艾迪卡拉 [ㄞˋ ㄉㄧˊ ㄎㄚˇ ㄌㄚ; ai4 di2 ka3 la1] Ediacaran (c. 635-542 million years ago), late phase of pre-Cambrian geological era also written 埃迪卡拉[ㄞ ㄉㄧˊ ㄎㄚˇ ㄌㄚ; ai1 di2 ka3 la1] ◄ ►