Type
Zone
Age range
104.1–101.7 Ma
Early Cretaceous
Albian
Mortoniceras rostratum
Mortoniceras fallax
Mortoniceras inflatum
104.2104.1104.0103.9103.8103.7103.6103.5103.4103.3103.2103.1103.0102.9102.8102.7102.6102.5102.4102.3102.2102.1102.0101.9101.8101.7101.6