古生代 gǔ shēng dài

DEFINITIONS

  1. 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 gǔ old, classic, ancient
生 shēng life, living, lifetime; birth
代 dài replace, replacement (of person or generation); era, generation