Type
Zone
Age range
113.2–111.3 Ma
Early Cretaceous
Albian
Aptian
Douvilleiceras mammillatum
Leymeriella schrammeni
Hypacanthoplites jacobi
113.2113.1113.0112.9112.8112.7112.6112.5112.4112.3112.2112.1112.0111.9111.8111.7111.6111.5111.4111.3