Topic: Permian Extinction
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When was the Permian Extinction?
The permian extinction happened about 251 million years ago right after the carboniferous period. Many scientists suspect a comet or asteroid impact, although direct evidence has not been found. Others believe the cause was flood volcanism ... Read More »
Source: http://wiki.answers.com/Q/The+Permian+extinction+occurred+at+the+...
What caused the mass extinction at the end of the Permian period?
There is evidence that the cause of the Permian mass extinction was extraterrestrial. High concentrations of fullerenes, extraterrestrial helium-3, and ratios of helium and argon which differ from Earth's crustal ratios are found within the... Read More »
Source: http://wiki.answers.com/Q/What_caused_the_mass_extinction_at_the_...
Why was the permian extinction called the great dying?
The Permian extinction is called the "Great Dying" because it was earth's largest mass extinction which wiped out as much as 95% of life. Read More »
Source: http://wiki.answers.com/Q/Why_was_the_permian_extinction_called_t...
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Permian Extinction
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dinosaurs along with pterodactyls and dimetrodons
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Source: http://wiki.answers.com/Q/What_were_some_animal_extinctions_in_th...
All of the Trilobites, Pelycosaurs, Gorgonopsians, Pariesaurs, most of the ammonites, amphibians, and jawless fish, plus many more.
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Source: http://wiki.answers.com/Q/What_species_went_extinct_in_the_permia...
The Permian-Triassic extinction event occurred 250 million years ago and was the mass extinction of 75% of the Earth's species.
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Source: http://www.kgbanswers.co.uk/what-was-the-permian-extinction/33888...
Our knowledge of the Permian dates to Murchison's work in Russia in the mid 19th century, and more recent work by Broom, Schindewolf and others. Schindewolf 1963 was probably the first to insist that the abrupt disappearance of many groups ...
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Source: http://answers.yahoo.com/question/index?qid=20120502153823AA0i9ly
The Permian-Triassic extinction event was an extinction event that ... ...MORE...
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Source: http://www.chacha.com/question/when-did-the-permian-mass-extincti...
Permian-Triassic extinction event. 90% to 95% of marine species bec... ...MORE...
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Source: http://www.chacha.com/question/what-is-the-era-of-the-mass-extinc...
