Kungurian
Geologic period
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In the geologic timescale, the Kungurian is an age or stage of the Permian. It is the latest or upper of four subdivisions of the Cisuralian Epoch or Series. The Kungurian lasted between 283.5 and 273.01 million years ago. It was preceded by the... Wikipedia
Epoch: Cisuralian
Occurred: 283.5 (+/- 0.6) million years ago - 272.95 (+/- 0.11) million years ago
Age: 279.3 million to 272.3 million years ago
Lower boundary definition: Not formally defined
Lower boundary GSSP candidate section(s): Mechetlino, Southern Ural Mountains, Russia
Upper boundary definition: FAD of the Conodont Jinogondolella nanginkensis
Upper boundary GSSP: Stratotype Canyon, Guadalupe Mountains, Texas, U.S.A. 31°52′36″N 104°52′36″W / 31.8767°N 104.8768°W