GSA Connects 2023 Meeting in Pittsburgh, Pennsylvania

Session No. 117
Monday, 16 October 2023: 1:30 PM-5:30 PM
306 / 307 (David L Lawrence Convention Center)

D26. Recent Developments in Paleoecology and Taphonomy I

 

Anna Whitaker and Cassandra Bennett, Chairs
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
MINERALOGY AND CHEMISTRY OF PRECAMBRIAN MOLAR TOOTH STRUCTURES
KRISCAUTZKY, Agustin, School of Physical Sciences, Geology Program, University of Arkansas at Little Rock, Little Rock, AR 72204, KAH, Linda C., Earth and Planetary Sciences, University of Tennessee, Knoxville, TN 37996 and COLOMBO, Fernando, Instituto de Evolución, Ecología Histórica y Ambiente, CONICET, Urquiza 314, San Rafael, Mendoza M5600, Argentina; Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Mineralogía, Universidad Nacional de Córdoba, Vélez Sarsfield 1611, Córdoba, Córdoba X5016GCA, Argentina
1:50 PM
REEF-LECTING ON CAMBRIAN COMMUNITIES: TAXONOMIC REVISION AND LATERAL DISTRIBUTIONS OF SMALL SHELLY FAUNAS FROM REEF-ADJACENT FACIES OF THE UPPER HARKLESS FORMATION, NEVADA
BENNETT, Cassandra1, JACQUET, Sarah1, MATE, Clare2 and SCHIFFBAUER, James3, (1)Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, University of Missouri, Columbia, MO 65211, (2)Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg., University of Missouri, Columbia, MO 65211, (3)Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211
2:05 PM
INTERPRETATIONS OF THE DEPOSITIONAL ENVIRONMENTS OF THE SILURIAN ERAMOSA LAGERSTÄTTE
WHITAKER, Anna, Department of Chemical and Physical Sciences, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada, SCHIFFBAUER, James, Department of Geological Sciences, University of Missouri, 101 Geological Sciences Bldg, Columbia, MO 65211; X-ray Microanalysis Lab, University of Missouri, 101 Geological Sciences Building, Columbia, MO 65211 and LAFLAMME, Marc, Department of Chemical and Physical Sciences, University of Toronto Mississauga, 3359 Mississauga Rd, Mississauga, ON L5L 1C6, Canada
2:20 PM
REVISED CLASSIFICATION AND PALEOECOLOGY OF THE DEVONIAN STEMLESS CRINOID GENUS EDRIOCRINUS HALL, 1858
HERBERT, Catherine E. and ETTENSOHN, Frank, Department of Earth & Environmental Sciences, University of Kentucky, 101 Slone Building, 121 Washington St., Lexington, KY 40506
 
2:35 PM
Break
2:50 PM
PALEOECOLOGY OF EPIZOANS ON THE MIDDLE DEVONIAN BRACHIOPOD PARASPIRIFER BOWNOCKERI
VANTOORENBURG, Haley1, ORMAN, Sydney2, ANDERSON, Lian C.3, ECCLES, Jackson2, SHEFFIELD, Sarah4 and BAUER, Jennifer E.2, (1)Department of Natural Sciences, University of West Georgia, 1601 Maple St, Carrollton, GA 30118, (2)Museum of Paleontology, University of Michigan, Research Museum Center, Suite 1820, 3600 Varsity Drive, Ann Arbor, MI 48108, (3)Earth and Environmental Sciences, University of Michigan, 1100 North University Ave, Ann Arbor, MI 48108-2463, (4)School of Geosciences, University of South Florida, 4202 E. Fowler Avenue, NES 107, Tampa, FL 33620-5550
3:05 PM
EYES OR EYESPOTS: INVESTIGATION INTO THE VISUAL ORGANS OF GILPICHTHYS GREENEI, A STEM HAGFISH FROM THE LATE CARBONIFEROUS MAZON CREEK FOSSIL ASSEMBLAGE
MCCOY, Victoria, Department of Geosciences, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, YOUNG, Andrew, Dave and Sandra Douglass Collection, Brookfield, IL 60513, PARDO, Jason, Field Museum of Natural History, Chicago, IL 60605, SADABADI, Hamed, Department of Materials Science and Engineering, University of Wisconsin-Milwaukee, Milwaukee, WI 53211, MANN, Arjan, National Museum of Natural History at Smithsonian Institution, Washington, DC 20013 and MIYASHITA, Tetsuto, Canadian Museum of Nature, Ottowa, ON K1P 6P4, Canada
3:20 PM
INTER-TOOTH VARIABILITY IN CA STABLE ISOTOPES COMPLICATES DINOSAUR PALEOECOLOGICAL RECONSTRUCTIONS
NORRIS, Liam, 3011 Whitis Ave Apt 202, Austin, TX 78705-2901, MARTINDALE, Rowan, Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, 2305 Speedway, Stop C1160, Austin, TX 78712-1692, FRICKE, Henry, Geology Department, Colorado College, Colorado Springs, CO 80903 and SATKOSKI, Aaron M., Department of Geological Sciences, Jackson School of Geosciences, The University of Texas at Austin, Austin, TX 78712
3:35 PM
MULTI-PROXY GEOCHEMICAL ANALYSES REVEAL NICHE-PARTITIONING OF AQUATIC VERTEBRATE COMMUNITIES IN COASTAL PLAIN DEPOSITS FROM THE UPPER CRETACEOUS OF WESTERN NORTH AMERICA
CULLEN, Thomas, Department of Geosciences, Auburn University, 2050 Beard Eaves Coliseum, Auburn University, Auburn, AL 36849; Negaunee Integrative Research Center, Field Museum of Natural History, 1400 S Lake Shore Drive, Chicago, IL 60605; Ottawa-Carleton Geoscience Centre, Department of Earth Sciences, Carleton University, 1125 Colonel By Drive, Ottawa, ON K1S 5B6, Canada and COUSENS, Brian, Isotope Geochemistry and Geochronology Research Centre, Carleton University, 1125 Colonel By Drive, Herzberg Laboratories, Ottawa, ON K1S 5B6, Canada
 
