Type
Chron
Age range
137.94–136.87 Ma

International Timescale

Early Cretaceous
Valanginian
Berriasian

Geomagnetic Polarity Chron

M11A
M12
M12A
137.9137.9137.8137.8137.8137.7137.7137.6137.6137.5137.4137.4137.3137.3137.3137.2137.2137.1137.1137.0136.9136.9136.8

Macrostrat

Data

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