Cenozoic

既定 英語（イギリス） (en-GB)

IPA（発音記号）

/ˌkeɪnəʊˈzəʊɪk/

固有名詞

(geology) A geologic era within the Phanerozoic eon comprising the Paleogene, Neogene and Quaternary periods from about 65 million years ago to the present, when the continents moved to their current position and modern plants and animals evolved.

日本語の意味

新生代（約6500万年前から現在に至る地質時代。古第三紀、新第三紀、第四紀に相当し、大陸の移動や現代的な動植物の進化が見られる時期）

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Paleontologists have long studied the dramatic changes in climate and fauna that occurred during the Cenozoic.

古生物学者たちは、新生代に起こった気候や動物相の劇的な変化を長年研究してきた。

詳細

意味（1）

(geology) A geologic era within the Phanerozoic eon comprising the Paleogene, Neogene and Quaternary periods from about 65 million years ago to the present, when the continents moved to their current position and modern plants and animals evolved.

The whole history of the earth is divided into five eras, with corresponding rock-systems. These are: 1. Archæan or Eozoic¹ era, embodied in the Laurentian system; 2. Palæozoic² era, embodied in the Palæozoic or Primary system; 3. Mesozoic³ era, recorded in the Secondary system; 4. Cenozoic,⁴ recorded in the Tertiary and Quaternary systems; and, 5. The Psychozoic era, or era of Mind, recorded in the recent system.

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