Permian
Geologic period
>
:max_bytes(150000):strip_icc()/GettyImages-678826585-5c7fe4c7c9e77c0001fd5af4.jpg&imgrefurl=https://www.thoughtco.com/permian-period-300-250-million-years-1091430&h=938&w=1500&tbnid=i8wJW-MFJ39H7M&q=Permian&tbnh=94&tbnw=150&usg=AI4_-kSm9N1Fd7xCPq8MJuuLUoGuSI2a7A&vet=1&docid=CVaGwXAPpwJZmM&sa=X&ved=2ahUKEwihtOazlISGAxXSg4kEHabqBRkQ9QF6BAgAEAg)
The Permian is a geologic period and stratigraphic system which spans 47 million years from the end of the Carboniferous Period 298.9 million years ago, to the beginning of the Triassic Period 251.902 Mya. It is the last period of the Paleozoic... Wikipedia
Occurred: 298.9 (+/- 0.15) million years ago - 251.902 (+/- 0.024) million years ago
Era: Paleozoic
Epochs: Cisuralian, Guadalupian, and Lopingian
Chronological unit: Period
Lower boundary definition: FAD of the Conodont Streptognathodus isolatus within the morphotype Streptognathodus wabaunsensis chronocline
Lower boundary GSSP: Aidaralash, Ural Mountains, Kazakhstan; 50°14′45″N 57°53′29″E / 50.2458°N 57.8914°E
Lower GSSP ratified: 1996