Type
Zone
Age range
133.85–133.5 Ma

International Timescale

Early Cretaceous
Valanginian

Ammonite Zonation - Boreal

Endemoceras regale
Endemoceras noricum
Endemoceras amblygonium
133.86133.84133.82133.80133.78133.76133.74133.72133.70133.68133.66133.64133.62133.60133.58133.56133.54133.52133.50

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