Type
Subchron
Age range
168.15–167.79 Ma
Middle Jurassic
Bathonian
M41n.3n
M41r
M42n.1n
168.16168.14168.12168.10168.08168.06168.04168.02168.00167.98167.96167.94167.92167.90167.88167.86167.84167.82167.80167.78