Oxfordian ICS Stage
From 161.2 +/- 4 To 155.7 +/- 4 Ma
Start Defined By: Ammonite, Brightia thuouxensis Horizon at base of the
Cardioceras scarburgense Subzone (Quenstedtoceras mariae Zone).
End Defined By: Ammonite, near base of Pictonia baylei ammonite zone of
Boreal realm.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
New Zealand Stage: Heterian (156 - 152)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Mesozoic (251 - 65.5)
Period: Jurassic (199.6 - 145.5)
Epoch: Late Jurassic (161.2 - 145.5)
Chinese Stage: Suiningian (161.2 - 149)
-- Preceeded By --
Epoch: Middle Jurassic (175.6 - 161.2)
ICS Stage: Callovian (164.7 - 161.2)
Chinese Stage: Shaximioan (167 - 161.2)
New Zealand Stage: Temaikan (169 - 161.2)
-- Followed By --
ICS Stage: Kimmeridgian (155.7 - 150.8)
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