3:50 PM
Break
4:05 PM
TROPHIC SEPARATION OF LATE CRETACEOUS SHARKS IN THE NORTHERN GULF OF MEXICO: EVIDENCE FROM THE NITROGEN ISOTOPES OF TOOTH ENAMELOID
COMANS, Chelsea1, SMART, Sandi M.2, KAST, Emma R.3, LU, YueHan1, LÜDECKE, Tina2, LEICHLITER, Jennifer N.2, SIGMAN, Daniel4, IKEJIRI, Takehito5 and MARTÍNEZ-GARCÍA, Alfredo2, (1)Department of Geological Sciences, The University of Alabama, Tuscaloosa, AL 35487, (2)Max Planck Institute for Chemistry, Mainz, Germany, (3)Department of Earth Sciences, University of Cambridge, Cambridge, United Kingdom, (4)Geosciences Department, Princeton University, Princeton, NJ 08544, (5)Alabama Museum of Natural History (paleontology), The University of Alabama, Box 870340, Tuscaloosa, AL 35487; Department of Geological Sciences, University of Alabama, Tuscaloosa, AL 35401
4:20 PM
THE EARLY HISTORY OF SEED PREDATORS ON COCONUTS: MORE TROUBLE IN PARADISE
LABANDEIRA, Conrad, Smithsonian Institution, National Museum of Natural History, Department of Paleobiology, P.O. Box 37012, Washington, DC 20013-7012, GIRALDO CERON, Luis, Geosciences and Earth and Environmental Systems Institute, Pennsylvania State University, University Park, PA 16802, CARVALHO, Monica, Earth and Environmental Sciences and Museum of Paleontology, University of Michigan, Ann Arbor, MI 48109-1085 and HERRERA, Fabiany, Negaunee Integrative Research Center, Field Museum of Natural History, Chicago, IL 60605-2496
4:35 PM
INSECT-FEEDING TRACES FROM EOCENE PATAGONIA REVEAL UNRECOGNIZED EVOLUTIONARY HISTORY OF HERBIVOROUS INSECTS ON AUSTRALIA’S ICONIC EUCALYPTUS
GIRALDO CERON, Luis1, WILF, Peter1, DONOVAN, Michael2 and GANDOLFO, Maria A.3, (1)Geosciences and Earth and Environmental Systems Institute, The Pennsylvania State University, University Park, PA 16802, (2)Geologic Collections, Gantz Family Collections Center, Field Museum of Natural History, Chicago, IL 60605, (3)LH Bailey Hortorium, Plant Biology Section, SIPS, Cornell University, 406 Mann Library, Ithaca, NY 14853
4:50 PM
SIGNIFICANCE OF SHORT-TERM VARIABILITY IN MIDDLE MIOCENE PALYNOFLORAS OF OREGON AND IDAHO
SCHILLER, Christopher1, LOWE, Alexander J.1, STRÖMBERG, Caroline A.E.2, SCHMITZ, Mark D.3 and DILLHOFF, Thomas A.4, (1)Department of Biology, University of Washington, Box 351800, Seattle, WA 98195, (2)Department of Biology, University of Washington, Box 351800, Seattle, WA 98195; Burke Museum of Natural History & Culture, University Of Washington, Box 353010, Seattle, WA 98195, (3)Department of Geosciences, Boise State University, Boise, ID 83725, (4)Burke Museum of Natural History & Culture, University Of Washington, Box 353010, Seattle, WA 98195
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