Permian (299 mya - 251 mya) (19 sept. 299000000 av. J.-C. – 18 sept. 251000000 av. J.-C.)
Description:
Reptiles undergo further diversification, particularly the ones with "mammal-like" forms; Pangea forms; mass extinction marks the end of this periodAjouté au bande de temps:
Date:
19 sept. 299000000 av. J.-C.
18 sept. 251000000 av. J.-C.
~ 5883516 years
