4 Geologic Records of Biotic Change

Monday, 12 March 2007
8:15 AM - 10:00 AM

Presentations

• 8:20 AM
  SPECIES ABUNDANCE CHANGES DURING MASS EXTINCTION AND THE INVERSE SIGNOR-LIPPS EFFECT: APPARENTLY ABRUPT GRAPTOLITE MASS EXTINCTION AS AN ARTIFACT OF SAMPLING
  Kristi Belscher, Univ. at Buffalo, SUNY, Buffalo, NY and C.E. Mitchell, Univ. at Buffalo, SUNY, Buffalo, NY and H. David Sheets, Canisius College, Buffalo, NY and S.C. Finney, California State Univ, Long Beach, CA and Michael Melchin, St. Francis Xavier Univ, Antigonish, NS
  118474 (THEME SESSIONS)
• 8:40 AM
  RECOVERY AND RADIATION FOLLOWING THE END-ORDOVICIAN MASS EXTINCTION: TESTING FOR EXPANSION AND CONVERGENCE IN GRAPTOLITE MORPHOLOGICAL GUILDS
  David W. Bapst, SUNY at Buffalo, Buffalo, NY and Charles Mitchell, SUNY at Buffalo, Buffalo, NY and H. David Sheets, Canisius College, Buffalo, NY
  117928 (THEME SESSIONS)
• 9:00 AM
  IMPLICATIONS FOR PALEOENVIRONMENTAL CONDITIONS AT THE P/TR EXTINCTION EVENT BASED ON TRACE FOSSILS FROM THE LATE PERMIAN AND EARLY TRIASSIC OF THE KAROO BASIN
  Robert Gastaldo, Colby College Dept Geology, Waterville, ME and Marcy W. Rolerson, Colby College, Waterville, ME
  117836 (THEME SESSIONS)
• 9:20 AM
  EVALUATING THE INTERCONTINENTAL SYNCHRONEITY OF MAMMALIAN TURNOVER; NEW RESULTS FROM THE PALEOCENE OF THE CHIJIANG BASIN, CHINA
  William C. Clyde, University of New Hampshire, Durham, NH and Suyin Ting, Lousiana State University, Baton Rouge, LA and Gabriel J. Bowen, Purdue University, West Lafayette, IN and Kathryn E. Snell, California Institute of Technology, Pasadena, CA and Paul Koch, University of California Santa Cruz, Santa Cruz, CA and Qian Li, Chinese Academy of Sciences, Beijing 100044, N/A and Yongsheng Tong, Chinese Academy of Sciences, Beijing 100044, N/A and Yuanqing Wang, Chinese Academy of Sciences, Beijing 100044, N/A
  117803 (THEME SESSIONS)
• 9:40 AM
  TESTING DIFFERENT CALIBRATIONS OF THE EOCENE GEOMAGNETIC POLARITY TIME SCALE USING NEW PALEOMAGNETIC RESULTS FROM GREEN RIVER BASIN TUFFS
  Kaori Tsukui, University of New Hampshire, Durham, NH and William Clyde, University of New Hampshire, Durham, NH and M. Elliot Smith, University of Montana, Missoula, MT
  118434 (THEME SESSIONS)