Type
Zone
Age range
146–144.6 Ma

International Timescale

Late Jurassic
Tithonian

Ammonite Zonation - Boreal

Subcraspedites lamplughi
Subcraspedites preplicomphalus
Subcraspedites primitivus
146.0145.9145.8145.7145.6145.5145.4145.3145.2145.1145.0144.9144.8144.7144.6

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