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Danian

Danian

Period
The Danian is the oldest age or lowest stage of the Paleocene Epoch or Series, of the Paleogene Period or System, and of the Cenozoic Era or Erathem. The beginning of the Danian is at the Cretaceous–Paleogene extinction event 66 Ma. The age ended... Wikipedia
Epoch: Paleocene
Occurred: 66 million years ago - 61.6 million years ago
Chronological unit: Age
Lower boundary definition: Iridium enriched layer associated with a major meteorite impact and subsequent K–Pg extinction event
Lower boundary GSSP: El Kef Section, El Kef, Tunisia; 36°09′13″N 8°38′55″E / 36.1537°N 8.6486°E
Lower GSSP ratified: 1991
Stratigraphic unit: Stage