Type
Zone
Age range
128.2–127.8 Ma
Early Cretaceous
Hauterivian
Ancyloceras inexum/S. pingue
Paracrioceras denckmanni
Paracrioceras elegans
128.20128.18128.16128.14128.12128.10128.08128.06128.04128.02128.00127.98127.96127.94127.92127.90127.88127.86127.84127.82127.80