Urakawan Japanese Stage
From 89.3 +/- 1 To 77.1 Ma
Start Defined By: Inoceramid bivalve, lowest occurrence of Cremnoceramus
rotundatus.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
ICS Stage: Campanian (83.5 - 70.6)
New Zealand Stage: Mangaotanean (93 - 87)
Regional Stage: Valdonnian (83.5 - 77)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Mesozoic (251 - 65.5)
Period: Cretaceous (145.5 - 65.5)
Epoch: Late Cretaceous (99.6 - 65.5)
European Epoch: Senonian (89.3 - 65.5)
-- Preceeded By --
ICS Stage: Turonian (93.5 - 89.3)
European Epoch: Gallic (130 - 89.3)
Japanese Stage: Gyliakian (96.6 - 89.3)
-- Followed By --
Japanese Stage: Hetonian (77.1 - 65.5)
-- Contains the Following Stages --
ICS Stage: Coniacian (89.3 - 85.8)
ICS Stage: Santonian (85.8 - 83.5)
New Zealand Stage: Teratan (87 - 83.5)
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