what years would the Permian period be in
Introduction to the Permian: 1  The Permian time period lasted 48 million years. 2  It lasted from about 299 m.y.a. to 251 m.y.a., taking up almost 1.06% of geologic time. 3  The Permian time period consisted of 3 epochs-. 4  Lopingian epoch. 5  Guadalupian epoch. 6  Cisuralian epoch. 7  This period was also the end to the Paleozoic Era.