«Paleontology»  : Extinction

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«Paleontology»  : Extinction Sites

Science Earth Sciences Paleontology Extinction
Science Earth Sciences Paleontology Extinction sites
Science Earth Sciences Paleontology Extinction
Science Earth Sciences Paleontology Extinction sites
Animal Extinctions in the Fossil Record: A Developmental Paradigm
Article by Vaclav Petr discussing the possible causes of extinctions.
A number of extinction concepts are discussed and loosely defined , followed by a survey of some important extinction and "extinction-like" events , primarily from the Phanerozoic.
Extinctions: Cycles of Life and Death Through Time
Covers patterns and periodicity of extinction , with discussions of major mass extinctions and minor extinction events.
Our Nemesis?
Article on a paper by David Raup and John Sepkoski , two respected paleontologists , making the remarkable claim that great catastrophes occur on the Earth every 26 million years ,
The Cosmic Clock, the Cycle of Terrestrial Mass Extinctions
Paper by J. A. Marusek. A dual cycle of extinction events is observed and well ordered in geological time. Two primary mechanisms , Oort cloud comet impacts and nearby supernova events are synchronized to the passage of the solar system through the spira
The Late Devonian Mass Extinction
A professional technical paper discussing whether the Late Devonian (Frasnian-Famennian) mass extinction was initiated by an extraterrestrial impact or an earth-bound event.
The Role of Extinction in Evolution
Paper by David M Raup , Department of Geophysical Sciences , University of Chicago.

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