2006 Philadelphia Annual Meeting (22–25 October 2006)

Session No. 196
Wednesday, 25 October 2006: 8:00 AM-12:00 PM

T112. Extinction, Dwarfing and the Lilliput Effect

Paleontological Society

 

Richard J. Twitchett and Bridget S. Wade, Advocates
Paper #
Start Time
1
8:00 AM
SPECIES DWARFING BY DETERMINISTIC NATURAL SELECTION
WITTING, Lars, Greenland Institute of Natural Resources, P. O. Box 570, Nuuk, DK-3900, Greenland, lawi@natur.gl, lawi@natur.gl
2
8:20 AM
WHAT DOES THE “LILLIPUT EFFECT” MEAN?
HARRIES, Peter J., Department of Geology, University of South Florida, 4202 E. Fowler Ave, SCA 528, Tampa, FL 33620 and KNORR, Paul O., Department of Geology, University of South Florida, 4202 E. Fowler Ave., SCA 528, SCA 528, Tampa, FL 33620, harries@shell.cas.usf.edu, harries@shell.cas.usf.edu
3
8:35 AM
SIZE, EXTINCTION, SURVIVORSHIP AND PHYLOGENY IN FORAMINIFERA
MACLEOD, Norman, The Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, N.MacLeod@nhm.ac.uk, N.MacLeod@nhm.ac.uk
4
8:55 AM
ENVIRONMENTAL CONTROLS ON BODY SIZE IN THE PERMIAN AND EARLY TRIASSIC
TWITCHETT, Richard J., School of Earth, Ocean and Environmental Science, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, United Kingdom, richard.twitchett@plymouth.ac.uk, richard.twitchett@plymouth.ac.uk
 
9:10 AM
Break
5
9:25 AM
TRENDS IN BODY SIZE ACROSS THE END-CRETACEOUS AND EARLY CENOZOIC EXTINCTIONS IN VENEROID BIVALVES
LOCKWOOD, Rowan, Department of Geology, The College of William and Mary, PO Box 8795, Williamsburg, VA 23187, rxlock@wm.edu, rxlock@wm.edu
6
9:45 AM
QUANTIFICATION OF PLANKTON SIZE AND FLUX CHANGES ACROSS THE CRETACEOUS/PALEOCENE EXTINCTION
BRALOWER, Timothy J., GELESKIE, Sara, ARTHUR, Michael A. and ECCLES, Laurie, Department of Geosciences, Pennsylvania State University, University Park, PA 16802, bralower@geosc.psu.edu, bralower@geosc.psu.edu
7
10:00 AM
PHYLOGENY AND PALEOBIOGEOGRAPHY OF PLATYSIAGIFORM STEM ACTINOPTERYGIANS
MUTTER, Raoul Josua, Department of Palaeontology, Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, R.Mutter@nhm.ac.uk, R.Mutter@nhm.ac.uk
8
10:15 AM
DWARFING AND EXTINCTION IN EOCENE AND OLIGOCENE PLANKTONIC FORAMINIFERA
WADE, Bridget S., Institute of Marine and Coastal Science, Rutgers, The State University of New Jersey, 71 Dudley Rd, New Brunswick, NJ 08901-852, bwade@rci.rutgers.edu, bwade@rci.rutgers.edu
 
10:30 AM
Break
9
10:45 AM
CALIFORNIA ISLANDS PYGMY MAMMOTHS (MAMMUTHUS EXILIS): THEIR ORIGIN, AGE, SIZE AND EXTINCTION
AGENBROAD, Larry D., Profesor Emeritus Geology Department, Northern Arizona University; Director, Mammoth Site of Hot Springs, SD, PO Box 692, Hot Springs, SD 57747, Larry4mammoth@mammothsite.com, Larry4mammoth@mammothsite.com
10
11:00 AM
EMPTY HOUSE: IS THE LILLIPUT EFFECT IN EARLY TRIASSIC AND EARLY JURASSIC GASTROPODS A CONSEQUENCE OF REDUCED SPECIES-RICHNESS WITHIN GENERA?
PAYNE, Jonathan L., Department of Geological and Environmental Sciences, Stanford University, 450 Serra Mall, Bldg 320, Stanford, CA 94305, NÜTZEL, Alexander, Institut für Paläontologie, Universität Erlangen-Nürnberg, Loewenichstrasse 28, Erlangen, D-91054, Germany and CHANG, Ellen T., Northern California Cancer Center and Stanford University, 2201 Walnut Avenue, Suite 300, Fremont, CA 94538, jlpayne@stanford.edu, jlpayne@stanford.edu
11
11:15 AM
CLIMATICALLY-DRIVEN MACROEVOLUTIONARY TRAJECTORIES IN THE SIZE OF MARINE PHYTOPLANKTON
FINKEL, Zoe V., Evironmental Science Program, Mount Allison University, Sackville, NB E4L 1A5, Canada, zfinkel@mta.ca, zfinkel@mta.ca
12
11:30 AM
HOW UNUSUAL IS THE EARLY TRIASSIC SHALLOW MARINE FAUNA?
TAYLOR, Paul D.1, SMITH, Andrew B.2 and MCGOWAN, Alistair J.2, (1)Department of Earth Sciences, Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, (2)Department of Palaeontology, Natural History Museum, Cromwell Road, London, SW7 5BD, United Kingdom, a.mcgowan@nhm.ac.uk, a.mcgowan@nhm.ac.uk
13
11:45 AM
K/T MASS EXTINCTION AND THE LILLIPUT EFFECT: CONSEQUENCES OF IMPACTS, VOLCANISM AND CLIMATE CHANGE
KELLER, Gerta, Geosciences, Princeton Univ, Guyot Hall, Princeton, NJ 08544, gkeller@princeton.edu, gkeller@princeton.edu
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