Late Jurassic Epoch
(Upper Jurassic, Malm, Morrisonian)
From 161.2 +/- 4 To 145.5 +/- 4 Ma
Start Defined By: Ammonite, Brightia thuouxensis Horizon at base of the
Cardioceras scarburgense Subzone (Quenstedtoceras mariae Zone).
End Defined By: Maybe near lowest occurrence of ammonite Berriasella jacobi.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
Regional Stage: Volgian (150.8 - 142)
Regional Stage: Portlandian (146 - 142)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Mesozoic (251 - 65.5)
Period: Jurassic (199.6 - 145.5)
-- 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 --
Period: Cretaceous (145.5 - 65.5)
Epoch: Early Cretaceous (145.5 - 99.6)
ICS Stage: Berriasian (145.5 - 140.2)
European Epoch: Neocomian (145.5 - 130)
Japanese Stage: Kochian (145.5 - 136.4)
New Zealand Stage: Mokoiwian (145.5 - 119)
North American Stage: Coahulian (145.5 - 127)
-- Contains the Following Stages --
ICS Stage: Oxfordian (161.2 - 155.7)
ICS Stage: Kimmeridgian (155.7 - 150.8)
ICS Stage: Tithonian (150.8 - 145.5)
Chinese Stage: Suiningian (161.2 - 149)
Chinese Stage: Penglaizhenian (149 - 145.5)
New Zealand Stage: Puaroan (150 - 145.5)
New Zealand Stage: Heterian (156 - 152)
New Zealand Stage: Ohauan (152 - 150)
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