Type
Zone
Age range
125.42–121.52 Ma

International Timescale

Early Cretaceous
Aptian
Barremian

Calcareous Nannoplankton Zones

CC7
CC6
CC5
125.4125.2125.0124.8124.6124.4124.2124.0123.8123.6123.4123.2123.0122.8122.6122.4122.2122.0121.8121.6121.4

Macrostrat

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