- Traditional Chinese Character(HanT):
二疊紀
- Simplified Chinese Character(HanS):
二叠纪
- Bopomofo(Mandarin Phonetic Symbols): ㄦˋ ㄉㄧㄝˊ ㄐㄧˋ (ㄦㄉㄐ)
- Bopomofo(Zhuyin Keyboard Input/IME): -42u,6ru4
- 「二疊紀」的注音符號/「二疊紀」怎麼發音怎麼唸: ㄦˋ ㄉㄧㄝˊ ㄐㄧˋ
- (ASCII) Hanyu Pinyin: "erdieji" "Er4Die2Ji4" "Er4 Die2 Ji4" (EDJ)
- (Latin) Hànyǔ Pīnyīn: èrDiéJì [ èr Dié Jì ]
- (英文翻譯) English Translation: "Permian"
- (西語翻譯) Traducción Español: "Pérmico"
- (日文翻譯) 日本語翻訳: "ペルム紀"