- Traditional Chinese Character(HanT):
古生代
- Simplified Chinese Character(HanS):
古生代
- Bopomofo(Mandarin Phonetic Symbols): ㄍㄨˇ ㄕㄥ ㄉㄞˋ (ㄍㄕㄉ)
- Bopomofo(Zhuyin Keyboard Input/IME): "ej3g/ 294" (ej3g/294)
- (ASCII) Hanyu Pinyin: "gushengdai" "Gu3Sheng1Dai4" "Gu3 Sheng1 Dai4" (GSD)
- (Latin) Hànyǔ Pīnyīn: GǔShēngDài [ Gǔ Shēng Dài ]
- (英文翻譯) English Translation: "Paleozoic"
- (西語翻譯) Traducción Español: "era paleozoica"
- (日文翻譯) 日本語翻訳: "古生代"