Artinskian
In the geologic timescale, the Artinskian is an age or stage of the Permian. It is a subdivision of the Cisuralian Epoch or Series. The Artinskian likely lasted between 290.1 and 283.5 million years ago (Ma) according to the most recent revision of the International Commission on Stratigraphy (ICS) in 2022. It was preceded by the Sakmarian and followed by the Kungurian.
| Artinskian | |||||||||||||
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| Chronology | |||||||||||||
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| Etymology | |||||||||||||
| Name formality | Formal | ||||||||||||
| Usage information | |||||||||||||
| Celestial body | Earth | ||||||||||||
| Regional usage | Global (ICS) | ||||||||||||
| Time scale(s) used | ICS Time Scale | ||||||||||||
| Definition | |||||||||||||
| Chronological unit | Age | ||||||||||||
| Stratigraphic unit | Stage | ||||||||||||
| Time span formality | Formal | ||||||||||||
| Lower boundary definition | FAD of the Conodont Sweetognathus whitei | ||||||||||||
| Lower boundary GSSP | Dalny Tulkas section, Southern Ural Mountains, Russia 53.9247°N 56.51615°E | ||||||||||||
| Lower GSSP ratified | February 2022 | ||||||||||||
| Upper boundary definition | Not formally defined | ||||||||||||
| Upper boundary definition candidates | Near FAD of the Conodont Neostreptognathodus pnevi | ||||||||||||
| Upper boundary GSSP candidate section(s) | Mechetlino, Southern Ural Mountains, Russia | ||||||||||||
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