Type
Chron
Age range
144–142.22 Ma
Early Cretaceous
Berriasian
Late Jurassic
Tithonian
M16
M17
M18
144.0143.9143.8143.7143.6143.5143.4143.3143.2143.1143.0142.9142.8142.7142.6142.5142.4142.3142.2