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Permian period

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Noun1.Permian period - from 280 million to 230 million years agoPermian period - from 280 million to 230 million years ago; reptiles
Permian
Paleozoic, Paleozoic era - from 544 million to about 230 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
Geological records show that there was a massive spike in the population of Reduviasporonites across Pangea as the Permian period came to an end.
World's forests were wiped out in global catastrophe 250 mln yrs ago by Asian News International
The oldest known rostroconch fossils are of early Cambrian age (about 520 million years old) and the last members of the lineage died out before the end of the Permian Period around 255 million years ago.
Head down in the Paleozoic sea; this may be how one clam-like mollusc ... by Rudkin, Dave / ROM Magazine
 
 
 
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