Type
Subchron
Age range
161.39–161.28 Ma
Late Jurassic
Oxfordian
M33n.3n
M33n.3r
M33n.4n
161.39161.38161.38161.38161.37161.37161.36161.35161.35161.34161.34161.34161.33161.32161.32161.31161.31161.31161.30161.29161.29161.28161.28