古生代
Traditional form:
古生代
Pinyin (reading):
Gǔshēngdài
Definitions:
- Paleozoic, geological era 545-250m years ago, covering Cambrian 寒武紀／寒武纪, Ordovician 奧陶紀／奥陶纪, Silurian 志留紀／志留纪, Devonian 泥盆紀／泥盆纪, Carboniferous 石炭紀／石炭纪, Permian 二疊紀／二叠纪
Characters:
- 古 - old, classic, ancient
- 生 - life, lifetime; birth; growth
- 代 - era, generation; to substitute for, to replace
Traditional characters: