Session No. 161 Tuesday, October 29, 2002

1:30 PM-5:30 PM, Colorado Convention Center: C105/107
Paleontology/Paleobotany V: Diversity Dynamics and Extinctions
Margaret M. Yacobucci and Rowan Lockwood, Presiding
 Paper #Start Time
161-11:30 PM INTEROPERABILITY OF DATABASES FOR FOSSIL AND LIVING ORGANISMS: CORALS AS A PROTOTYPE SYSTEM: BUDD, Ann F.1, FAUTIN, Daphne G.2, BUDDEMEIER, Robert W.3, and FOSTER, C.T. Jr1, (1) Department of Geoscience, Univ. of Iowa, Iowa City, IA 52242, ann-budd@uiowa.edu, (2) Department of Ecology and Evolutionary Biology, Univ. of Kansas, 1200 Sunnyside Avenue, Lawrence, KS 66045, (3) Kansas Geological Survey, Univ. of Kansas, 1930 Constant Avenue, Lawrence, KS 66047
161-21:45 PM A SIGNIFICANT RELATIONSHIP BETWEEN MACROEVOLUTIONARY ORIGINATION RATES AND PHANEROZOIC PCO2 LEVELS: CORNETTE, James L., LIEBERMAN, Bruce S., and GOLDSTEIN, Robert H., Geology, Univ of Kansas, 120 Lindley Hall, Lawrence, KS 66045, cornette@ku.edu
161-32:00 PM THE EVOLUTION OF WITHIN-COMMUNITY PHANEROZOIC LAND PLANT DIVERSITY: SIMS, Hallie J.1, STEIN, William E.2, WING, Scott L.1, GENSEL, Patricia G.3, TIFFNEY, Bruce H.4, GASTALDO, Robert A.5, REES, P. McAllister6, RAYMOND, Anne7, WILF, Peter8, and JOHNSON, Kirk R.9, (1) Dept. Paleobiology (NMNH), Smithsonian Institution, Washington, DC 20560, sims.hallie@nmnh.si.edu, (2) Dept. Biological Sciences, SUNY, Binghamton, NY 13902, (3) Dept. Biology, Univ of North Carolina, Chapel Hill, NC 28223, (4) Dept. Geological Sciences, Univ of California, Santa Barbara, CA 93106, (5) Dept. Geology, Colby College, Waterville, ME 04901, (6) Dept. Geophysical Sciences, Univ of Chicago, Chicago, IL 60637, (7) Dept. Geology & Geophysics, Texas A&M Univ, College Station, TX, (8) Dept. Geosciences, Pennsylvania State Univ, PA, (9) Department of Earth Sciences, Denver Museum of Nature & Sci, 2001 Colorado Boulevard, Denver, CO 80205
161-42:15 PM ANALYSIS OF FLORAL DIVERSITY THROUGH THE FIRST 1.4 MA OF THE PALEOCENE, EASTERN DENVER BASIN, COLORADO: BARCLAY, Richard S., Earth Science Department, Denver Museum of Nature & Science, 2001 Colorado Blvd, Denver, CO 80205, sihetun@hotmail.com.
161-52:30 PM THE SCOTTY’S PALM FLORA: A DIVERSE MEGAFLORA WITHIN 300,000 YEARS AFTER THE K-T BOUNDARY ON THE WESTERN MARGIN OF THE DENVER BASIN, COLORADO: REYNOLDS, Michele L., Dept. of Earth and Space Sciences, Denver Museum of Nature and Sci, 2001 Colorado Blvd, Denver, CO 80205, mlreynolds@dmns.org, JOHNSON, Kirk R., Department of Earth Sciences, Denver Museum of Nature & Sci, 2001 Colorado Boulevard, Denver, CO 80205, and THOMASSON, Joseph R., Fort Hays State Univ, Hays, KS 67601-4099
161-62:45 PM PALEOSOL AND VERTEBRATE EXTINCTION ACROSS THE PERMIAN-TRIASSIC BOUNDARY IN THE KAROO BASIN, SOUTH AFRICA: RETALLACK, Gregory J., Department of Geological Sciences, Univ of Oregon, Eugene, OR 97403, gregr@darkwing.uoregon.edu, SMITH, Roger M.H., Department of Earth Sciences, South African Museum, P.O. Box 61, Cape Town, 8000, South Africa, and WARD, Peter D., Department of Geological Sciences, Univ of Washington, Geology; Mailstop 351310, Seattle, WA 98195-1310, Seattle, WA 98195-1310
161-73:00 PM DICYNODONT THERAPSIDS AND THE PERMO-TRIASSIC EXTINCTION: ANGIELCZYK, Kenneth D., Dept. of Integrative Biology and Museum of Paleontology, Univ of California, 1101 Valley Life Sciences Bldg, Berkeley, CA 94720, etranger@socrates.berkeley.edu.
