The Artinskian is in Earth's history, a chronostratigraphic stage of the Permian or the Cisuralium. The level ranges in absolute terms ( geochronological ) of about 290.1 million years to about 279.3 million years. The Artinskian following the Sakmarium and is detached from the Kungurian.
Naming and history
The Artinskian is after the place Arti (formerly Artinskian, ARTINSKI Zavod ) in the western part of the Ural Mountains named (Russia). Stage and name were proposed by Alexander Karpinski 1884.
Definition and GSSP
The beginning of the Artinskian is defined by the first appearance of bissell conodont species Sweetognathus whitei and Mesogondolella. The end of the stage is reached exculptus with the first appearance of the conodont species Neostreptognathus pnevi and Neostreptograthus. A GSSP (global valid type locality and type profile ) has not yet been ratified.