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paleocene epoch

/ˈpeɪliəsiːn ˈiːpɒk/

翻译: 古新世,地质年代中古近纪的第一个世,约开始于6600万年前、结束于5600万年前,处于白垩纪-古近纪灭绝事件之后,以生命复苏和哺乳动物早期多样化发展为特征。

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phrase

/ˈpeɪliəsiːn ˈiːpɒk/C1formalscientific
  • zh古新世,地质年代中古近纪的第一个世,约开始于6600万年前、结束于5600万年前,处于白垩纪-古近纪灭绝事件之后,以生命复苏和哺乳动物早期多样化发展为特征。

A geological time period that began approximately 66 million years ago and ended about 56 million years ago, marking the first epoch of the Paleogene Period in the Cenozoic Era, characterized by the recovery of life after the Cretaceous-Paleogene extinction event and the early diversification of mammals.

  1. C1formal

    The Paleocene Epoch is a geological time period that lasted from about 66 to 56 million years ago, immediately following the extinction event that wiped out the non-avian dinosaurs. It marks the beginning of the Cenozoic Era.

    zh古新世

    • The Paleocene Epoch saw the rapid diversification of mammals.
    • Fossil records from the Paleocene Epoch show the first appearance of many modern plant groups.
    • The climate during the Paleocene Epoch was generally warm and tropical.