The last period of the Paleozoic before the Apocalypse : Permian

The Permian begin with the grouping of all the continents, creating the Pangea. Vertebrates became totally terrestrials and reptiles diversify. But it is also known to end with the largest mass extiction, 90 percent of life diseppeared with the end of the Paleozoic. If you want to help me with my utip account : Sources and more informations : Rectifenestella - Acanthocladia - Thamnopora - Horridonia - Coledium - Xenodiscus - Juresanites - Permophorus - Deltoblastus -