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Intervals
Macrostrat
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M40n.1r
1171
Type
Subchron
Age range
166.89–166.77
Ma
International Timescale
Middle Jurassic
Bathonian
Geomagnetic Polarity Subchron
M40n.1n
M40n.1r
M40n.2n
166.90
166.89
166.88
166.88
166.88
166.87
166.87
166.86
166.85
166.85
166.84
166.84
166.84
166.83
166.82
166.82
166.81
166.81
166.81
166.80
166.79
166.79
166.78
166.78
166.78
166.77
166.76
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