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Intervals
Macrostrat
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NP18
305
Type
Zone
Age range
36.94–36.84
Ma
International Timescale
Eocene
Priabonian
Calcareous Nannoplankton Zones
NP19-20
NP18
NP17
36.94
36.94
36.93
36.92
36.92
36.91
36.91
36.91
36.90
36.90
36.89
36.88
36.88
36.88
36.87
36.87
36.86
36.85
36.85
36.84
36.84
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