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Intervals
Macrostrat
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CC17
332
Type
Zone
Age range
84.1–81.43
Ma
International Timescale
Late Cretaceous
Campanian
Santonian
Calcareous Nannoplankton Zones
CC18
CC17
CC16
84.2
84.0
83.8
83.6
83.4
83.2
83.0
82.8
82.6
82.4
82.2
82.0
81.8
81.6
81.4
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