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Age of Mammals |
Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson | 0.04 sec. |
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Age of Mammals [′āj əv ′mam·əlz] (geology) An informal designation of the Cenozoic era of geologic time. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| ? Mentioned in | ? References in periodicals archive | |
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The C-T episode is
not the only major mass extinction phenomenon during the last
540-million-year period for which abundant fossil remains were found,
but the fact that it led to the transition from the age of the dinosaurs
to the age of mammals about 65 million years ago puzzled both scientists
and the public for more than a century. |
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