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GSA 2020 ANNUAL MEETING
T80. Biosediments: Tracking Biogenic Materials and PALEONTOLOGY, PHYLOGENETIC/
Sedimentation Processes through Time MORPHOLOGICAL PATTERNS
Cosponsors: GSA Geobiology and Geomicrobiology Division;
Paleontological Society; GSA Sedimentary Geology Division; T84. Phylogenetic Paleobiology: Combining Evolu-
GSA Limnogeology Division tionary Trees and Fossils to Understand the Evolu-
Disciplines: Paleontology, Paleoecology/Taphonomy, Sediments, tion of Life
Carbonates, Geomicrobiology Cosponsors: Paleontological Society; Paleontological Research
Advocates: Lydia S. Tackett; James H. Nebelsick Institution; GSA Geobiology and Geomicrobiology Division
Biosediments can serve as informative proxies for geochemical Disciplines: Paleontology, Phylogenetic/Morphological Patterns,
processes, depositional environment conditions, and paleoecologi- Paleontology, Diversity, Extinction, Origination, Paleontology,
cal structure of biotic communities. This session will explore the Biogeography/Biostratigraphy
novel utilization of biogenic materials in geological research. Advocates: William Gearty; Curtis R. Congreve; James C. Lamsdell
This session will highlight recent advances integrating phyloge-
T81. Ichnology as a Global Proxy Multitool to netics with fossil data to address evolutionary and ecological ques-
Reconstruct Biodiversity, Ecology, Hydrology, tions through deep time. Topics include, but are not limited to,
and Climate in Continental to Marine Settings macroevolutionary trends, diversification dynamics, trait evolu-
Cosponsors: SEPM (Society for Sedimentary Geology); GSA tion, and paleobiogeography.
Sedimentary Geology Division; GSA Marine and Coastal Geoscience
Division; Paleontological Society; GSA Limnogeology Division T85. Linking Biological Questions to Paleontological
Disciplines: Paleontology, Paleoecology/Taphonomy, Sediments, Data: Statistical Models, Technological Advance-
Clastic, Paleoclimatology/Paleoceanography ments, and Conceptual Improvements
Advocates: Stephen T. Hasiotis; Ilya V. Buynevich; Logan A. Wiest Cosponsors: Paleontological Society; Methods in Ecology and
Ancient and modern traces serve as proxies for biophysico- Evolution (British Ecological Society); GSA Geoinformatics and
chemical processes used in reconstructions of continental and Data Science Division
marine deposits. We welcome research in all aspects of organism- Disciplines: Paleontology, Phylogenetic/Morphological Patterns,
sediment interactions at a range of spatial and temporal scales. Paleontology, Diversity, Extinction, Origination, Paleontology,
Biogeography/Biostratigraphy
T82. Surf to Sea, Small to Large, Bottom to Top: Advocates: Lee Hsiang Liow; Daniele Silvestro
Ecosystem Perspectives on the Marine Fossil Record This session showcases methodological development, including
Cosponsors: Paleontological Society; GSA Marine and Coastal those that are statistical or infrastructural, lab, field, or computa-
Geoscience Division; GSA Sedimentary Geology Division tional, that explicitly aim at integrating paleontological and neonto-
Disciplines: Paleontology, Paleoecology/Taphonomy, logical data or/and linking paleobiological and biological concepts
Paleontology, Diversity, Extinction, Origination, Paleontology, and questions.
Biogeography/Biostratigraphy
Advocates: Judith A. Sclafani; Heather L. Jones; Garett M. T86. Shape, Size, and Function: New Approaches to
Brown; Pedro M. Monarrez Morphometric Analyses
We aim to unite paleontologists working on various groups to Cosponsors: Paleontological Society; Paleontological Research
better understand marine ecosystem functioning, especially fol- Institution; Association for Women Geoscientists
lowing mass extinctions and major intervals of environmental Disciplines: Paleontology, Phylogenetic/Morphological Patterns
perturbation in the geologic past. Advocates: Carmi Milagros Thompson; Shamindri Tennakoon;
Katherine A. Turk
T83. Stratigraphy, Stasis, and Shales: A Celebration The study of morphology is a critical component within paleontol-
of the Careers of Carlton Brett and Gordon Baird ogy, and new analytical techniques are constantly on the horizon. This
Cosponsors: Paleontological Society; GSA Energy Geology Division session will focus on emerging and novel approaches to answering
Disciplines: Paleontology, Paleoecology/Taphonomy, morphological questions across taxonomic groups and time periods.
Paleontology, Diversity, Extinction, Origination, Stratigraphy
Advocates: Alex J. Bartholomew; Jocelyn A. Sessa T87. Growing a Skeleton: Methodological and
This session spotlights the contributions of Carlton and Gordon to Theoretical Approaches to Unraveling the Stories
stratigraphy, taxonomy, taphonomy, paleoecology, and biofacies Preserved in Skeletal Materials
tracking, with an emphasis on field-intensive studies. Contributions Cosponsors: Paleontological Society; GSA Geobiology and
in these topics are welcome to celebrate their outstanding careers. Geomicrobiology Division; Geochemical Society
Disciplines: Paleontology, Phylogenetic/Morphological Patterns,
Mineralogy/Crystallography, Geochemistry
Advocates: Emilia Jarochowska; David K. Moss; Yara Haridy;
Rehemat Bhatia; Ismael Coronado Vila
New tools in sclerochronology, ecology, structural and chemical
analysis of skeletal tissues allow for reconstructing physiology,
evolutionary processes, and an organism’s interactions with the
environment at the scale of individuals as well as populations.

28 GSA Today | May 2020