Type
Zone
Age range
133–132.8 Ma

International Timescale

Early Cretaceous
Valanginian

Ammonite Zonation - Boreal

Craspedodiscus gottschei
Milanowskia speetonensis
Speetoniceras inversum
133.00132.99132.98132.97132.96132.95132.94132.93132.92132.91132.90132.89132.88132.87132.86132.85132.84132.83132.82132.81132.80

Macrostrat

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