Thanetian
Geologic period
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The Thanetian is, in the ICS Geologic timescale, the latest age or uppermost stratigraphic stage of the Paleocene Epoch or Series. It spans the time between 59.2 and 56 Ma. The Thanetian is preceded by the Selandian Age and followed by the... Wikipedia
Epoch: Paleocene
Occurred: 59.2 million years ago - 56 million years ago
Lower boundary definition: Base of magnetic polarity chronozone C26n
Lower boundary GSSP: Zumaia Section, Basque Country, Spain; 43°17′59″N 2°15′39″W / 43.2996°N 2.2609°W
Upper boundary definition: Strong negative anomaly in δ13C values at the PETM
Upper GSSP ratified: 2003