologna, Via Zamboni 67, Bologna, 40126, Italy, (2)IRSPS, Univ D'Annunzio, Viale Pindaro 42, Pescara, 65127, Italy, barbieri@geomin.unibo.it, barbieri@geomin.unibo.it