Paleogene

剑桥词典

from or referring to the period of time between about 66 and 23 million years ago, in which many insects , mammals , and birds appeared
古第三紀的（迄今6600萬至2300萬年前）
the Paleogene period 古第三紀
Paleogene flora and fauna 古第三紀動植物

the Paleogene

noun [ 單數名詞 ]

the Paleogene period
古第三紀 返回 Paleogene