161-83:15 PM END-PERMIAN DOUBLE-PHASED MASS EXTINCTION AND KILLER VOLCANISM: ISOZAKI, Yukio, Univ Tokyo, 3-8-1 Komaba, Meguro, Tokyo 153-8902 Japan, isozaki@chianti.c.u-tokyo.ac.jp.
161-93:30 PM ORIGIN AND EARLY EVOLUTION OF DINOSAURS: NEW ECOSYSTEMS, NOT THE SAME OLD "EXTINCTIONS": HECKERT, A.B., LUCAS, S.G., and HUNT, A.P., New Mexico Museum of Nat History & Sci, 1801 Mountain Rd NW, Albuquerque, NM 87104, AHeckert@nmmnh.state.nm.us
161-103:45 PM STRATIGRAPHY AND PALEOENVIRONMENTS OF THE BASAL LUDLOW FORMATION (FORT UNION GROUP) IN SOUTHWESTERN NORTH DAKOTA: PEARSON, Dean A., Department of Paleontology, Pioneer Trails Regional Museum, 12 First Ave NE, Box 78, Bowman, ND 58623, paleo@ptrm.org, HUNTER, John, Department of Anatomy, NY College of Osteopathic Medicine, Old Westbury, NY 11568, BARROW, Erica, Department of Geology, Univ of Indiana, Bloomington, IN 47408, erbarrow@indiana.edu, and BERCOVICI, Antoine, Univ Pierre et Marie Curie, 7 Place Jussieu, Paris, 75006, France
161-114:00 PM SLOW BURN, BLAZING FINALE, OR SOMETHING ELSE? THREE-PHASE MODEL FOR DINOSAURIAN EXTINCTION IN THE NORTH AMERICAN WESTERN INTERIOR: WROBLEWSKI, Anton Franz-Josef, Department of Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071-3006, franz_josef1@hotmail.com.
161-124:15 PM THE RE-DIVERSIFICATION OF BRYOZOANS AFTER THE PERMO-TRIASSIC MASS EXTINCTION: JAMET, Catherine, Department of Earth Sciences, Univ of Southern California, Los Angeles, CA 90089-0740, cjamet@iupui.edu and PACHUT, Joseph F. Jr, Department of Geology, Indiana Univ-Purdue Univ, 723 W. Michigan St, SL 118, Indianapolis, IN 46202
161-134:30 PM CONTRASTING PATTERNS OF ORIGINATION AND EXTINCTION AMONG GRAPTOLITE SPECIES DURING THE END-ORDOVICIAN MASS EXTINCTION: MITCHELL, Charles E., Geology, Univ at Buffalo, SUNY, Buffalo, NY 14260, cem@geology.buffalo.edu, SHEETS, H. David, Physics, Canisius College, 2001 Main St, Buffalo, NY 14208, MELCHIN, Michael J., Dept. Earth Sciences, St. Fancis Xavier Univ, Antigonish, NS B2G 2W5, Canada, CHEN, Xu, Nanjing Inst Geology & Palaeontology, Chi-Ming-Ssu, Nanjing, 210008, China, and FAN, Jun-xuan, Nanjing Inst Geology & Palaeontology, Chi-Ming-Ssu, Nanjing, 210008, China
161-144:45 PM A MORPHOMETRIC STUDY OF THE EFFECT OF DIVERSITY CRISES ON TRIASSIC AMMONOID EVOLUTION: MCGOWAN, Alistair J., Department of Geophysical Sciences, Univ of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, bigal@geosci.uchicago.edu.
161-155:00 PM AMMONOIDS ARE TAXA TOO: DIVERSITY DYNAMICS IN JURASSIC-CRETACEOUS AMMONOIDEA AND WHY SCALE MATTERS: YACOBUCCI, Margaret M., Department of Geology, Bowling Green State Univ, 190 Overman Hall, Bowling Green, OH 43403, mmyacob@bgnet.bgsu.edu.
161-165:15 PM OF MICE, MASTODONS, AND MEN: HUMAN CAUSED EXTINCTIONS ON FOUR CONTINENTS: LYONS, S. Kathleen, SMITH, Felisa A., and BROWN, James H., Department of Biology, Univ of New Mexico, 167 Castetter Hall, Albuquerque, NM 87131, sklyons@unm.edu

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