Geological Society of America

8:05 AM

AN ALTERNATIVE MODEL FOR EARLY PALEOZOIC PYRITE BURIAL

Kalev Hantsoo, Johns Hopkins University, Baltimore, MD and Maya Gomes, Johns Hopkins University, Baltimore, MD and Dana Brenner, Johns Hopkins University, Baltimore, MD and Jeffrey Cornwell, University of Maryland Center for Environmental Science, Cambridge, MD and Cindy Palinkas, University of Maryland Center for Environmental Science, Cambridge, MD

394539 (Technical Sessions)

8:20 AM

NEW VIEWS OF OLD ALGAE: VORONOCLADUS (CHLOROPHYTA) FROM THE SILURIAN OF UKRAINE AND A MAJOR EARLY PALEOZOIC MACROALGAL RADIATION

Steven LoDuca, Eastern Michigan University, Ypsilanti, MI

389651 (Technical Sessions)

8:35 AM

CONSTRAINING REDUCING CONDITIONS IN THE PRAGUE BASIN DURING THE LATE SILURIAN LAU/KOZLOWSKII EXTINCTION EVENT

Chelsie Bowman, Florida State University, Tallahassee, FL and Lindsi Allman, Florida State University, Tallahassee, FL and Jiří Frýda, Czech Geological Survey, Prague and Nevin Kozik, Occidental College, Los Angeles, CA and Jeremy Owens, Florida State University, Tallahassee, FL and Seth Young, Florida State University, Tallahassee, FL

392842 (Technical Sessions)

8:50 AM

EVOLUTION OF THE DEVONIAN EARTH SYSTEM THROUGH THE LENS OF GEOCHEMISTRY: FROM CARBON CYCLING AND ANOXIA TO PLATE TECTONICS

Cole Edwards, Appalachian State University, Boone, NC

392906 (Technical Sessions)

9:10 AM

EARLY TO LATE DEVONIAN HIGH-PALEOLATITUDE SEQUENCES FROM THE FALKLAND ISLANDS AND BOLIVIA, SOUTH AMERICA: TRACKING NUTRIENT INFLUX AND ANOXIC EVENTS

Brooke Vander Pas, Indiana University-Purdue University Indianapolis, Indianapolis, IN and Matthew Smart, United States Naval Academy, Annapolis, MD and William Gilhooly, Indiana University-Purdue University Indianapolis, Indianapolis, IN and Gabriel M. Filippelli, Indiana University-Purdue University Indianapolis, Indianapolis, IN and John Marshall, University of Southampton, National Oceanography Centre, Southampton, Hampshire and Jessica Whiteside, University of Southampton, National Oceanography Centre, Southampton, Hampshire

396042 (Technical Sessions)

9:40 AM

EXPLORING DACRYOCONARID BODY SIZE TRENDS ACROSS THE LATE DEVONIAN PUNCTATA EVENT: INSIGHTS INTO THEIR ECOLOGICAL RESPONSES TO PALEOENVIRONMENTAL SHIFTS

Ashley Prow-Fleischer, Syracuse University, Syracuse, NY and Zonglin Yang, Syracuse University, Syracuse, NY and Zunli Lu, Syracuse University, Syracuse, NY and Kimberly Meehan, The University at Buffalo, Buffalo, NY and Jonathan Payne, Stanford University, Stanford, CA and Linda Ivany, Syracuse University, Syracuse, NY

393973 (Technical Sessions)

9:55 AM

SMALL BUT BITEY: MINIATURE SCOLECODONTS OBSERVED DURING THE LATE DEVONIAN LOWER KELLWASSER EXTINCTION EVENT

Gwyneth Chilcoat, Williams College, Williamstown, MA and Phoebe Cohen, Williams College, Williamstown, MA

391963 (Technical Sessions)

10:10 AM

SMALL BUT MIGHTY: MICROFOSSIL-BASED INSIGHTS INTO THE LATE DEVONIAN LOWER KELLWASSER EVENT

Phoebe Cohen, Williams College, Williamstown, MA and Gwyneth Chilcoat, Williams College, Williamstown, MA and Katherine Pippenger, Yale University, New Haven, CT

395119 (Technical Sessions)

10:25 AM

SHALLOW MARINE NITROGEN CYCLING DURING THE FRASNIAN-FAMENNIAN MASS EXTINCTION IN THE APPALACHIAN BASIN

Sarah Brisson, Bowdoin College, Brunswick, ME and Sarah Brisson, University of Connecticut, Storrs, CT and Michael T. Hren, University of Connecticut, Storrs, CT and J. Andrew Beard, University of Connecticut, Storrs, CT and Andrew Bush, University of Connecticut, Storrs, CT

394306 (Technical Sessions)

T80 The Early Paleozoic III: Radiations, Extinctions, and Environment

Presentations