T130 Fossil Preservation, Biological Evolution, and Environmental Change at the Dawn of Animal Radiation: An Examination of Geobiological Events across the Ediacaran–Cambrian Transition II

Monday, 5 November 2012
1:30 PM - 5:30 PM
217D

Presentations

• 1:30 PM
  X-RAY MICRO-CT INVESTIGATION OF THE EDIACARA FOSSIL PTERIDINIUM SIMPLEX FROM NAMIBIA
  Michael Meyer, Virginia Polytechnic Institute and State University, Blacksburg, VA and David Elliott, Monash University, Clayton, N/A and Nick Polys, Virginia Tech Information Technology, Blacksburg, VA and Andrew Wood, Virginia Tech Information Technology, Blacksburg, VA and Patricia Vickers-Rich, Monash University, Clayton, N/A and Shuhai Xiao, Virginia Tech, Blacksburg, VA
  208770 (Technical Sessions)
• 1:45 PM
  SYNCHROTRON X-RAY MICRO-CT ANALYSES OF THE EARLY CAMBRIAN MICROFOSSILS
  Tsuyoshi Komiya, The University of Tokyo, Tokyo and Jian Han, Xi'an, N/A and Taito Nakao, The University of Tokyo, Tokyo, N/A and Kentaro Uesugi, Japan Synchrotron Radiation Research Institute, Sayo, N/A and Masato Hoshino, Japan Synchrotron Radiation Research Institute, Sayo, N/A
  205128 (Technical Sessions)
• 2:00 PM
  OCEAN OXYGENATION AND ORIGIN OF FOSSIL-BEARING CHERT BANDS IN LOWER CAMBRIAN STRATA OF SOUTH CHINA
  Kenneth H. O'Donnell, Germantown, MD and Shuhai Xiao, Virginia Tech, Blacksburg, VA
  213241 (Technical Sessions)
• 2:15 PM
  THE FIRST EXPLOSIVE DIVERSIFICATION OF SSFS DURING THE DEPOSITION OF THE LOWERMOST CAMBRIAN PHOSPHORITE IN CHENGJIANG, SOUTH CHINA
  Tomohiko Sato, Tokyo Institute of Technology, Tokyo and Yukio Isozaki, Univ Tokyo, Tokyo, N/A and Takahiko Hitachi, Univ Tokyo, Tokyo, N/A and Degan Shu, Northwest Univ, Xi'an, N/A
  207988 (Technical Sessions)
• 2:30 PM
  SMALL SHELLY FOSSIL BIOSTRATIGRAPHY AND PRESERVATION IN THE DZABKHAN BASIN IN SOUTHWEST MONGOLIA
  Emily F. Smith, Harvard University, Cambridge, MA and Uyanga Bold, Harvard University, Cambridge, MA and Francis A. Macdonald, Harvard University, Cambridge, MA and Dan B. Bradley, Harvard University, Cambridge, MA and Tanya N. Petach, Harvard University, Cambridge, MA
  205462 (Technical Sessions)
• 2:45 PM
  POSSIBLE MARKUELIA EMBRYOS FROM THE EARLY CAMBRIAN (TERRENEUVIAN) YANJIAHE FORMATION IN HEBEI PROVINCE OF SOUTH CHINA
  Jesse S. Broce, Blacksburg, VA and Shuhai Xiao, Virginia Tech, Blacksburg, VA and James Schiffbauer, University of Missouri, Columbia, MO
  211833 (Technical Sessions)
• 3:00 PM
  DIVERSE STEM-GROUP BRACHIOPOD FOSSILS FROM THE LOWER CAMBRIAN OF SOUTH CHINA
  Guoxiang Li, Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, N/A and Zhifei Zhang, Northwest University, Xi'an, N/A
  210806 (Technical Sessions)
• 3:30 PM
  HEMICHORDATES AND ALGAE FROM THE CAMBRIAN (SERIES 3) WHEELER AND MARJUM FORMATIONS (UTAH) AND BURGESS SHALE (BRITISH COLUMBIA)
  Steve T. LoDuca, Eastern Michigan University, Ypsilanti, MI and Anthony Kramer, University of Cincinnati, Cincinnati, OH
  211818 (Technical Sessions)
• 3:45 PM
  IMPLICATIONS OF THE OCCURRENCE OF PAIRED ANTERIOR CHAETAE IN THE LATE EARLY CAMBRIAN MOLLUSC PELAGIELLA FROM THE KINZERS FORMATION OF PENNSYLVANIA FOR RELATIONSHIPS AMONG TAXA AND EARLY EVOLUTION OF THE MOLLUSCA
  Roger D.K. Thomas, Franklin & Marshall College, Lancaster, PA and Jakob Vinther, University of Bristol, Bristol, N/A
  212374 (Technical Sessions)
• 4:00 PM
  A SHORTER FUSE FOR THE CAMBRIAN EXPLOSION?
  Alan J. Kaufman, University of Maryland, College Park, MD and Sara Peek, University of Maryland, College Park, MD and Aaron J. Martin, University of Maryland, College Park, MD and Huan Cui, University of Maryland, College Park, MD and Dmitriy Grazhdankin, Trofimuk Institute of Petroleum Geology and Geophysics, Novosibirsk, N/A and Vladimir Rogov, Trofimuk Institute of Petroleum Geology and Geophysics, Novosibirsk, N/A and Shuhai Xiao, Virginia Tech, Blacksburg, VA and Robert Buchwaldt, Massachusetts Institute of Technology, Cambridge, MA and Samuel Bowring, EARTHTIME, Cambridge, MA
  209514 (Technical Sessions)
• 4:15 PM
  THE CAMBRIAN EXPLOSION: ANIMALS OR FOSSILS?
  Kevin J. Peterson, Dartmouth College, Hanover, NH
  208310 (Technical Sessions)
• 4:35 PM
  THE CAMBRIAN EXPLOSION: THE CONSTRUCTION OF ANIMAL BIODIVERSITY
  Douglas Erwin, Smithsonian Institution, Washington, DC and James W. Valentine, Univ of California, Berkeley, Berkeley, CA
  206549 (Technical Sessions)