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                         Dongganglingian Chinese Stage
 
                         From 391.4 To 385.3 +/- 2.6 Ma
 
  End Defined By:  Conodont, lowest occurrence of Ancyrodella rotundiloba 
     (defines base of Lower Polygnathus asymmetricus conodont Zone).
 
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  North American Stage: Erian   (391.8 - 388)
  North American Stage: Senecan (388 - 370)
 
 -- 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)
  ICS Stage: Givetian        (391.8 - 385.3)
 
 -- Preceeded By --
  Chinese Stage: Yingtangian (397.5 - 391.4)
 
 -- Followed By --
  Epoch:     Late Devonian (385.3 - 359.2)
  ICS Stage: Frasnian      (385.3 - 374.5)
 

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.