Type
Subchron
Age range
154.59–154.38 Ma
Late Jurassic
Kimmeridgian
M24r.1n
M24r.2r
M24An
154.59154.58154.57154.56154.55154.54154.53154.52154.51154.50154.49154.48154.47154.46154.45154.44154.43154.42154.41154.40154.39154.38