Friday, October 9, 2009

Animals Survived Apocalypse By Burrowing

Ninety percent of all life was killed during the Permian mass extinction 250 million years ago. But the pig-sized animal Lystrosaurus curvatus and other species apparently survived by burrowing underground. Lunar and Planetary Institute

From Discovery:

When the going gets tough, putting your head in the sand isn't always a bad idea. According to a new study, that's exactly how a group of animals living 250 million years ago survived the worst mass extinction of all time.

In a series of new fossil discoveries in South Africa, researchers have uncovered a slew of petrified burrows, many of them a foot wide and a meter (3.3 feet) or more deep.

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