Type
Subchron
Age range
152.96–152.93 Ma
Late Jurassic
Kimmeridgian
M23r.1r
M23r.1n
M23r.2r
152.960152.958152.956152.954152.952152.950152.948152.946152.944152.942152.940152.938152.936152.934152.932152.930