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X-WR-CALNAME;VALUE=TEXT:Paleobiology Seminar: Lauren Sallan
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SUMMARY:Paleobiology Seminar: Lauren Sallan
DESCRIPTION:<p>	<strong>Lauren Sallan</strong></p><p>	Martin Meyerson Assistant Professor in Interdisciplinary Studies<br>Earth and Environmental Science<br>University of Pennsylvania</p><p>	<strong>The Rise and Fall of Fishes: How Ecology and Mass Extinction Shaped Vertebrate Biodiversity</strong><!--break--></p><p>	Vertebrates (55000+ species) originated as "fishes" some 540 million years ago. However, their path to numerical superiority was long and unlikely; they are marginal or missing from productive ecosystems during the Cambrian Explosion and Great Ordovician Biodiversification Event. Here I show how quantitative paleobiology can reveal the ecological factors and environmental events during the mid-Paleozoic allowed vertebrate to become essential components of marine biodiversity, and eventually caused a initially-stable global fish fauna to be replaced by the "primitive" fishes we see today.</p>
LOCATION:Haller Hall (Geology Museum 102)
STATUS:CONFIRMED
DTSTART:20180403T180000Z
DTEND:20180403T180000Z
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