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                              Pennsylvanian Epoch
                   (Upper Carboniferous, Late Carboniferous)
 
                      From 318.1 +/- 1.3 To 299 +/- 0.8 Ma
 
  Start Defined By:  Conodont, lowest occurrence of Declinognathodus 
     nodiliferus s.l.
  End Defined By:  Conodont, lowest occurrence of Streptognathodus isolatus 
     within the S. "wabaunsensis" conodont chronocline.  6 m higher is lowest 
     fusilinid foraminifer Sphaeroschwagerina.
 
  Start Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- Overlaps With --
  European Stage: Namurian (326.4 - 315)
 
 -- A Substage of --
  Eon:            Phanerozoic   (542 - -5.5012e-005)
  Era:            Paleozoic     (542 - 251)
  Period:         Carboniferous (359.2 - 299)
  European Epoch: Silesian      (326.4 - 299)
 
 -- Preceeded By --
  Epoch:                Mississippian      (359.2 - 318.1)
  Sub-Epoch:            Late Mississippian (326.4 - 318.1)
  ICS Stage:            Serpukhovian       (326.4 - 318.1)
  Chinese Stage:        Dewuan             (333 - 318.1)
  North American Stage: Chesterian         (333 - 318.1)
  Regional Stage:       Alportian          (324.5 - 318.1)
 
 -- Followed By --
  Period:               Permian       (299 - 251)
  Epoch:                Early Permian (299 - 270.6)
  ICS Stage:            Asselian      (299 - 294.6)
  North American Stage: Wolfcampian   (299 - 280)
 
 -- Contains the Following Sub-Epochs --
  Sub-Epoch: Early Pennsylvanian  (318.1 - 311.7)
  Sub-Epoch: Middle Pennsylvanian (311.7 - 306.5)
  Sub-Epoch: Late Pennsylvanian   (306.5 - 299)
 

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.