Valdonnian Regional Stage
From 83.5 +/- 0.7 To 77 Ma
Start Defined By: Crinoid, extinction of Marsupites testudinarius.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
Japanese Stage: Urakawan (89.3 - 77.1)
Japanese Stage: Hetonian (77.1 - 65.5)
-- 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)
ICS Stage: Campanian (83.5 - 70.6)
European Epoch: Senonian (89.3 - 65.5)
-- Preceeded By --
ICS Stage: Santonian (85.8 - 83.5)
New Zealand Stage: Teratan (87 - 83.5)
-- Followed By --
Regional Stage: Fuvelian (77 - 70.6)
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