Kungurian | |||||||||||||
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283.5 ± 0.6 – 273.01 ± 0.14Ma | |||||||||||||
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 | Not formally defined | ||||||||||||
Lower boundary definition candidates | NearFAD of theConodontNeostreptognathodus pnevi | ||||||||||||
Lower boundary GSSP candidate section(s) | Mechetlino,Southern Ural Mountains,Russia | ||||||||||||
Upper boundary definition | FAD of the ConodontJinogondolella nanginkensis | ||||||||||||
Upper boundary GSSP | Stratotype Canyon,Guadalupe Mountains,Texas,U.S.A. 31°52′36″N104°52′36″W / 31.8767°N 104.8768°W /31.8767; -104.8768 | ||||||||||||
Upper GSSP ratified | 2001[2] |
TheKungurian was a subset of the time during thePermian period.