Type
Zone
Age range
149.47–148.67 Ma

International Timescale

Late Jurassic
Tithonian
Kimmeridgian

Calcareous Nannoplankton Zones

NJ17
NJ16
NJ15
149.5149.4149.4149.3149.3149.3149.2149.2149.1149.1149.0148.9148.9148.8148.8148.8148.7148.7

Macrostrat

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