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                              Santonian ICS Stage
 
                      From 85.8 +/- 0.7 To 83.5 +/- 0.7 Ma
 
  Start Defined By:  Inoceramid bivalve, lowest occurrence of Cladoceramus 
     undulatoplicatus.
  End Defined By:  Crinoid, extinction of Marsupites testudinarius.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- 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)
  Japanese Stage:    Urakawan        (89.3 - 77.1)
  New Zealand Stage: Teratan         (87 - 83.5)
 
 -- Preceeded By --
  ICS Stage: Coniacian (89.3 - 85.8)
 
 -- Followed By --
  ICS Stage:      Campanian  (83.5 - 70.6)
  Regional Stage: Valdonnian (83.5 - 77)
 

This page was automatically generated from the GeoWhen database (version 1.1.0).  Please read the introduction regarding the accuracy and reliability of this information.  Comments, corrections, and additions can be sent to geowhen@robertrohde.com.  References to published academic literature are preferred.

Introduction

Geologic Timeline
(No Stages)

Geologic Timeline
(With Stages)

A-Z Stage List

Regional Information

Download Files


2003-2005 GeoWhen Database
Prepared By Robert A. Rohde


This page was last updated on Tuesday, January 18, 2005.