Type
Subchron
Age range
169.63–169.52 Ma
Middle Jurassic
Bajocian
M43.1r
M43n.2n
M43n.2r
169.63169.63169.62169.62169.61169.60169.60169.59169.59169.59169.58169.57169.57169.56169.56169.56169.55169.54169.54169.53169.53169.53169.52