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G. bisphericus PRZ
1550
Type
Zone
Age range
17.54–16.4
Ma
International Timescale
Miocene
Burdigalian
Planktic Foraminiferal Primary Biozones
P. sicana LOZ
G. bisphericus PRZ
Globigerinatella sp./C. dissimilis CRZ
17.6
17.5
17.4
17.4
17.4
17.3
17.3
17.2
17.1
17.1
17.1
17.0
16.9
16.9
16.9
16.8
16.8
16.7
16.6
16.6
16.6
16.5
16.4
16.4
16.4
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