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Intervals
Macrostrat
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M28n.4n
1226
Type
Subchron
Age range
158.78–158.69
Ma
International Timescale
Late Jurassic
Oxfordian
Geomagnetic Polarity Subchron
M28n.3r
M28n.4n
M28r
158.78
158.78
158.77
158.76
158.76
158.75
158.75
158.75
158.74
158.74
158.73
158.72
158.72
158.72
158.71
158.71
158.70
158.69
158.69
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