Type
Subchron
Age range
137.06–136.87 Ma

International Timescale

Early Cretaceous
Valanginian
Berriasian

Geomagnetic Polarity Subchron

M11Ar
M12n
M12r.1r
137.06137.05137.04137.03137.02137.01137.00136.99136.98136.97136.96136.95136.94136.93136.92136.91136.90136.89136.88136.87

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