News tagged with permian period
Global extinction: Gradual doom is just as bad as abrupt
A painstakingly detailed investigation shows that mass extinctions need not be sudden events. The deadliest mass extinction of all took a long time to kill 90 percent of Earth's marine life, and it killed ...
Space & Earth / Earth Sciences
Feb 03, 2012 |
4.2 / 5 (20) |
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Land animals, ecosystems walloped after Permian dieoff
The cataclysmic events that marked the end of the Permian Period some 252 million years ago were a watershed moment in the history of life on Earth. As much as 90 percent of ocean organisms were extinguished, ...
Space & Earth / Earth Sciences
Oct 26, 2011 |
5 / 5 (6) |
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China fossil shows bird, crocodile family trees split earlier than thought
A fossil unearthed in China in the 1970s of a creature that died about 247 million years ago, originally thought to be a distant relative of both birds and crocodiles, turns out to have come from the crocodile ...
Other Sciences / Archaeology & Fossils
May 18, 2011 |
4.8 / 5 (4) |
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The day the algae died
The P-T mass extinction may have been instigated by populations of algae dying. According to one group of scientists, this die-off of large numbers of relatively simple life forms caused a crash in the ocean's ...
Space & Earth / Earth Sciences
Dec 14, 2010 |
4.1 / 5 (13) |
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Antarctica served as climatic refuge in Earth's greatest extinction event
A new fossil species suggests that some land animals may have survived the end-Permian extinction by living in cooler climates in Antarctica. Researchers have identified a distant relative of mammals that apparently survived ...
Space & Earth / Earth Sciences
Dec 02, 2009 |
4.6 / 5 (11) |
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New ancient fungus finding suggests world's forests were wiped out in global catastrophe
(PhysOrg.com) -- Scientists beleive extinct fungus species capitalised on a world-wide disaster and thrived on early Earth.
Space & Earth / Earth Sciences
Oct 01, 2009 |
4.5 / 5 (25) |
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Reptiles stood upright after mass extinction
(PhysOrg.com) -- Reptiles changed their walking posture from sprawling to upright immediately after the end-Permian mass extinction, the biggest crisis in the history of life that occurred some 250 million ...
Other Sciences / Archaeology & Fossils
Sep 15, 2009 |
4.1 / 5 (9) |
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Geologic Findings Undermine Theories of Permian Mass Extinction Timing
(PhysOrg.com) -- New scientific findings by geologist Robert Gastaldo of Colby College in Waterville, Maine, and colleagues call into question popular theories about the largest mass extinction in Earth's ...
Space & Earth / Earth Sciences
Mar 02, 2009 |
4.1 / 5 (20) |
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