Type
Subchron
Age range
166.56–166.47 Ma
Middle Jurassic
Bathonian
M39n.5n
M39n.5r
M39n.6n
166.56166.56166.55166.54166.54166.53166.53166.53166.52166.51166.51166.50166.50166.50166.49166.49166.48166.47166.47