Campanian
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Birth and death years unknown
The Campanian is the fifth of six ages of the Late Cretaceous epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campanian spans the time from 83.6 (± 0.2) to 72.2 (± 0.2) million years ago. It is preceded by the Santonian and it is followed by the Maastrichtian. The Campanian w
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Accuracy is not guaranteed.
| Campanian | |||||||||
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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 | Base of Chron C33r | ||||||||
| Lower boundary GSSP | Bottaccione, Gubbio, Italy 43°21′46″N 12°34′58″E / 43.3627°N 12.5828°E | ||||||||
| Lower GSSP ratified | October 2022 | ||||||||
| Upper boundary definition | Mean of 12 biostratigraphic criteria | ||||||||
| Upper boundary GSSP | Grande Carrière quarry, Landes, France 43°40′46″N 1°06′48″W / 43.6795°N 1.1133°W | ||||||||
| Upper GSSP ratified | February 2001 | ||||||||
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