GSA Connects 2021 in Portland, Oregon

Session No. 237
Wednesday, 13 October 2021: 1:30 PM-5:30 PM
E141/E142 (Hybrid Room) (Oregon Convention Center)

T86. New Insights on Arthropod Paleobiology

Paleontological Society

 

Matthew Witte, Rhiannon LaVine, Julien Kimmig and James Lamsdell, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1:35 PM
ONTOGENY AS A CONSTRAINT IN THE EVOLUTION OF THE TRILOBITE GLABELLA (Invited Presentation)
WEBSTER, Mark, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637
1:50 PM
INTRASPECIFIC MORPHOLOGICAL VARIATION IN LOWER CAMBRIAN DORYPYGID TRILOBITES
EISENHAUER, Daniel, Department of Geophysical Sciences, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637 and WEBSTER, Mark, University of Chicago, 5734 South Ellis Avenue, Chicago, IL 60637
2:05 PM
CLASPER-LIKE APPENDAGES IN THE MID-CAMBRIAN TRILOBITE OLENOIDES SERRATUS FROM THE BURGESS SHALE
LOSSO, Sarah and ORTEGA-HERNANDEZ, Javier, Harvard University, Cambridge, MA 02138
2:20 PM
CONVERGENT EVOLUTION OF BODY FLAPS IN STEM-GROUP ARTHROPODS: INSIGHTS FROM A NEW LOBOPODIAN FROM THE MIDDLE CAMBRIAN OF UTAH
LEROSEY-AUBRIL, Rudy, Department of Organismic & Evolutionary Biology and Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138 and ORTEGA-HERNANDEZ, Javier, Harvard University, Cambridge, MA 02138; Department of Organismic & Evolutionary Biology and Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138
2:35 PM
EXPLORING ANOMALOCARIS RAPTORIAL APPENDAGES WITH 3D KINEMATICS
BICKNELL, Russell, Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Armidale, NSW 2350, Australia, SCHMIDT, Michel, 2Bavarian State Collection of Zoology, Bavarian Natural History Collections, Munich, Germany; Department Biology II, Ludwig-Maximilians-Universität München, Munich, Germany, EDGECOMBE, Gregory D., Department of Earth Sciences, The Natural History Museum, London, SW7 5BD, United Kingdom, DALEY, Allison C., Geology Department, Lyon1 University, Villeurbanne, 69100, France, MELZER, Roland R., 2Bavarian State Collection of Zoology, Bavarian Natural History Collections, Munich, Germany; 6GeoBio-Center, , Ludwig-Maximilians-Universität München, Munich, Germany; Department Biology II, Ludwig-Maximilians-Universität München, Munich, Germany, WROE, Stephen, Function, Evolution and Anatomy Research Lab, School of Environmental and Rural Science, University of New England, Armidale, NSW 2351, Australia; Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Armidale, NSW 2350, Australia and PATERSON, John R., Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Elm Avenue, Armidale, NSW 2350, Australia
2:50 PM
NEUROANATOMY IN A MIDDLE CAMBRIAN MOLLISONIID AND THE ANCESTRAL NERVOUS SYSTEM ORGANIZATION OF CHELICERATES (Invited Presentation)
ORTEGA-HERNANDEZ, Javier, LEROSEY-AUBRIL, Rudy, LOSSO, Sarah and WEAVER, James, Harvard University, Cambridge, MA 02138
3:05 PM
THE STRATIGRAPHIC CONTEXT OF THE LATE CAMBRIAN TRILOBITE WALCOTTASPIS VANHORNEI FROM THE UPPER MISSISSIPPI VALLEY, AND ITS MORPHOLOGICAL VARIATION
SRIVASTAVA, Shravya and HUGHES, Nigel, Department of Earth and Planetary Sciences, University of California, Riverside, CA 92521
3:20 PM
CONSERVATION AND CHANGE IN SEGMENT NUMBER IN TRILOBITES OVER THE PALEOZOIC (Invited Presentation)
HOPKINS, Melanie, Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192 and TO, Rebecca, Department of Ecology and Evolutionary Biology, University of Michigan, 1105 North University Ave, Ann Arbor, 48109
 
3:35 PM
Break
237-9
3:45 PM
Withdrawn
4:00 PM
ONTOGENETIC MODULARITY AND METAMORPHOSIS IN AN ORDOVICIAN TRILOBITE
VARGAS-PARRA, Ernesto, Division of Paleontology, American Museum of Natural History, 200 Central Park West, New York, NY 10024 and HOPKINS, Melanie, Division of Paleontology, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192
4:15 PM
A MORPHOMETRIC APPROACH TO HORSESHOE CRAB EVOLUTION
OCON, Samantha and LAMSDELL, James, Department of Geology and Geography, West Virginia University, 98 Beechurst Avenue, Brooks Hall, Morgantown, WV 26506
4:30 PM
SHADOWS OF THE PAST: THE DISJUNCT DISTRIBUTION OF EXTANT HORSESHOE CRABS EXPLAINED THROUGH BIOGEOGRAPHIC ANALYSIS OF FOSSIL TAXA
LAMSDELL, James, Department of Geology and Geography, West Virginia University, 98 Beechurst Avenue, Brooks Hall, Morgantown, WV 26506 and CONGREVE, Curtis, Marine Earth and Atmospheric Sciences, North Carolina State University, Raleigh, NC 27606
4:45 PM
CRABS IN AMBER REVEAL AN EARLY COLONIZATION OF FRESHWATER DURING THE CRETACEOUS
LUQUE, Javier, Department of Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138; Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06520
5:00 PM
CRETACEOUS POLAR ARTHROPODS ON WALKABOUTS: NEWLY DISCOVERED ARTHROPOD TRACE FOSSILS FROM THE WONTHAGGI FORMATION (BARREMIAN), VICTORIA, AUSTRALIA
MARTIN, Tony1, LOWERY, Melissa2, HALL, Michael2, RICH, Thomas H.3, MORTON, Steven2, KOOL, Lesley4, SWINKELS, Peter2 and VICKERS-RICH, Patricia5, (1)Department of Environmental Sciences, Emory University, Atlanta, GA 30322, (2)School of Earth, Atmosphere and Environment, Monash University, Clayton, VIC 3800, Australia, (3)Palaeontology Department, Museum of Victoria, PO Box 666E, Melbourne, 3001, Australia, (4)Department of Palaeontology, Museum Victoria, Melbourne, VIC 3001, Australia, (5)Department of Chemistry and Biotechnology, Swinburne University of Technology, Melbourne, Australia
5:15 PM
EXTREME ENDEMISM OF LATE CRETACEOUS MARINE OSTRACODS IN THE US GULF COASTAL PLAIN
PUCKETT, Terry, School of Biological, Environmental and Earth Sciences, University of Southern Mississippi, 118 College Dr, Hattiesburg, MS 39406-0002 and HUNT, Gene, Department of Paleobiology, Smithsonian Institution, National Museum of Natural History, NHB MRC 121, P.O. Box 37012, Washington, DC 20013-7012
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