Paleocene Epoch
From 65.5 +/- 0.3 To 55.8 +/- 0.2 Ma
Start Defined By: Iridium Anomaly. Associated with a major extinction
horizon (foraminifers, calcareous nannofossils, dinosaurs, etc.)
End Defined By: Base of negative carbon-isotope excursion.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
Australian Stage: Wangerripian (61.7 - 52)
New Zealand Stage: Waipawan (56.5 - 52)
North American Stage: Clarkforkian (56 - 55.5)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Cenozoic (65.5 - -5.5012e-005)
Period: Paleogene (65.5 - 23.03)
Informal Sub-era: Tertiary (65.5 - 1.806)
-- Preceeded By --
Era: Mesozoic (251 - 65.5)
Period: Cretaceous (145.5 - 65.5)
Epoch: Late Cretaceous (99.6 - 65.5)
ICS Stage: Maastrichtian (70.6 - 65.5)
European Epoch: Senonian (89.3 - 65.5)
Japanese Stage: Hetonian (77.1 - 65.5)
Regional Stage: Rognacian (68 - 65.5)
-- Followed By --
Epoch: Eocene (55.8 - 33.9)
Sub-Epoch: Early Eocene (55.8 - 48.6)
ICS Stage: Ypresian (55.8 - 48.6)
Californian Stage: Bulitian (55.8 - 53)
-- Contains the Following Sub-Epochs --
Sub-Epoch: Early Paleocene (65.5 - 61.7)
Sub-Epoch: Middle Paleocene (61.7 - 58.7)
Sub-Epoch: Late Paleocene (58.7 - 55.8)
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