Type
Chron
Age range
140.42–139.54 Ma

International Timescale

Early Cretaceous
Berriasian

Geomagnetic Polarity Chron

M14
M15
M16
140.4140.4140.3140.3140.3140.2140.2140.1140.1140.0139.9139.9139.8139.8139.8139.7139.7139.6139.6

Macrostrat

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