古始生代
Japanese
| Kanji in this term | |||
|---|---|---|---|
| 古 | 始 | 生 | 代 |
| こ Grade: 2 |
し Grade: 3 |
せい Grade: 1 |
だい Grade: 3 |
| on’yomi | |||
Proper noun
古始生代 (hiragana こしせいだい, rōmaji Koshiseidai)
- the Paleoarchean eon
See also
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