Type
Zone
Age range
246.5–246.3 Ma

International Timescale

Middle Triassic
Anisian

Ammonite Zonation - Boreal

Anagymnotoceras varium
Lenotropites caurus
Siberlingites mulleri
246.50246.49246.48246.47246.46246.45246.44246.43246.42246.41246.40246.39246.38246.37246.36246.35246.34246.33246.32246.31246.30

Macrostrat

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