Type
Zone
Age range
161.4–160.8 Ma

International Timescale

Late Jurassic
Oxfordian

Ammonite Zonation - Boreal

Perisphinctes plicatilis
Cardioceras cordatum
Quenstedtoceras mariae
161.40161.35161.30161.25161.20161.15161.10161.05161.00160.95160.90160.85160.80

Macrostrat

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