Tournaisian ICS Stage
(Courceyan)
From 359.2 +/- 2.5 To 345.3 +/- 2.1 Ma
Start Defined By: Conodont, above lowest occurrence of Siphonodella sulcata.
End Defined By: Foraminifer, lineage Eoparastaffella simplex morphotype 1/
morphotype 2.
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: La Serre, Montagne Noir, Cabrihres,
southern France
-- Overlaps With --
Chinese Stage: Yanguan (349.5 - 345)
North American Stage: Osagean (348 - 340)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Carboniferous (359.2 - 299)
Epoch: Mississippian (359.2 - 318.1)
Sub-Epoch: Early Mississippian (359.2 - 345.3)
European Epoch: Dinantian (359.2 - 326.4)
-- Preceeded By --
Period: Devonian (416 - 359.2)
Epoch: Late Devonian (385.3 - 359.2)
ICS Stage: Famennian (374.5 - 359.2)
North American Stage: Chatauquan (370 - 359.2)
-- Followed By --
Sub-Epoch: Middle Mississippian (345.3 - 326.4)
ICS Stage: Visean (345.3 - 326.4)
Regional Stage: Chadian (345.3 - 341)
-- Contains the Following Stages --
Chinese Stage: Shaodongian (359.2 - 349.5)
North American Stage: Kinderhookian (359.2 - 348)
Regional Stage: Hastarian (359.2 - 348)
Regional Stage: Ivorean (348 - 345.3)
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