Type
Subchron
Age range
156.78–156.75 Ma
Late Jurassic
Oxfordian
M26n.1r
M26n.2n
M26n.2r
156.780156.778156.776156.774156.772156.770156.768156.766156.764156.762156.760156.758156.756156.754156.752156.750