Selandian
The Selandian is a stage in the Paleocene. It spans the time between 61.6 and 59.2 Ma. It is preceded by the Danian and followed by the Thanetian. Sometimes the Paleocene is subdivided in subepochs, in which the Selandian forms the "middle Paleocene".
| Selandian | |||||||||||||
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| Chronology | |||||||||||||
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| Formerly part of | Tertiary Period/System | ||||||||||||
| 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 | Onset of sea-level drop and carbon isotope shift | ||||||||||||
| Lower boundary GSSP | Zumaia Section, Basque Country, Spain 43.2992°N 2.2610°W | ||||||||||||
| Lower GSSP ratified | 2008 | ||||||||||||
| Upper boundary definition | Base of magnetic polarity chronozone C26n | ||||||||||||
| Upper boundary GSSP | Zumaia Section, Basque Country, Spain 43.2996°N 2.2609°W | ||||||||||||
| Upper GSSP ratified | 2008 | ||||||||||||
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