古原生代

Japanese

Kanji in this term
古	原	生	代
こ Grade: 2	げん Grade: 2	せい Grade: 1	だい Grade: 3
on’yomi

Proper noun

古原生代 (hiragana こげんせいだい, rōmaji Kogenseidai)

the Paleoproterozoic era

See also

原 (げん)生 (せい)代 (だい) (Genseidai)
中 (ちゅう)原 (げん)生 (せい)代 (だい) (Chūgenseidai)

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