GeoWhen Database  

Introduction

Geologic Timeline
(No Stages)

Geologic Timeline
(With Stages)

A-Z Stage List

Regional Information

Download Files

  
                              Artinskian ICS Stage
                          (Baigendzinian, Aktastinian)
 
                     From 284.4 +/- 0.7 To 275.6 +/- 0.7 Ma
 
  Start Defined By:  Near lowest occurrence of conodont Sweetognathus 
     whitei-Mesogondolella bisselli.
  End Defined By:  Near lowest occurrence of conodont Neostreptognathus pnevi - 
     N. exculptus.
 
  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:    Telfordian  (289 - 278)
  New Zealand Stage:    Mangapirian (278 - 270.6)
  North American Stage: Wolfcampian (299 - 280)
  North American Stage: Leonardian  (280 - 270.6)
 
 -- A Substage of --
  Eon:    Phanerozoic   (542 - -5.5012e-005)
  Era:    Paleozoic     (542 - 251)
  Period: Permian       (299 - 251)
  Epoch:  Early Permian (299 - 270.6)
 
 -- Preceeded By --
  ICS Stage: Sakmarian (294.6 - 284.4)
 
 -- Followed By --
  ICS Stage: Kungurian (275.6 - 270.6)
 

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.