2007 GSA Denver Annual Meeting (28–31 October 2007)

Session No. 4
Sunday, 28 October 2007: 8:00 AM-12:00 PM

Paleontology I: Morphology, Evolution, and Environment

 

Andrew B. Leslie and Andrew Webber, Chairs
Paper #
Start Time
1
8:00 AM
EMPIRICAL INSIGHTS INTO MULTILEVEL SELECTION THROUGH TRANSITIONS FROM SOLITARY TO COLONIAL ORGANISMS
SIMPSON, Carl, Biology, Duke University, Box 90338, Durham, NC 27708, cgs7@duke.edu, cgs7@duke.edu
2
8:15 AM
MEASUREMENT DEPENDENCY, SCALE DEPENDENCY, AND THE EFFECT OF PHYLOGENETIC AUTOCORRELATION IN GEOMETRIC APPROACHES TO MORPHOLOGICAL DISPARITY ANALYSES
MACLEOD, Norman, The Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom and KRIEGER, J., Department of Palaeontology, The Nat History Museum, Cromwell Road, London, SW7 5BD, J.Krieger@nhm.ac.uk, J.Krieger@nhm.ac.uk
3
8:30 AM
MORPHOLOGICAL CHANGE IN CLOSELY-RELATED CAMBRIAN TRILOBITES DURING AN INTERVAL OF ENVIRONMENTAL CHANGE
HOPKINS, Melanie J., Department of Geophysical Sciences, University of Chicago, 5734 S. Ellis Ave, Chicago, IL 60637 and WEBSTER, Mark, Dept. of Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637, mjh@uchicago.edu, mjh@uchicago.edu
4
8:45 AM
MORPHOLOGICAL PATTERNS WITHIN NARROW RANGES OF ENVIRONMENTAL CONDITIONS
WEBBER, Andrew J., Department of Geology, Miami University Hamilton, 1601 University Blvd, Hamilton, OH 45011, HUNDA, Brenda R., Collections and Research, Cincinnati Museum Center, 1301 Western Avenue, Cincinnati, OH 45203 and THOMPSON, Autumn, Department of Earth Sciences, University of California Riverside, Riverside, CA 92521, webberaj@muohio.edu, webberaj@muohio.edu
5
9:00 AM
BECOMING YOUNGER WHILE GETTING COLDER: EXPLORING THE EVOLUTIONARY ROLE OF HETEROCHRONY IN LONG-LIVED BIVALVES FROM THE EOCENE OF SEYMOUR ISLAND, ANTARCTICA
BUICK, Devin P., Department of Geology, Univ of Cincinnati, 500 Geology Physics Building, University of Cincinnati, Cincinnati, OH 45221-0013 and IVANY, Linda C., Department of Earth Sciences, Syracuse University, Department of Earth Sciences, Syracuse University, Syracuse, NY 13244, buickdp@email.uc.edu, buickdp@email.uc.edu
6
9:15 AM
IDENTITY OF BIOMARKER MOLECULES FROM MISSISSIPPIAN (PALEOZOIC) CRINOIDS
O'MALLEY, Christina E., AUSICH, William I. and CHIN, Yu-Ping, School of Earth Sciences, The Ohio State University, 275 Mendenhall Laboratory, 125 South Oval Mall, Columbus, OH 43210-1308, omalley.47@osu.edu, omalley.47@osu.edu
7
9:30 AM
THREE-DIMENSIONAL FINITE ELEMENT ANALYSIS OF EXTINCT SHARK TEETH
WHITENACK, Lisa B.1, SIMKINS, Daniel C.2 and MOTTA, Philip J.1, (1)Department of Biology, University of South Florida, 4202 E. Fowler Ave, SCA 110, Tampa, FL 33620, (2)Department of Civil & Environmental Engineering, University of South Florida, 4202 E. Fowler Ave, ENB 118, Tampa, FL 33620, whitenac@mail.usf.edu, whitenac@mail.usf.edu
 
9:45 AM
Break
8
10:00 AM
PHYLOGENETIC SIGNAL IN LEAF TRAITS USED FOR PALEOCLIMATE ESTIMATIONS
LITTLE, Stefan A., Dept. of Plant Sciences, University of California, Davis, Davis, CA 95616, KEMBEL, Steven, Department of Integrative Biology, University of California, 3060 Valley Life Sciences, Building #314, Berkeley, CA 94720-3140, WILF, Peter, Dept. of Geosciences, Pennsylvania State University, University Park, PA 16802, ROYER, Dana L., Department of Earth and Environmental Sciences, Wesleyan University, Exley Science Center 445 (265 Church St.), Middletown, CT 06459-0139 and CARIGLINO, Barbara, Dept. of Geosciences, Pennsylvania State Univ, University Park, PA 16802, dslittle@ucdavis.edu, dslittle@ucdavis.edu
9
10:15 AM
SEEING THE FOREST WITH THE LEAVES—CLUES OF CANOPY PLACEMENT FROM LEAF VENATION CHARACTERISTICS
BOYCE, C. Kevin, Geophysical Sciences, Univ of Chicago, 5734 S. Ellis Ave, Chicago, IL 60637, ckboyce@uchicago.edu, ckboyce@uchicago.edu
10
10:30 AM
INTERPRETING THE FUNCTION OF SACCATE POLLEN IN ANCIENT SEED PLANTS
LESLIE, Andrew B., Department of Geophysical Sciences, University of Chicago, 5734 S. Ellis Avenue, Chicago, IL 60637, aleslie@uchicago.edu, aleslie@uchicago.edu
11
10:45 AM
THE EFFECT OF CLIMATE ON THE PALEOBIOGEOGRAPHY OF THE SUBFAMILY EQUINAE DURING THE MIOCENE AND PLIOCENE IN NORTH AMERICA
MAGUIRE, Kaitlin Clare, Department of Geological Sciences, Ohio University, 316 Clippinger Lab, Athens, OH 45701 and STIGALL, Alycia L., Department of Geological Sciences and OHIO Center for Ecology and Evolutionary Studies, Ohio University, 316 Clippinger Laboratories, Athens, OH 45701, km197206@ohio.edu, km197206@ohio.edu
12
11:00 AM
EVOLUTION OF CAMELID PODIALS AND CONSEQUENCES FOR ESTIMATION OF MIOCENE MAMMAL DIVERSITY IN THE GREAT BASIN
DAVIS, Edward, Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, daviseb@berkeley.edu, daviseb@berkeley.edu
13
11:15 AM
INFLUENCE OF HABITAT AND SOIL TYPE ON THE EVOLUTION OF BURROWING IN MAMMALS
HOPKINS, Samantha S.B., Clark Honors College and Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403, shopkins@uoregon.edu, shopkins@uoregon.edu