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Advocates: Ying Cui; Shuang Zhang; Gerilyn (Lynn) S. Soreghan This session brings together paleoenvironmental studies from
This session will feature new research on the dynamics of the Last Deglaciation (ca. 18–12 ka) in western North America,
Earth’s past climate and biogeochemical cycles using the sedimen- including paleoclimate and paleoecology records, glacier chro-
tary record, emphasizing work that integrates sedimentological nologies, paleolake reconstructions, and model simulations, with
and geochemical datasets and modeling. an emphasis on abrupt climate changes.
T106. Insights from Microfossils and Their Modern PALEONTOLOGY
Analogs: From Traditional and Emerging Approaches
to Critical Re-Evaluations T110. Cambrian–Ordovician Faunas and Events:
Endorsers: Cushman Foundation; Paleontological Society; A Session in Honor of John F. Taylor and John E.
Geochemical Society; Paleontological Research Institution; Repetski
GSA Marine and Coastal Geoscience Division; SEPM (Society Endorser: Paleontological Society
for Sedimentary Geology); GSA Limnogeology Division Disciplines: Paleontology, Biogeography/Biostratigraphy,
Disciplines: Paleoclimatology/Paleoceanography, Geochemistry, Sediments, Carbonates, Stratigraphy
Paleontology, Biogeography/Biostratigraphy Advocates: Paul Myrow; Justin V. Strauss
Advocates: Robert Poirier; Chiara Borelli To honor John Taylor’s and John Repetski’s careers, we seek con-
Assemblage- and proxy-based (i.e., geochemical) records tributions that cover emerging concepts related to the evolution of
derived from microfossils comprise two foundational pillars of fauna, biostratigraphy, and changes in environments, oceans, atmo-
paleoclimate research. We seek studies applying traditional and sphere, and paleogeography during the Cambrian and Ordovician.
novel microfossil-based reconstructions, including those seeking
to revisit old assumptions that may bias paleo-reconstructions. T111. Cephalopods Present and Past: Evolution,
Paleoecology, and Links to Paleoenvironmental
T107. New Perspectives for Reconstructing Past Change
Arctic Environments: Climate, Ecosystems, and Endorsers: Paleontological Research Institution; Paleontological
Depositional Systems Society
Endorsers: GSA Quaternary Geology and Geomorphology Disciplines: Paleontology, Diversity, Extinction, Origination,
Division; GSA Soils and Soil Processes Division Paleontology, Paleoecology/Taphonomy, Paleontology,
Disciplines: Paleoclimatology/Paleoceanography, Paleontology, Biogeography/Biostratigraphy
Paleoecology/Taphonomy, Sediments, Clastic Advocates: Jone Naujokaityte; Shannon Brophy; Amane Tajika
Advocates: Paul McCarthy; Anthony R. Fiorillo This session will feature the latest research on fossil and mod-
This session will provide new perspectives for interdisciplinary, ern cephalopods, including cephalopod paleobiology, evolution,
multi-proxy research addressing all aspects of climate, ecosys- and the use of cephalopods in paleoenvironmental reconstruction.
tems, and depositional systems in past Arctic environments across
the spectrum of geologic time. T112. Halo-Dash: The Deep and Shallow History of
Aquatic Life’s Passages between Marine and Fresh-
T108. Oceans and Climates through Earth History: water Habitats
From Proxy Reconstructions to Model Assessments Endorsers: GSA Limnogeology Division; Paleontological Society
(Posters) Disciplines: Paleontology, Diversity, Extinction, Origination,
Endorsers: Cushman Foundation; Paleontological Society; Paleontology, Paleoecology/Taphonomy, Paleontology,
Geochemical Society; Paleontological Research Institution; Phylogenetic/Morphological Patterns
GSA Marine and Coastal Geoscience Division; SEPM (Society Advocates: Lisa Park Boush; Christine Hall; Eric Schultz;
for Sedimentary Geology) Anthony Shillito
Disciplines: Paleoclimatology/Paleoceanography, Geochemistry, This session will examine the historical pathways and conditions
Paleontology, Paleoecology/Taphonomy for taxa transitioning between marine and freshwater, catalyzing new
Advocates: Megan Fung; Miriam E. Katz interdisciplinary research directions on biotic exchanges between
This session brings together modelling, proxy, and proxy devel- saline and fresh habitats and how they profoundly shaped life.
opment studies to improve our understanding of rapid ocean and
climate events, and shifts between long-term climate/ocean states, T113. Modeling Ecological Niches and Species
within the context of normal variability throughout earth history. Distributions in the Fossil Record: Approaches
and Applications
T109. The Last Glacial–Interglacial Transition in Endorsers: Paleontological Society; GSA Geobiology and
Western North America: Paleoclimate Proxies, Envi- Geomicrobiology Division
ronmental Responses, and Data-Model Comparisons Disciplines: Paleontology, Diversity, Extinction, Origination,
Endorsers: GSA Quaternary Geology and Geomorphology Paleontology, Paleoecology/Taphonomy, Paleontology,
Division; GSA Limnogeology Division Biogeography/Biostratigraphy
Disciplines: Paleoclimatology/Paleoceanography, Quaternary Advocates: Ceara Purcell; Rhiannon Nolan
Geology, Geochronology This session will feature the latest research on the application of
Advocates: Sarah Crump; Joseph Licciardi; Alia J. Lesnek; ecological niche modeling and other quantitative ecological meth-
Darren J. Larsen ods to test spatiotemporal hypotheses of Earth-life interactions

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