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Robert P Speijer

Explore the profile of Robert P Speijer including associated specialties, affiliations and a list of published articles. Areas
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Articles 6
Citations 180
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Recent Articles
1.
Babila T, Penman D, Standish C, Doubrawa M, Bralower T, Robinson M, et al.
Sci Adv . 2022 Mar; 8(11):eabg1025. PMID: 35294237
The Paleocene-Eocene Thermal Maximum (PETM) is recognized by a major negative carbon isotope (δC) excursion (CIE) signifying an injection of isotopically light carbon into exogenic reservoirs, the mass, source, and...
2.
Arreguin-Rodriguez G, Thomas E, Dhaenens S, Speijer R, Alegret L
PLoS One . 2018 Feb; 13(2):e0193167. PMID: 29474429
The early Eocene greenhouse world was marked by multiple transient hyperthermal events. The most extreme was the Paleocene-Eocene Thermal Maximum (PETM, ~56 Ma), linked to the extinction of the globally...
3.
Jehle S, Bornemann A, Deprez A, Speijer R
PLoS One . 2015 Nov; 10(11):e0141644. PMID: 26606656
The marine ecosystem has been severely disturbed by several transient paleoenvironmental events (<200 kyr duration) during the early Paleogene, of which the Paleocene-Eocene Thermal Maximum (PETM, ~56 Ma) was the...
4.
Stassen P, Speijer R, Thomas E
Proc Natl Acad Sci U S A . 2014 Feb; 111(12):E1066-7. PMID: 24572571
No abstract available.
5.
Kostak M, Jagt J, Speijer R, Stassen P, Steurbaut E
PLoS One . 2013 Dec; 8(11):e81180. PMID: 24348918
New coleoid cephalopods, assignable to the order Sepiida, are recorded from the Selandian/Thanetian boundary interval (Middle to Upper Paleocene transition, c. 59.2 Ma) along the southeastern margin (Toshka Lakes) of...
6.
Schulte P, Alegret L, Arenillas I, Arz J, Barton P, Bown P, et al.
Science . 2010 Mar; 327(5970):1214-8. PMID: 20203042
The Cretaceous-Paleogene boundary approximately 65.5 million years ago marks one of the three largest mass extinctions in the past 500 million years. The extinction event coincided with a large asteroid...