GSA Connects 2024 Meeting in Anaheim, California

Session No. 239
Wednesday, 25 September 2024: 8:00 AM-12:00 PM
204C (Anaheim Convention Center)

T126. Evolution of Marine Life in the Cambrian I: Biotic, Biogeochemical, and Stratigraphic Contexts

 

Rudy Lerosey-Aubril, Robert R. Gaines, Sara Pruss and Javier Ortega-Hernandez, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
8:05 AM
AYSHEAIA PEDUNCULATA IS A STEM-GROUP TARDIGRADE
MAPALO, Marc and ORTEGA-HERNANDEZ, Javier, Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138
8:20 AM
EVOLUTIONARY TEMPO AND MODE IN CAMBRIAN UPPER MISSISSIPPI VALLEY DIKELOCEPHALID TRILOBITES I: DIKELOCEPHALUS
VARGAS-PARRA, Ernesto, Division of Paleontology, American Museum of Natural History, 200 Central Park West, New York, NY 10024, SRIVASTAVA, Shravya, Department of Earth and Planetary Sciences, University of California Riverside, Riverside, CA 92521, RUNKEL, Anthony C., Minnesota Geological Survey, 2609 Territorial Road, St. Paul, MN 55114 and HUGHES, Nigel C., Earth and Planetary Sciences, University of California- Riverside, Riverside, CA 92521
8:35 AM
LEG FLEXURE AND STANCE IN THE CAMBRIAN TRILOBITE OLENOIDES SERRATUS
LOSSO, Sarah1, NANGLU, Karma2 and ORTEGA-HERNANDEZ, Javier2, (1)Organismic and Evolutionary Biology, Harvard University, Cambridge, MA 02138, (2)Harvard University, 26 Oxford Street, Cambridge, MA 02138
8:50 AM
EVOLUTIONARY TEMPO AND MODE IN CAMBRIAN UPPER MISSISSIPPI VALLEY DIKELOCEPHALID TRILOBITES II: OSCEOLIA AND WALCOTTASPIS
SRIVASTAVA, Shravya, Department of Earth and Planetary Sciences, University of California Riverside, Riverside, CA 92521, VARGAS-PARRA, Ernesto, Division of Paleontology, American Museum of Natural History, 200 Central Park West, New York, NY 10024, RUNKEL, Anthony C., Minnesota Geological Survey, 2609 Territorial Road, St. Paul, MN 55114 and HUGHES, Nigel C., Earth and Planetary Sciences, University of California- Riverside, Riverside, CA 92521
9:05 AM
MICROTOMOGRAPHIC STUDY OF OLENELLOID TRILOBITE GUTS FROM THE LOWER CAMBRIAN ROSELLA FORMATION IN BRITISH COLUMBIA
BOURDAS, Solène1, LEROSEY-AUBRIL, Rudy1, COMFORT, David2, GAINES, Robert R.3, PATERSON, John4, SKABELUND, Jacob5 and ORTEGA-HERNANDEZ, Javier1, (1)Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, (2)Not Affiliated, Vernon, BC V1T9P2, Canada, (3)Geology Department, Pomona College, 185 East Sixth Street, Claremont, CA 91711, (4)Palaeoscience Research Centre, School of Environmental and Rural Science, University of New England, Elm Avenue, Armidale, NSW 2350, Australia, (5)Not Affiliated, Wellsville, UT 84339
9:20 AM
MACROEVOLUTION OF CAMBRIAN ARTHROPOD RESPIRATORY STRUCTURES
RODRIGUEZ-SANCHEZ, Edna, Organismic and Evolutionary Biology, 26 Oxford Street, Cambridge, MA 01238 and ORTEGA-HERNANDEZ, Javier, Harvard University, 26 Oxford Street, Cambridge, MA 02138
9:35 AM
NEW REMARKABLE METAZOANS FROM THE MIDDLE CAMBRIAN (DRUMIAN) MARJUM KONSERVAT-LAGERSTÄTTE OF UTAH, USA
LEROSEY-AUBRIL, Rudy1, COLEMAN, Robert2, DEL MOURO, Lucas3, GAINES, Robert4, PATES, Stephen5, SKABELUND, Jacob6 and ORTEGA-HERNANDEZ, Javier1, (1)Department of Organismic and Evolutionary Biology and Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, (2)No affiliation, Round Lake Beach, IL 60073, (3)Flextronics Institute of Technology, Sorocaba, SP 3615, Brazil, (4)Pomona College, Claremont, CA 91711, (5)Department of Zoology, University of Cambridge, Cambridge, CB2 3EQ, United Kingdom, (6)Not Affiliated, Wellsville, UT 84339
 
