Type
Subchron
Age range
169.11–168.87 Ma
Middle Jurassic
Bajocian
M42n.3r
M42n.4n
M42r
169.12169.11169.10169.09169.08169.07169.06169.05169.04169.03169.02169.01169.00168.99168.98168.97168.96168.95168.94168.93168.92168.91168.90168.89168.88168.87168.86