Geological age
Middle Devonian
| item | description | ||||||
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| @id | https://gbank.gsj.jp/ld/resource/geoltime/item/GEOAGE_133020000 | ||||||
| Name | Middle Devonian | ||||||
| Rank | Epoch | ||||||
| Upper age (Ma) | 382.31 ±1.36 | ||||||
| Lower age (Ma) | 393.47 ±0.99 | ||||||
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