In time, this phenomenon came to be known as the Carnian Pluvial Episode, or CPE.

随着时间的推移，这种现象被 称为 Carnian Pluvial Episode，或 CPE。

And their appearance in the fossil record corresponds with the Carnian pluvial episode, that period of intense seasonal rainfall that went on for two million years.

它们在化石记录中的出现与卡尼期雨期相对应，那是持续 200 万年的强烈季节性降雨时期。

The extinction of Metapolygnathus parvus marks the end of the Carnian, for example, while the start of the Rhaetian is defined by the first appearance of the genus Misikella.

Metapolygnathus parvus 的灭绝标志着 Carnian 的结束， 例如，而 Rhaetian 的开始是由 Misikella 属的首次出现定义的。