Type
Zone
Age range
132.8–132.5 Ma
Early Cretaceous
Hauterivian
Valanginian
Simbirskites marginatus
Craspedodiscus gottschei
Milanowskia speetonensis
132.80132.78132.76132.74132.72132.70132.68132.66132.64132.62132.60132.58132.56132.54132.52132.50