Land vertebrates got hit the hardest in the Great Dying
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20111027
Land vertebrates got hit the hardest in the Great Dying
An intensive taxon-by-taxon study reveals land vertebrates were hit harder than any other group during the toxic extinction event of 250 million years ago, marking the end of the Permian period.
http://www.redorbit.com/news/science/1112408650/land-animals-suffered-catastrophic-losses-after-permian-period/index.html
http://www.redorbit.com/news/science/1112408650/land-animals-suffered-catastrophic-losses-after-permian-period/index.html
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