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Intervals
Macrostrat
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M31r
1219
Type
Subchron
Age range
160.15–160.07
Ma
International Timescale
Late Jurassic
Oxfordian
Geomagnetic Polarity Subchron
M31n
M31r
M32n
160.15
160.15
160.14
160.13
160.13
160.13
160.12
160.12
160.11
160.10
160.10
160.09
160.09
160.09
160.08
160.07
160.07
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