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Perisphinctes plicatilis
834
Type
Zone
Age range
160.8–160.1
Ma
International Timescale
Late Jurassic
Oxfordian
Ammonite Zonation - Boreal
Perisphinctes pumilus
Perisphinctes plicatilis
Cardioceras cordatum
160.8
160.8
160.7
160.7
160.6
160.6
160.5
160.4
160.4
160.3
160.3
160.3
160.2
160.2
160.1
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