Type
Zone
Age range
75.85–72.25 Ma

International Timescale

Late Cretaceous
Maastrichtian
Campanian

Calcareous Nannoplankton Zones

CC24
CC23
CC22
76.075.875.675.475.275.074.874.674.474.274.073.873.673.473.273.072.872.672.472.2

Macrostrat

Data

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