Whatever the cause, there was one big difference between the Avalon and Cambrian explosions: The Cambrian produced groups that endure to this day, Xiao says, whereas the Ediacaran forms soon vanished.

• 不过，无论原因为何，阿瓦隆纪大爆发和寒武纪大爆发之间存在着一个最大不同，即寒武纪出现的生物种类持续至今，而埃迪卡拉纪物种形式很快就消失了。