Lexicon
Intervals
Macrostrat

M38n.3n

1190

Type

Subchron

Age range

164.32–164.24 Ma

International Timescale

Middle Jurassic

Callovian

Geomagnetic Polarity Subchron

M38n.2r

M38n.3n

M38n.3r

Macrostrat

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