UNIVERSITY OF PENNSYLVANIA
DEPARTMENT OF EARTH & ENVIRONMENTAL SCIENCE
AND
NATIONAL MUSEUM OF NATURAL HISTORY
DEPARTMENT OF PALEOBIOLOGY

PRESENT

GEOBIOLOGY SYMPOSIUM XI
Paleontology - Paleobiology - Geobiology

Friday, February 28, 2003
358 Hayden Hall, Department of Earth and Environmental Science



10:30 Welcome


10:40 Steve C. WANG

Statistics, Swarthmore College
Sudden, Gradual, or Stepwise? Expanding the Null Hypothesis in Statistical Tests of Mass Extinction

11:10 Ronald E. MARTIN

Geology, University of Delaware
Marine Primary Productivity through Time: A Test of the Nutrient Hypothesis and its Implications for the Fossil Record


11:40 Peter WILF

Geosciences, Pennsylvania State University
Antiquity of Extraordinary Plant Diversity in South America: Evidence from early Eocene Patagonia


12:10 LUNCH

1:00 Ian MACINTYRE

Paleobiology, National Museum of Natural History
Carbonate Hydroxylapatite in Gorgonian Octocorals: A Relic of an Earlier Fossil Record of Phosphatic Sceletons in Invertebrates?


1:30 Scott WING

Paleobiology, National Museum of Natural History
Some Ideas about Calculating and Comparing Rates of Change in the Fossil Record

2:00 Emily G. ALLEN

Evolutionary Biology, University of Chicago
Quantifying Variability among Forms: A New Look at the Paleozoic Ammonoid Morphospace

2:30 COFFEE BREAK

3:00 Arthur H. JOHNSON, C.J. WILLIAMS, B.A. LePAGE & D.R. VANN

Earth & Environmental Science, University of Pennsylvania
Ecology, Biomass, and Productivity of Paleocene and Eocene Polar Forests

3:30 Kenneth J. LACOVARA

Geology, Drexel University
What is a Mangrove?

4:00 Richard LUND

Carnegie Museum of Natural History
Depositional Environment of a Fossil Lagerstaette: The Late Mississippian Bear Gulch Limestone, Montana

4:30 Peter N. NASSAR

Geology, Bryn Mawr College
Entrainment and Gearing in the Avian Respiratory System: What are the Implications for Bipedal Dinosaurs?