Type
Subchron
Age range
163.1–162.95 Ma
Middle Jurassic
Callovian
M36n.1n
M36n.1r
M36n.2n
163.10163.09163.08163.07163.06163.05163.04163.03163.02163.01163.00162.99162.98162.97162.96162.95