Chinese

		ancient; old	remote antiquity; immemorial	substitute; replace; generation substitute; replace; generation; dynasty; geological era; era; age; period
simp. and trad. (古太古代)		古	太古	代

Proper noun

古太古代

1. the Paleoarchean eon

See also

• 始太古代 (Shǐ Tàigǔ Dài)
• 中太古代 (Zhōng Tàigǔ Dài)
• 太古宙 (Tàigǔzhòu)