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Macrostrat
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A. pentacamerata PRZ
1529
Type
Zone
Age range
50.8–50.4
Ma
International Timescale
Eocene
Ypresian
Planktic Foraminiferal Primary Biozones
A. cuneicamerata LOZ
A. pentacamerata PRZ
M. aragonensis/M. subbotinae CRZ
50.80
50.78
50.76
50.74
50.72
50.70
50.68
50.66
50.64
50.62
50.60
50.58
50.56
50.54
50.52
50.50
50.48
50.46
50.44
50.42
50.40
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