Type
Subchron
Age range
140.42–139.94 Ma

International Timescale

Early Cretaceous
Berriasian

Geomagnetic Polarity Subchron

M15n
M15r
M16n
140.44140.42140.40140.38140.36140.34140.32140.30140.28140.26140.24140.22140.20140.18140.16140.14140.12140.10140.08140.06140.04140.02140.00139.98139.96139.94139.92

Macrostrat

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