«Paleontology»  : Extinction


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«Paleontology»  : Extinction Sites

Science Earth Sciences Paleontology Extinction
Science Earth Sciences Paleontology Extinction sites
Extinction.Paleontology.Earth-Sciences.science-sites.work
Science Earth Sciences Paleontology Extinction
Science Earth Sciences Paleontology Extinction sites
Extinction.Paleontology.Earth-Sciences.sciencenter.work
Animal Extinctions in the Fossil Record: A Developmental Paradigm
Article by Vaclav Petr discussing the possible causes of extinctions.
www.mprinstitute.org/vaclav/Develop.htm
Extinction
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.
www.peripatus.gen.nz/paleontology/extinction.html
Extinctions: Cycles of Life and Death Through Time
Covers patterns and periodicity of extinction , with discussions of major mass extinctions and minor extinction events.
park.org/Canada/Museum/extinction/homepg.html
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 ,
www.thekeyboard.org.uk/Our%20Nemesis.htm
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
www.lpi.usra.edu/meetings/lpsc2005/pdf/1009.pdf
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.
www.lpi.usra.edu/meetings/impact2000/pdf/3072.pdf
The Role of Extinction in Evolution
Paper by David M Raup , Department of Geophysical Sciences , University of Chicago.
www.pnas.org/content/91/15/6758.full.pdf

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