Type
Subchron
Age range
162.37–162.28 Ma
Middle Jurassic
Callovian
M34n.1r
M34n.2n
M34r
162.37162.37162.36162.35162.35162.34162.34162.34162.33162.32162.32162.31162.31162.31162.30162.29162.29162.28162.28