Last Updated
：2025/11/20
Eocene
IPA(Pronunciation)
Adjective
Japanese Meaning
約5600万年前から約3400万年前にかけての古第三紀（古近代）に属する地質学上の時代区分で、始新世と呼ばれる。
（ comparative ）
（ superlative ）
Quizzes for review
(geology) of a geologic epoch within the Paleogene period from about 56 to 34 million years ago.
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Eocene
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