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Jocelyn A. Sessa

Researcher at Academy of Natural Sciences of Drexel University

Publications -  34
Citations -  1358

Jocelyn A. Sessa is an academic researcher from Academy of Natural Sciences of Drexel University. The author has contributed to research in topics: Geology & Drilling. The author has an hindex of 12, co-authored 29 publications receiving 1148 citations. Previous affiliations of Jocelyn A. Sessa include Pennsylvania State University & National Museum of Natural History.

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Phanerozoic trends in the global diversity of marine invertebrates.

TL;DR: In this paper, a new data set of fossil occurrences representing 3.5 million specimens was presented, and it was shown that global and local diversity was less than twice as high in the Neogene as in the mid-Paleozoic.
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Nannoplankton extinction and origination across the Paleocene-Eocene Thermal Maximum

TL;DR: The Paleocene-Eocene Thermal Maximum was an interval of global warming and ocean acidification attributed to rapid release and oxidation of buried carbon that appears to have driven turnover, preferentially affecting rare taxa living close to their viable limits.
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Warming, euxinia and sea level rise during the Paleocene–Eocene Thermal Maximum on the Gulf Coastal Plain: implications for ocean oxygenation and nutrient cycling

TL;DR: This paper identified the Paleocene-Eocene Thermal Maximum (PETM) in a sediment core from the US margin of the Gulf of Mexico, which is rich in angular (thus in situ produced; autochthonous) glauconite grains, which indicate sedimentary condensation.
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The impact of lithification on the diversity, size distribution, and recovery dynamics of marine invertebrate assemblages

TL;DR: Using mollusk-dominated assemblages from the early Cenozoic of the Gulf Coastal Plain, this paper found that lithification conceals small taxa, decreases taxonomic resolution, and exacerbates the undersampling of rare taxa.
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Shallow marine response to global climate change during the Paleocene-Eocene Thermal Maximum, Salisbury Embayment, USA

TL;DR: The authors examined the sediments, flora and fauna from an expanded section at Mattawoman Creek-Billingsley Road (MCBR) in Maryland and explore the impact of warming at a nearshore shallow marine (30-100 m water depth) site in the Salisbury Embayment.