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                               Eifelian ICS Stage
                                 (Southwoodian)
 
                     From 397.5 +/- 2.7 To 391.8 +/- 2.7 Ma
 
  Start Defined By:  Conodont, lowest occurrence of Polygnathus costatus 
     partitus; major faunal turnover.
  End Defined By:  Conodont, lowest occurrence of Polygnathus hemiansatus, near 
     base of goniatite Maenioceras Stufe.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
  Global Stratotype Section and Point:  Wetteldorf Richtschnitt, 
     Schšnecken-Wetteldorf, Eifel Hills, western Germany
 
 -- A Substage of --
  Eon:                  Phanerozoic     (542 - -5.5012e-005)
  Era:                  Paleozoic       (542 - 251)
  Period:               Devonian        (416 - 359.2)
  Epoch:                Middle Devonian (397.5 - 385.3)
  Chinese Stage:        Yingtangian     (397.5 - 391.4)
  North American Stage: Ulsterian       (416 - 391.8)
 
 -- Preceeded By --
  Epoch:     Early Devonian (416 - 397.5)
  ICS Stage: Emsian         (407 - 397.5)
 
 -- Followed By --
  ICS Stage:            Givetian (391.8 - 385.3)
  North American Stage: Erian    (391.8 - 388)
 

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

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© 2003-2005 GeoWhen Database
Prepared By Robert A. Rohde


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