Geological Society of America

1:30 PM

EVOLUTION AND THE HISTORY OF LIFE: TEMPO, MODE, AND TIME SCALE

Philip D. Gingerich, University of Michigan, Ann Arbor, MI

210523 (Technical Sessions)

1:45 PM

PUNCTUATED EQUILIBRIUM MEETS MOSAIC EVOLUTION: WHAT HAPPENS WHEN WE UNPACK TRAITS AND TRENDS?

Scott Lidgard, Field Museum, Chicago, IL and Melanie Hopkins, Museum für Naturkunde, Berlin, N/A

208069 (Technical Sessions)

2:00 PM

SPECTACULAR SUMMIT STRUCTURES IN THE MIDDLE CAMBRIAN EOCRINOID GOGIA FROM NORTHERN UTAH

James Sprinkle, Jackson School of Geosciences, Austin, TX and Bryan C. Wilbur, Pasadena City College, Pasadena, CA

212809 (Technical Sessions)

2:15 PM

BLASTOIDEA: RECONSTRUCTING THE ECHINODERM TREE OF LIFE

James W. Atwood, University of Tennessee, Knoxville, TN and Johnny A. Waters, Appalachian State University, Boone, NC and Colin Sumrall, University of Tennessee, Knoxville, TN

207534 (Technical Sessions)

2:45 PM

ORAL REGION HOMOLOGIES IN EARLY PALEOZOIC PELMATOZOANS

Thomas W. Kammer, West Virginia University, Morgantown, WV and William I. Ausich, The Ohio State University, Columbus, OH and Colin Sumrall, University of Tennessee, Knoxville, TN and Bradley Deline, University of West Georgia, Carrollton, NY

205225 (Technical Sessions)

3:00 PM

EVOLUTIONARY PATHWAYS OF THE CRINOID ORAL REGION

William I. Ausich, The Ohio State University, Columbus, OH and Thomas W. Kammer, West Virginia University, Morgantown, WV and Bradley Deline, University of West Georgia, Carrollton, NY and Colin Sumrall, University of Tennessee, Knoxville, TN

205284 (Technical Sessions)

3:15 PM

MICROEVOLUTIONARY RESPONSE IN LOWER MISSISSIPPIAN CAMERATE CRINOIDS TO PREDATORY PRESSURES

Jeffrey R. Thompson, Columbus, OH and William I. Ausich, The Ohio State University, Columbus, OH

206961 (Technical Sessions)

3:30 PM

EVOLUTIONARY RESPONSE IN PALEOZOIC CRINOID ARM BRANCHING PATTERNS TO GRAZING PREDATORS

V.J. Syverson, University of Michigan, Ann Arbor, MI and Tomasz K. Baumiller, University of Michigan, Ann Arbor, MI

211522 (Technical Sessions)

3:45 PM

CAPTURING THE FUNCTIONAL VARIETY OF EARLY GNATHOSTOMES: A CASE STUDY USING CLADISTIC CHARACTERS AND BIOMECHANICAL TRAITS

Philip S.L. Anderson, University of Massachusetts, Amherst, MA and Matt Friedman, University of Oxford, Oxford

209850 (Technical Sessions)

4:15 PM

TESTING COPE'S RULE AND THE EXISTENCE OF AN UPPER BOUND FOR BODY SIZE IN NON-AVIAN DINOSAURS

Gene Hunt, Smithsonian Institution, Washington, DC and Richard G. FtizJohn, University of British Columbia, Vancouver, BC and Matthew Carrano, Smithsonian Institution Paleobiology, Washington, DC

211594 (Technical Sessions)

4:30 PM

BODY MASS EVOLUTION AND DIVERSIFICATION WITHIN THE EQUIDAE FAMILY

Lauren G. Shoemaker, University of Colorado at Boulder, Boulder, CO and Aaron Clauset, University of Colorado at Boulder, Boulder, CO

210241 (Technical Sessions)

4:45 PM

THE SEEDY SIDE OF PLANT ECOLOGY: EVOLUTIONARY RATES, MORPHOLOGICAL DIVERSITY, AND THE EVOLUTION OF SEED SIZE

Hallie Sims, University of Iowa, Iowa City, IA

210341 (Technical Sessions)

5:00 PM

QUANTITATIVE ASSESSMENT OF CORAL COLONY SHAPES USING 3D SHAPE DESCRIPTORS

Jikhan Jung, University of Iowa, Iowa City, IA