9:50 AM
Break
 
10:05 AM
Introduction Invited speaker
10:10 AM
HOW BIOGEOCHEMICALLY IMPACTFUL WAS SKOLITHOS PIPEROCK? NEW INSIGHTS FROM CAMBRIAN FIELD DATA AND GEOCHEMICAL MODELING (Invited Presentation)
TARHAN, Lidya, Department of Earth and Planetary Sciences, Yale University, New Haven, CT 06511, WESTACOTT, Sophie, School of Earth Sciences, University of Bristol, Bristol, BS8 1RJ, United Kingdom and ZHAO, Mingyu, Key Laboratory of Cenozoic Geology and Environment, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing, 100029, China
10:30 AM
INTERROGATING PALEOENVIRONMENTAL AND EVOLUTIONARY PATTERNS IN BIOTURBATION IN UPPER CAMBRIAN AND LOWER ORDOVICIAN STRATA OF THE GREAT BASIN, USA
RIVAS, Ashley, Earth and Planetary Sciences, Yale University, New Haven, CT 06520, PRUSS, Sara B., Department of Geosciences, Smith College, Northampton, MA 01063, GILL, Benjamin, Department of Geosciences, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061 and TARHAN, Lidya, Department of Earth and Planetary Sciences, Yale University, 210 Whitney Avenue, New Haven, CT 06511
10:45 AM
EARLY PALEOZOIC OCEANS ON THE EDGE OF ANOXIA
OZAKI, Kazumi, Department of Earth and Planetary Sciences, Tokyo Institute of Technology, I2-3 2-12-1 Ookayama Meguro-ku, Tokyo, IN 152-8551, Japan
11:00 AM
NO DICE? INCONSISTENCIES WITH THE CAMBRIAN DRUMIAN CARBON ISOTOPE EXCURSION AT THE DRUMIAN GSSP, WEST-CENTRAL UTAH
NORMAN, Michelle, Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322, DEHLER, Carol, Department of Geosciences, Utah State University, 4505 Old Main Hill, Logan, UT 84322 and WARREN, Audrey M., Department of Geosciences, Utah State University, Logan, UT 84322
11:15 AM
WHY THE LONG FACIES? FACTORS CONTROLLING THE EXPRESSION OF THE CAMBRIAN SPICE EVENT IN THE SOUTHERN APPALACHIANS
HAGEN, Amy1, GILL, Benjamin1 and PRUSS, Sara B.2, (1)Department of Geosciences, Virginia Tech, 926 West Campus Drive, Blacksburg, VA 24061, (2)Department of Geosciences, Smith College, Northampton, MA 01063
11:30 AM
TRILOBITE MINERALIZATION, DIACHRONOUS LOWEST OCCURRENCES OF TRILOBITES, AND A GLOBAL LOWER CAMBRIAN SUBDIVISION STANDARD
LANDING, Ed, 125 Manning Blvd., Albany, NY 12203, GEYER, Gerd, Institut für Geographie und Geologie, Universität Würzburg, Am Hubland, Würzburg, 97074, Germany, WESTROP, Stephen R., Oklahoma Museum of Natural History and School of Geology & Geophysics, Univ of Oklahoma, Norman, OK 73072 and SCHMITZ, Mark, Department of Geosciences, Boise State University, Boise, ID 83725
 
11:45 AM
Discussion
See more of: Technical Sessions