2009 Portland GSA Annual Meeting (18-21 October 2009)

Session No. 146
Tuesday, 20 October 2009: 8:00 AM-12:00 PM
Portland Ballroom 256 (Oregon Convention Center)

Paleontology: Predation & Diet

 

Christy Visaggi and Gwen M. Daley, Chairs
Paper #
Start Time
1
8:00 AM
THE WELL-DEFENDED BRACHIOPOD: YOU DON'T HAVE TO TASTE BAD TO LIVE WELL
TYLER, Carrie L., Natural History, University of Florida, 1659 Museum Rd, PO Box 117800, Gainesville, FL 32611, LEIGHTON, Lindsey R., Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, CARLSON, Sandra J., Department of Geology, University of California, Davis, One Shields Ave, Davis, CA 95616, HUNTLEY, John Warren, Geological Sciences, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211, KRAUSE Jr, Richard A., Department of Geology & Geophysics, Yale University, New Haven, CT 06520 and KOWALEWSKI, Michal, Florida Museum of Natural History, University of Florida, 1659 Museum Road, PO Box 117800, Gainesville, FL 32611, ctylersa@flmnh.ufl.edu, ctylersa@flmnh.ufl.edu
2
8:15 AM
ANTI-PREDATORY SPINES ON BRACHIOPODS? EXAMINING LITTLE BRACHIOPODS WITH DENTS
AHMED, Madeeha, Earth and Atmospheric Sciences, University of Alberta, ESB 1-26, Edmonton, AB T6G 2E3, Canada and LEIGHTON, Lindsey R., Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, madeeha@ualberta.ca, madeeha@ualberta.ca
3
8:30 AM
TRACES OF PREDATION AND PARASITISM RECORDED IN EOCENE ECHINOIDS AND BRACHIOPODS FROM THE CASTLE HAYNE LIMESTONE, NORTH CAROLINA, USA
SCHIMMEL, Majken K., Department of Geosciences, Virginia Tech, 4044 Derring Hall (0420), Blacksburg, VA 24061 and KOWALEWSKI, Michal, Florida Museum of Natural History, University of Florida, 1659 Museum Road, PO Box 117800, Gainesville, FL 32611, majken5@vt.edu, majken5@vt.edu
4
8:45 AM
EXCEPTIONALLY PRESERVED SHELL BORINGS IN THE MIO-PLIOCENE ALEXANDRIA FORMATION, EASTERN CAPE, SOUTH AFRICA
GOODWIN, David H., Department of Geosciences, Denison University, FW Olin Science Hall, 100 Sunset Hill Drive, Granville, OH 43023, ROBERTS, Eric M., Earth and Environmental Sciences, James Cook University, Townsville, 4810, Australia and DE KLERK, William J., Department of Earth Sciences, Albany Museum, Grahamstown, South Africa, goodwind@denison.edu, goodwind@denison.edu
5
9:00 AM
FEEDING MECHANISM OF LARGE MESOZOIC FOSSIL CHIMAEROIDS (CHONDRICHTHYES, HOLOCEPHALI): HOW LARGE A SHELL COULD THEY CRUSH?
SHIN, Ji-Yeon and MOTANI, Ryosuke, Department of Geology, University of California, Davis, One Shields Ave, Davis, CA 95616, jnshin@ucdavis.edu, jnshin@ucdavis.edu
6
9:15 AM
PENETRATION AND CONSUMPTION RATES IN DRILLING GASTROPODS: A COST-BENEFIT APPROACH EVALUATING FEEDING STRATEGIES
CHATTOPADHYAY, Devapriya, Department of Earth Sciences, IISER Kolkata, Mohanpur, 741246, India and BAUMILLER, Tomasz K., Museum of Paleontology, University of Michigan, 1109 Geddes, Ann Arbor, MI 48109-1079, devapriya@iiserkol.ac.in, devapriya@iiserkol.ac.in
7
9:30 AM
VARIATION IN GASTROPOD BOREHOLE FREQUENCY WITHIN THE SAME PREY SPECIES FROM SIMILAR PALEOENVIRONMENTAL SETTINGS IN THE FORT THOMPSON AND BERMONT FORMATIONS OF FLORIDA
DALEY, Gwen M., Department of Chemistry, Physics, and Geology, Winthrop University, Rock Hill, SC 29732, GATTI, Daniella, Department of Chemistry, Physics and Geology, Winthrop University, Rock Hill, SC 29732, OSTROWSKI, Summer, Geological Sciences, Michigan State University, 206 Natural Science Building, East Lansing, MI 48824, GEARY, Dana H., Dept. of Geoscience, Univ of Wisconsin-Madison, 1215 W. Dayton St, Madison, WI 53706 and BUSH, Andrew M., Ecology and Evolutionary Biology and Center for Integrative Geosciences, University of Connecticut, 75 N. Eagleville Road, Unit 3043, Storrs, CT 06269, daleyg@winthrop.edu, daleyg@winthrop.edu
 
