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Planktic Foraminiferal Datums
26
59.24 โ 56.3 Ma ยท 2 intervals
International timescale
Paleocene
Thanetian
Selandian
59.0
58.5
58.0
57.5
57.0
56.5
Planktic Foraminiferal Datums
Acarinina acarinata
Acarinina mckannai
Zone
Acarinina acarinata
Acarinina mckannai