Before the beginning of the Triassic time period, Earth was full of life. Then came the Great Permian Extinction. The Great Permian Extinction was the largest known extinction event. It killed 96 percent of all marine life, 70 percent of terrestrial vertebrates, and it’s the only known mass extinction of insects. This extinction ended the Permian 248 million years ago and began the Triassic.
The climate of the Triassic, after the Great Permian Extinction, varied greatly with very hot summers and very cold winters, similar to North America and Asia. There were also no ice caps along with strong seasonal precipitations. The rainfall was very humid and had no glacial activity. Most landmasses were combined into one super