By the end of the era, the first large, sophisticated reptiles and the first modern plants, (conifers) had developed.The Paleozoic Era ended with the largest mass extinction in Earth's history, the Permian-Triassic Extinction Event.. 
jẹ́ olórin ará Nàìjíríà.Ìtọ́kasí àwọn Ọjọ́ìbí ni àwọn olórin ará Nàìjíríà.. 