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G. plesiotumida/G. lenguaensis CRSZ
1584
Type
Subzone
Age range
8.58–6.13
Ma
International Timescale
Miocene
Messinian
Tortonian
Planktic Foraminiferal Secondary Biozones
G. extremus PRZ - Atlantic
G. plesiotumida/G. lenguaensis CRSZ
N. acostaensis LOSZ
8.6
8.5
8.4
8.3
8.2
8.1
8.0
7.9
7.8
7.7
7.6
7.5
7.4
7.3
7.2
7.1
7.0
6.9
6.8
6.7
6.6
6.5
6.4
6.3
6.2
6.1
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