Type
Zone
Age range
101.3–100.8 Ma

International Timescale

Early Cretaceous
Albian

Ammonite Zonation - Boreal

Arrhaphoceras briacensis
Mortoniceras perinflatum
Mortoniceras rostratum
101.32101.30101.28101.26101.24101.22101.20101.18101.16101.14101.12101.10101.08101.06101.04101.02101.00100.98100.96100.94100.92100.90100.88100.86100.84100.82100.80100.78

Macrostrat

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