Type
Subchron
Age range
71.449–69.269 Ma

International Timescale

Late Cretaceous
Maastrichtian

Geomagnetic Polarity Subchron

C31n
C31r
C32n.1n
71.571.471.371.271.171.070.970.870.770.670.570.470.370.270.170.069.969.869.769.669.569.469.369.2

Macrostrat

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