Type
Subchron
Age range
131.92–131.74 Ma
Early Cretaceous
Hauterivian
M5r
M6n
M6r
131.92131.91131.90131.89131.88131.87131.86131.85131.84131.83131.82131.81131.80131.79131.78131.77131.76131.75131.74