Type
Zone
Age range
101.7–101.3 Ma
Early Cretaceous
Albian
Mortoniceras perinflatum
Mortoniceras rostratum
Mortoniceras fallax
101.70101.68101.66101.64101.62101.60101.58101.56101.54101.52101.50101.48101.46101.44101.42101.40101.38101.36101.34101.32101.30