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Intervals
Macrostrat
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M42n.3r
1155
Type
Subchron
Age range
168.87–168.85
Ma
International Timescale
Middle Jurassic
Bajocian
Geomagnetic Polarity Subchron
M42.3n
M42n.3r
M42n.4n
168.870
168.869
168.868
168.867
168.866
168.865
168.864
168.863
168.862
168.861
168.860
168.859
168.858
168.857
168.856
168.855
168.854
168.853
168.852
168.851
168.850
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