https://en.wikipedia.org/wiki/Rodinia
Rodinia (from the Russian родина, rodina, meaning "motherland, birthplace"[1][2][3]) was a Mesoproterozoic and Neoproterozoicsupercontinent that assembled 1.26–0.90 billion years ago (Ga)[4] and broke up 750–633 million years ago (Ma)
大約7億年前成冰紀的時候，地球進入雪球地球狀態，全球溫度急遽下降。埃迪卡拉紀和寒武紀的生物快速演進一般認為是因為羅迪尼亞大陸的分裂引發。
