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Calabrian

Geologic time scale
Calabrian is a subdivision of the Pleistocene Epoch of the geologic time scale, defined as 1.8 Ma—774,000 years ago ± 5,000 years, a period of ~1.026 million years. Wikipedia
Occurred: 1.8 million years ago - 0.781 million years ago
Chronological unit: Age
Lower boundary definition: Approximately 8 m after the end of magnetic polarity chronozone C2n (Olduvai)
Lower boundary GSSP: Vrica Section, Calabria, Italy; 39°02′19″N 17°08′05″E / 39.0385°N 17.1348°E
Lower GSSP ratified: 5 December 2011 (as base of Calabrian)
Stratigraphic unit: Stage