Type
Zone
Age range
77.56–76.77 Ma

International Timescale

Late Cretaceous
Campanian

Calcareous Nannoplankton Zones

CC22
CC21
CC20
77.577.577.577.477.377.377.377.277.277.177.077.077.076.976.876.876.8

Macrostrat

Data

Platform

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