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The Evidence That Shows Dinosaurs Were In Decline For 40 Million Years Before The Asteroid Hit

Wednesday, March 1, 2017 22:08
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(Before It's News)

from The Conversation

– this post authored by Michael J. Benton, University of Bristol

When the dinosaurs were wiped off the face of the planet, how did they leave? Was it a slow, plodding decline or a short sharp bang? Back in the 1960s and 1970s, debate about this question was mainly taking place on the ground, at fossil sites in places like Montana. Paleontologist Robert Sloan and his colleagues documented evidence for the long-term decline of dinosaurs over a 10m to 20m-year period. Dinosaurs had been losing out, ever so slowly, to the rising mammals, mainly as a result of cooling climates. The Conversation

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Source: http://econintersect.com/pages/contributors/contributor.php?post=201703012226

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