Type
Zone
Age range
133.4–133 Ma

International Timescale

Early Cretaceous
Valanginian

Ammonite Zonation - Boreal

Milanowskia speetonensis
Speetoniceras inversum
Endemoceras regale
133.40133.38133.36133.34133.32133.30133.28133.26133.24133.22133.20133.18133.16133.14133.12133.10133.08133.06133.04133.02133.00

Macrostrat

Data

Platform

Links

Actions

View on map View in Sift