Type
Subchron
Age range
148.44–147.72 Ma

International Timescale

Late Jurassic
Tithonian

Geomagnetic Polarity Subchron

M20n.2n
M20r
M21n
148.4148.4148.3148.3148.3148.2148.2148.1148.1148.0147.9147.9147.8147.8147.8147.7

Macrostrat

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