Session No. 28 Monday, November 5, 2001

1:30 PM-5:30 PM, Hynes Convention Center: 112
Paleobotany
Howard J. Falcon-Lang and Martin B. Farley, Presiding
 Paper #Start Time
28-01:30 PM LATE CARBONIFEROUS PLANT ECOLOGY ACROSS AN ALLUVIAL PLAIN TO COASTAL PLAIN TRANSECT, JOGGINS, NOVA SCOTIA: FALCON-LANG, Howard J., Earth Sciences, Dalhousie Univ, Halifax, NS B3H 3J5 Canada, hfalconl@is.dal.ca.
28-01:45 PM WARM INTERVAL BEFORE THE BEGINNING OF THE CARBONIFEROUS ICE AGE INDICATED BY PLANT FOSSILS FROM THE LATE EARLY CARBONIFEROUS OF GONDWANA: PFEFFERKORN, Hermann W., Univ Pennsylvania, 240 S 33rd St, Philadelphia, PA 19104-6316, hpfeffer@sas.upenn.edu and IANNUZZI, Roberto, Departamento de Paleontologia e Estratigrafia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, RS, 91.509-900, Brazil
28-02:00 PM RECOGNITION OF A NEW ANGARAN-TYPE FLORA AND FACIES VARIATION IN THE LATE PALEOZOIC MT. DALL CONGLOMERATE, FAREWELL TERRANE, ALASKA: SUNDERLIN, David, Department of Geophysical Sciences, Univ of Chicago, 5734 S. Ellis Ave, Chicago, IL 60637, dfsunder@uchicago.edu.
28-02:15 PM PATTERNS OF MORPHOLOGICAL EVOLUTION IN THE LEAVES OF FERNS AND SEED PLANTS: BOYCE, Charles Kevin, Organismic and Evolutionary Biology, Harvard Univ, 26 Oxford St, Cambridge, MA 02138, cboyce@oeb.harvard.edu.
28-02:30 PM EVALUATING SHIFTS IN ANGIOSPERM DIVERSIFICATION RATES: SIMS, Hallie J., Paleobiology, Smithsonian Institution, National Museum of Natural History, 10th and Constitution Ave, NW, Washington, DC 20560-0121, sims.hallie@nmnh.si.edu.
28-02:45 PM MESOFOSSILS FROM BLACK WOLF, KANSAS: WANG, Xin, Paleobotany Lab, Florida Museum of Nat History, University of Florida, Gainesville, FL 32611-7800, wangxin@flmnh.ufl.edu and DILCHER, David, Department of Natural Sciences, Univ of Florida, Florida Museum of Natural History, Gainseville, FL 32611-7800
28-03:00 PM Paper Withdrawn
28-03:15 PM FLORAL TURNOVER AND CLIMATIC CHANGES ASSOCIATED WITH THE CRETACEOUS/PALEOGENE (K/T) BOUNDARY, NORTH DAKOTA, USA: WILF, Peter, Museum of Paleontology, University of Michigan, Ann Arbor, MI 48109, pwilf@umich.edu and JOHNSON, Kirk R., Department of Earth and Space Sciences, Denver Museum of Nature and Sci, Denver, CO 80205
28-03:30 PM THE LATE CRETACEOUS AND EARLY PALEOCENE MEGAFLORA OF THE DENVER BASIN: RECONSTRUCTING THE VEGETATION, TOPOGRAPHY, AND CLIMATE OF AN EVOLVING SYNOROGENIC LANDSCAPE: JOHNSON, Kirk R. and ELLIS, Beth L., Department of Earth and Space Sciences, Denver Museum of Nature and Sci, Denver, CO 80205, KJohnson@dmns.org
28-03:45 PM FLORAL CHANGE LAGS WARMING AT THE PALEOCENE-EOCENE THERMAL MAXIMUM: WING, Scott L.1, BOWEN, Gabe2, KOCH, Paul2, and HARRINGTON, Guy J.3, (1) Smithsonian Inst, NHB-121, Washington, DC 20560-0121, wings@nmnh.si.edu, (2) Dept. of Earth Sciences, Univ of California Santa Cruz, Santa Cruz, CA 95064, (3) Dept of Geology, Univ of Cork, Cork, Ireland
28-04:00 PM PALEOGENE PALYNOLOGICAL RECORD OF VEGETATION RESPONSE TO CLIMATIC WARMING IN THE BIGHORN BASIN, WYOMING: FARLEY, Martin B., Geology & Geography, Univ of North Carolina at Pembroke, BA 206, Pembroke, NC 28372, mbfarley@sigmaxi.org.
28-04:15 PM FIRE-DRIVEN VEGETATION DYNAMICS IN CENOZOIC FOREST ECOSYSTEMS, WESTERN NORTH AMERICA: TAGGART, Ralph E. and CROSS, Aureal T., Geological Sciences, Michigan State Univ, East Lansing, MI 48824, taggart@msu.edu
28-04:30 PM ESTIMATES OF MEAN ANNUAL TEMPERATURE USING LEAVES AND WOOD FROM MODERN SITES ALONG A TEMPERATURE GRADIENT IN EASTERN NORTH AMERICA: KOWALSKI, Elizabeth A. and DILCHER, David L., Natural History, Florida Museum of Nat History, University of Florida, P.O. Box 117800, Gainesville, FL 32611, kowalski@flmnh.ufl.edu
28-04:45 PM PHYTOLITH CARBON ISOTOPE RECORDS OF NEOGENE GRASSES: SMITH, Francesca A., Geophysical Sciences, University of Chicago, Current Address: Campus Box 450, Boulder, CO 80309-0450, francesca.smith@colorado.edu.
28-05:00 PM THE PRESERVATION OF WOODS IN VOLCANIC PYROCLASTIC FLOWS AND SURGES: SCOTT, Andrew C., Geology Department, Royal Holloway, Univ of London, Egham, Surrey TW20 OEX United Kingdom, a.scott@gl.rhul.ac.uk.
28-05:15 PM FOSSILS OF THE CRETACEOUS/TERTIARY TRANSITION, BADLANDS REGION OF SOUTH DAKOTA: CHAMBERLAIN, John A. Jr, Dept. of Geology, Brooklyn College, Brooklyn, NY 11210, johnc@brooklyn.cuny.edu, TERRY, Dennis O. Jr, Temple Univ, Dept Geology, Philadelphia, PA 19122-6081, STOFFER, Philip W., USGS Library, Menlo Park, CA 94025, and BECKER, Martin A., Dept. of Physics & Geology, The College of New Jersey, Ewing, NJ 08628

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