The Most Hardcore Period In Earths History, Or The Permian, Was Preceded By A Complete Ecosystem Collapse,

The Most Hardcore Period in Earth’s History, or the Permian, was preceded by a complete ecosystem collapse, and featured three different major mass extinction events - including the largest in earth’s history, the Great Dying, which lead to nearly all life on earth dying out. 

During the Permian, all the land on Earth was in one supercontinent, called Pangea; and all the water was in one ocean, called Panthalassa. This meant that life intermingled and expanded all over the world, more so than it was able to in other periods (besides the Triassic, which also featured a single continent and a single ocean). 

Pangea, and the Permian, was characterized by extremes. The beginning of the Period featured the end of the Karoo Ice Age - the poles were filled with ice caps, the center of the continent was dry, and temperature extremes were found throughout the land and ocean. The end featured multiple mass extinctions and a rapid warming of the continent, reaching the extreme heat of the Triassic period. 

By @franzanth​ 

The Carboniferous Rainforest Collapse was primarily caused by an intensification of that ice age - leading to the start of the Permian featuring dry, harsh, extreme climates. This time period featured the rapid diversification and specialization of some of the earliest animals adapted for a dry existence - prior to now, life almost entirely existed in the oceans, or in the forested and swampy world of the Carboniferous. This was the first truly dry time for (at least some) life.  

By @alphynix​

Olson’s Extinction marked a change from that initial habitat in the Cisuralian epoch to the next, the Guadalupian. As the world began to rapidly warm after the Karoo Ice Age ended, this lead to a major extinction of plants and vertebrates especially. The vertebrates would not fully recover before the Triassic; however, it did lead to many new forms, especially among synapsids, appearing in the new vacant environmental roles. 

(By @paleoart​) 

The Capitanian Extinction was caused by the explosion of a moderately sized laval flow system, the Emeishan Traps, which lead to immediate global cooling followed by rapid global warming. This greatly affected ocean chemistry, making it far more acidic than previously. Many reef animals were killed by this extinction, in addition to brachiopods; many vertebrates were also affected. 

(By @paleoart​) 

So the Permian was a hard, broken world when the Siberian Traps - one of the largest lava flows in Earth’s History, and one of the largest volcanic events known - exploded, leading to even more dramatic climate change and extremely rapid global warming. This lead to acidification of the ocean’s and a dramatic drop in ocean oxygen. Almost every group of organisms was dramatically affected, and this extinction was the largest known in Earth’s History, with between 85-96% of life on Earth dying out (and some researchers thinking it may have even been higher), leading to this extinction being dubbed The Great Dying. Many groups utterly disappeared, despite having been features of the entire Paleozoic Eon (the eon that the Permian was at the end of) - trilobites, eurypterids, “spiny sharks”, tabulate and rugose corals, and blastoids complete disappeared, as did many other groups. Brachiopods, Gastropods, Ammonites, Radiolarians, Foraminiferans, Crinoids, and most Parareptiles also went extinct, as did many synapsids and amphibians. It was an utter catastrophe. 

(By @paleoart​) 

The Permian was a time of extensive hardship, dramatic changes, and extinction event after extinction event. Life was truly on the brink - just as it was beginning to settle into terrestrial existence. So new animals, from insects to amniotes to conifers, spent their school years in a prehistoric hunger games - and only a few species managed to reach the weirdness kiln of the Triassic. 

Welcome to the Permian. 

The Most Hardcore Period of Earth’s History. 

ok well this blew my mind

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