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Activity

2014

• GRAPTOLITE COMMUNITY RESPONSES TO LATE ORDOVICIAN CLIMATE CHANGE, THRESHOLD EFFECTS AND THE HIRNANTIAN MASS EXTINCTION
  T160 Critical Earth-Life Transitions: The Marine Perspective
  Monday, 20 October 2014

  1:00 PM - 5:00 PM

  114/115

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2013

• CHANGING PLANKTON COMMUNITY STRUCTURE IN THE LATE KATIAN-EARLY HIRNANTIAN: EVIDENCE FROM GRAPTOLITES AND NITROGEN ISOTOPES
  T90 Biological and Environmental Feedbacks in the Colonization of the Water Column
  Sunday, 27 October 2013

  1:00 PM - 5:00 PM

  Room 603

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2012

• CHANGING OCEANIC CONDITIONS THROUGH THE LATE ORDOVICIAN GLACIATION INTO THE EARLIEST SILURIAN GLOBAL ANOXIC EVENT: EVIDENCE FROM BLACK SHALES AND NITROGEN ISOTOPES
  6 SPECIAL SESSION: GSA BULLETIN: 125th Celebration Presentations I
  Sunday, 4 November 2012

  8:00 AM - 12:00 PM

  Ballroom B

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2011

• EVENNESS AND SPECIES ABUNDANCE IN GRAPTOLITE COMMUNITIES: A NEW PROXY FOR CLIMATE CHANGE DURING THE END ORDOVICIAN MASS EXTINCTION
  27 Paleontology (Posters) I: Ecology and Phylogeny
  Sunday, 9 October 2011

  9:00 AM - 6:00 PM

  Hall C

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2008

• Ecological Reorganization of Graptolite Communities during the Hirnantian Mass Extinction
  T285 Recoveries from Mass Extinction: Patterns, Processes, and Comparisons I
  Wednesday, 8 October 2008

  8:00 AM - 12:00 PM