HSEA 010 Lecture Notes - Lecture 5: Capitanian, Gymnosperm, Mosasaur
28 Jul 2020
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Document Summary
The permian started about 299 million years ago. On the geological time scale, the permian period is the last period of the paleozoic era (started about 542 million years ago and ended about 251 million years ago), after the carboniferous and prelude to the mesozoic era. The permian started about 299 million years ago and ended 251 million years ago with the. Permian-triassic mass extinction, the largest mass extinction event the history of our planet has ever experienced. The name of this period comes from the russian city of perm, where in 1841 the english geologist. Roderick murchison identified the fossils that make up this geological system. The carboniferous witnessed a true explosion of plant life. The carboniferous began about 359 million years ago and culminated approximately 299 million years ago. It is the longest period of the paleozoic era. It is one of the most tectonically active eras in earth"s geological history.
