Mass Extinctions in the Marine Fossil Record

A new compilation of fossil data on invertebrate and vertebrate families indicates that four mass extinctions in the marine realm are statistically distinct from background extinction levels. These four occurred late in the Ordovician, Permian, Triassic, and Cretaceous periods. A fifth extinction ev...

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Bibliographische Detailangaben

Veröffentlicht in:	Science (American Association for the Advancement of Science) 1982-03, Vol.215 (4539), p.1501-1503
Hauptverfasser:	Raup, David M., Sepkoski, J. John
Format:	Artikel
Sprache:	eng
Schlagworte:	Fossils Frasnian age Geologic time scale Geology Late Devonian extinction Mass extinction events Permian Triassic extinction Species extinction Statistical significance Vertebrates
Online-Zugang:	Volltext
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