Type
Subchron
Age range
152.93–152.64 Ma
Late Jurassic
Kimmeridgian
M23n
M23r.1r
M23r.1n
152.94152.92152.90152.88152.86152.84152.82152.80152.78152.76152.74152.72152.70152.68152.66152.64