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Permian

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.03 sec.
Permian
of, denoting, or formed in the last period of the Palaeozoic era, between the Carboniferous and Triassic periods, which lasted for 60 000 000 years
Permian [′pər·mē·ən]
(geology)
The last period of geologic time in the Paleozoic era, from 280 to 225 million years ago.
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At the end of the Permian period about 251 million years ago, a mass extinction claimed more than 90 percent of ocean species and 70 percent of those on land (SN: 2/1/97, p.
Fungi survived extinction event; study suggests abundant microfossils ... by Perkins, Sid / Science News
Separately, oil and gas company Encore Energy Partners said it was buying properties in Rockies and Permian basin from Encore Acquisition for $190 million.
Encore on the acquisition trail by Oil & Gas News
9780813724485 The Permian extinction and the Tethys; an exercise in global geology.
The Permian extinction and the Tethys; an exercise in global geology by SciTech Book News
 
 
 
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