Type
Zone
Age range
123–118 Ma

International Timescale

Early Cretaceous
Aptian
Barremian

Ammonite Zonation - Boreal

Parahoplites nutfieldiensis
Epicheloniceras martinoides
Tropaeum bowerbanki
123.2123.0122.8122.6122.4122.2122.0121.8121.6121.4121.2121.0120.8120.6120.4120.2120.0119.8119.6119.4119.2119.0118.8118.6118.4118.2118.0117.8

Macrostrat

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