Phanerozoic, geological eon lasting since the Cambrian 寒武紀|寒武纪[Han2 wu3 ji4], c. 540m year ago
trad. 顯生代
Also written 顯生代【Xiǎn shēng dài】
Phanerozoic, geological eon lasting since the Cambrian 寒武紀|寒武纪[Han2 wu3 ji4], c. 540m year ago
trad. 顯生代
Also written 顯生代【Xiǎn shēng dài】