Type
Zone
Age range
169–168.6 Ma

International Timescale

Middle Jurassic
Bajocian

Ammonite Zonation - Boreal

Parkinsonia parkinsoni
Garantiana garantiana
Strenoceras niortense
169.00168.98168.96168.94168.92168.90168.88168.86168.84168.82168.80168.78168.76168.74168.72168.70168.68168.66168.64168.62168.60

Macrostrat

Data

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