Geological Society of America

1:30 PM

Is There Variation In the Microstructure of Ammonite Aptychi?

Isabelle Kruta, Muséum National d'Histoire Naturelle (& American Museum of Natural History, NY), Paris, N/A and Isabelle Rouget, Sorbonne Université, Paris and Neil Landman, American Museum of Natural History, New York, NY and Kazushige Tanabe, Univ of Tokyo, Tokyo, N/A and Fabrizio Cecca, Université Paris VI, CNRS-UMR 5143, Paris, N/A

146000 (Technical Sessions)

1:45 PM

Morphological and Developmental Disparity in Jurassic Ammonites

Sylvain Gerber, Centre National de la Recherche Scientifique, Dijon, N/A

149783 (Technical Sessions)

2:00 PM

Morphological Patterns in Late Ordovician and Early Silurian Graptolites

David W. Bapst, University of Chicago, Chicago, IL and Michael Melchin, St. Francis Xavier Univ, Antigonish, NS and H. David Sheets, Canisius College, Buffalo, NY and Charles Mitchell, SUNY at Buffalo, Buffalo, NY

143184 (Technical Sessions)

2:15 PM

A Reexamination of Ordovician through Early Silurian Crinoid Morphologic Disparity

Bradley Deline, University of Cincinnati, Cincinnati, OH

148173 (Technical Sessions)

2:30 PM

Stable isotope variation along the direction of growth in echinoderm plates

Troy A. Dexter, Virginia Tech, Blacksburg, VA and James D. Schiffbauer, Virginia Tech, Blacksburg, VA

144240 (Technical Sessions)

2:45 PM

Biomarkers in Paleozoic Echinoderms

Christina E. O'Malley, Wright State University, Dayton, OH and William Ausich, Ohio State University, Columbus, OH and Yu-Ping Chin, The Ohio State University, Columbus, OH

149025 (Technical Sessions)

3:00 PM

Segment Development in Silurian Trilobite Aulacopleura Konincki

Paul S. Hong, University of California Riverside, Riverside, CA and Nigel C. Hughes, University of California, Riverside, CA and H. David Sheets, Canisius College, Buffalo, NY

150612 (Technical Sessions)

3:15 PM

Segment Variation in the Cambrian Trilobite Elrathina Cordillerae in the Context of the Burgess Shale Fauna

Michael Bradley Balint, University of California, Riverside, Riverside, CA and Nigel Hughes, Univ of California, Riverside, Riverside, CA and Jean-Bernard Caron, Royal Ontario Museum, Toronto, ON

149017 (Technical Sessions)

3:30 PM

Body Fossil Vs. Ichnofossil: Oldhamia Recta Revisited

R. Christopher Tacker, NC Museum of Natural Sciences, Raleigh, NC and Anthony J. Martin, Emory University, Atlanta, GA and Patricia G. Weaver, NC Museum of Natural Sciences, Raleigh, NC and Daniel, R. Lawver, Montana State University, Bozeman, MT and Lise Williams, Durham Academy, Durham, NC

146828 (Technical Sessions)

3:45 PM

The Evolution of Vascular Plant Cell Wall Chemistry and the Preservation of Fossil Organic Matter as Illuminated by X-Ray Spectromicroscopy

C. Kevin Boyce, Univ of Chicago, Chicago, IL

149358 (Technical Sessions)

4:00 PM

Shifting Functional Requirements in the Evolution of Conifer Pollen Cone Morphology

Andrew B. Leslie, University of Chicago, Chicago, IL

148684 (Technical Sessions)

4:15 PM

Pterodactyl-Inspired Unmanned Aerial Vehicle with Multimodal Locomotion

Sankar Chatterjee, Texas Tech Univ, Lubbock, TX and Richard Lind, 231 Aerospace Building, Gainesville, FL and Andy Gedeon, Texas Tech University, Lubbock, TX and Brian Roberts, University of Florida, Gainesville, FL

141895 (Technical Sessions)

4:30 PM

Origin of Salt-Water Tolerance In Crocodylians

Patrick V. Wheatley, University of California, Santa Cruz, Santa Cruz, CA and Paul L. Koch, University of California Santa Cruz, Santa Cruz, CA

146937 (Technical Sessions)

4:45 PM

Beautiful Losers: The Rise and Fall of the Bivalve Genus Cucullaea

Devin P. Buick, University of Cincinnati, Cincinnati, OH

152094 (Technical Sessions)

5:00 PM

Morphological Response of the Bivalve Genus Chione to Regional Environmental Variation and Anthropogenic Change

Sarah E. Kolbe, University of Cincinnati, Cincinnati, OH and Arnold I. Miller, Univ of Cincinnati, Cincinnati, OH