Type
Subchron
Age range
162.28–161.89 Ma
Middle Jurassic
Callovian
M34n.1n
M34n.1r
M34n.2n
162.28162.26162.24162.22162.20162.18162.16162.14162.12162.10162.08162.06162.04162.02162.00161.98161.96161.94161.92161.90161.88