SEES Grad Defense: Victoria Harris - PhD Defense - "Assessing Historic and Modern Variability of Midwest Hydroclimate through Quercus Dendrochronological Reconstructions"

Thursday, June 11, 2026 9:00am to 11:00am
Trowbridge Hall
Victoria Harris - PhD Defense

SEES Grad Defense: Joshua Laird - PhD Defense - "Ordovician trilobite communities: End-Ordovician mass extinction beta diversity collapse, habitat occupancy dynamics, and insights from the Eleanor River Formation (Floian) fauna of Canada"

Friday, July 17, 2026 10:00am to 1:00pm
Trowbridge Hall

7/17: 10:00AM - 1PM, 231 TH (Trowbridge Hall)

Title: Ordovician trilobite communities: End-Ordovician mass extinction beta diversity collapse, habitat occupancy dynamics, and insights from the Eleanor River Formation (Floian) fauna of Canada

Abstract: Trilobites (extinct marine arthropods) reached peak diversity during the Ordovician, when the group was divided into the Ibex and Whiterock evolutionary faunas. During the Early to early-Middle Ordovician, species of these faunas occupied habitats...

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