Phanerozoic

Japanese: Phanerozoic
Phanerozoic

...Reign, kingdom, lineage, series, and stage are chronological stratigraphic divisions, while epoch, era, period, era, and period are age divisions.
[Secret Era]
The major divisions of the geological system, or the chronology of the geological ages, are the Eons or Kingdoms Eon, which are divided into two: Cryptozoic, meaning "no clear evidence of the existence of life," and Phanerozoic, meaning "clear traces of the existence of life." However, while the name Phanerozoic is accepted worldwide, the Cryptozoic has been almost forgotten, and instead the Precambrian is often used.

*Some of the terminology explanations that mention "Phanerozoic" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…累界,界,系,統,階は年代層序区分,累代,代,紀,世,期は年代区分である。
[隠生累代]
 地質系統,つまり地質時代の編年表の大区分は,累代Eonあるいは累界Eonothemで,〈生命の存在した証拠が判然としない〉という意味のCryptozoic(隠生累代)と〈生命の存在した痕跡が明らかな〉という意味のPhanerozoic(顕生累代)に2分される。ところが顕生累代の名が世界的に受け入れられているのに,隠生累代はほとんど忘れられて,かわりに先カンブリア時代Precambrianがよく使われる。…

※「Phanerozoic」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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>>:  Phanerozoic eon (English spelling)

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