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                         Dorogomilovksian Russian Stage
 
                          From 305 To 303.9 +/- 0.9 Ma
 
  End Defined By:  Near lowest occurrences of the fusulinids Daixina, Jigulites 
     and Rugosofusulina, or lowest occurrence of Streptognathodus zethu.
 
  End Based On:  Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
 
 -- A Substage of --
  Eon:                  Phanerozoic        (542 - -5.5012e-005)
  Era:                  Paleozoic          (542 - 251)
  Period:               Carboniferous      (359.2 - 299)
  Epoch:                Pennsylvanian      (318.1 - 299)
  Sub-Epoch:            Late Pennsylvanian (306.5 - 299)
  ICS Stage:            Kasimovian         (306.5 - 303.9)
  Chinese Stage:        Mapingian          (310 - 299)
  European Epoch:       Silesian           (326.4 - 299)
  European Stage:       Stephanian         (306.5 - 299)
  North American Stage: Virgilian          (305 - 299)
 
 -- Preceeded By --
  North American Stage: Missourian       (306.5 - 305)
  Russian Stage:        Chamovnicheskian (306 - 305)
 
 -- Followed By --
  ICS Stage:     Gzhelian     (303.9 - 299)
  Russian Stage: Klazminskian (303.9 - 300.5)
 
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