暁ぎょう新しん世せい

noun

Paleocene epoch

Geological term for the epoch from about 66 to 56 million years ago, immediately following the Cretaceous–Paleogene extinction event.

• 暁ぎょう新しん世せいは新しん生せい代だいの最さい初しょの世よである。

  The Paleocene is the first epoch of the Cenozoic Era.