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                               Pridoli Sub-Epoch
                                  (Yulongsian)
 
                      From 418.7 +/- 2.7 To 416 +/- 2.8 Ma
 
  Start Defined By:  Graptolite, lowest occurrence of Monograptus parultimus.
  End Defined By:  Graptolite, lowest occurrence of Monograptus uniformis.
 
  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:  Pozáry section near Reporje, Barrandian 
     area, Prague, Czech Republic
 
 -- A Substage of --
  Eon:                  Phanerozoic   (542 - -5.5012e-005)
  Era:                  Paleozoic     (542 - 251)
  Period:               Silurian      (443.7 - 416)
  Epoch:                Late Silurian (422.9 - 416)
  Australian Stage:     Melbournian   (428.2 - 416)
  North American Stage: Cayugan       (421.3 - 416)
 
 -- Preceeded By --
  Sub-Epoch:     Ludlow         (422.9 - 418.7)
  ICS Stage:     Ludfordian     (421.3 - 418.7)
  Chinese Stage: Miaogoalingian (422 - 418.7)
 
 -- Followed By --
  Period:               Devonian       (416 - 359.2)
  Epoch:                Early Devonian (416 - 397.5)
  ICS Stage:            Lochkovian     (416 - 411.2)
  Chinese Stage:        Lianhuashanian (416 - 413)
  North American Stage: Ulsterian      (416 - 391.8)
 

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.