9:45 AM
Break
8
10:00 AM
THE INFLUENCE OF PREDATION ON COMMUNITY COMPOSITION AND EVENNESS: A CASE-STUDY FROM EOCENE MOLLUSCAN COMMUNITIES
LEIGHTON, Lindsey R., Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, KELLEY, Patricia H., Department of Geography and Geology, University of North Carolina Wilmington, 601 South College Road, Wilmington, NC 28403-5944 and HANSEN, Thor A., Geology, Western Washington Univ, Bellingham, WA 98225, lindseyrleighton@gmail.com, lindseyrleighton@gmail.com
9
10:15 AM
EVOLUTIONARY IMPLICATIONS OF GASTROPOD PREDATION ON IRREGULAR ECHINOIDS REPRESENTING DIFFERENT ECOLOGICAL BURROWING TIERS, LATE EOCENE, FLORIDA
MILLER, Justin M., Department of Geology, University of Georgia, Athens, GA 30602-2501 and WALKER, Sally E., Department of Geology, University of Georgia, Athens, GA 30602, justin83@uga.edu, justin83@uga.edu
10
10:30 AM
THE EFFECT OF PREDATION ON PHENOTYPIC PLASTICITY IN THE HOLOCENE POND SNAIL HELISOMA NEWBERRYI
GOLDSMITH, David W., Department of Geology, Westminster College, 1840 South 1300 East, Salt Lake City, UT 84105, dgoldsmith@westminstercollege.edu, dgoldsmith@westminstercollege.edu
11
10:45 AM
THE PLIO-PLEISTOCENE EXTINCTIONS IN FLORIDA AND THE ECOLOGY OF DUROPHAGOUS PREDATOR-PREY INTERACTIONS
PIETSCH, Carlie, Earth Sciences, University of Southern California, 3651 Trousdale Parkway, Zumberge Hall of Science, Los Angeles, CA 90089, DIETL, Gregory, Paleontological Research Institution, 1259 Trumansburg Road, Ithaca, NY 14850 and HERBERT, Greg, Department of Geology, University of South Florida, 4202 E. Fowler Avenue, SCA 528, Tampa, FL 33620, cpietsch@usc.edu, cpietsch@usc.edu
12
11:00 AM
PRELIMINARY RESULTS: LATITUDINAL VARIATION IN DRILLING PREDATION ON BIVALVES ACROSS FOUR ECOREGIONS IN BRAZIL
VISAGGI, Christy C., Biology and Marine Biology, University of North Carolina Wilmington, 601 South College Road, Wilmington, NC 28403-5915 and KELLEY, Patricia H., Geography and Geology, University of North Carolina Wilmington, 601 South College Road, Wilmington, NC 28403-5944, ccv9261@uncw.edu, ccv9261@uncw.edu
13
11:15 AM
PHYLOGENETIC AND ONTOGENETIC VARIATION IN LUICIND BIVALVES: TESTING WHETHER MORPHOMETRICS CAN TRACE THE FOSSIL RECORD OF ENDOSYMBIOSIS
ANDERSON, Laurie C., Geology and Geological Engineering, South Dakota School of Mines and Technology, 501 East St. Joseph St, Rapid City, SD 57702, Laurie.Anderson@sdsmt.edu, Laurie.Anderson@sdsmt.edu
14
11:30 AM
CHANGES IN DIET THROUGH TIME IN THE MESOGAULINAE (MAMMALIA: RODENTIA: MYLAGAULIDAE) IN THE CONTEXT OF THE SPREAD OF GRASSLANDS: MICROWEAR RESULTS USING TEXTURE ANALYSIS AT HIGH MAGNIFICATION
CALEDE, Jonathan J., Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403 and HOPKINS, Samantha S.B., Clark Honors College and Geological Sciences, Univ of Oregon, 1272 University of Oregon, Eugene, OR 97403, jcalede@uoregon.edu, jcalede@uoregon.edu
15
11:45 AM
THE FIRST OCCURRENCE OF POSTCRANIAL ELEMENTS OF A LEPTARCTINE (MAMMALIA: CARNIVORA: MUSTELIDAE) AND NEW CRANIAL MATERIAL OF LEPTARCTUS OREGONENSIS: IMPLICATIONS FOR THE ECOLOGY OF THIS EXCEPTIONALLY RARE CARNIVORAN TAXON
KEHL, Winifred A., CALEDE, Jonathan J. and DAVIS, Edward Byrd, Department of Geological Sciences, University of Oregon, 1272 University of Oregon, Eugene, OR 97403, winifredkehl@gmail.com, winifredkehl@gmail.com