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Intervals
Macrostrat
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C33n
1331
Type
Subchron
Age range
79.9–74.309
Ma
International Timescale
Late Cretaceous
Campanian
Geomagnetic Polarity Subchron
C32r.2r
C33n
C33r
80.0
79.5
79.0
78.5
78.0
77.5
77.0
76.5
76.0
75.5
75.0
74.5
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