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)
|