Middle Permian Epoch
(Guadalupian)
From 270.6 +/- 0.7 To 260.4 +/- 0.7 Ma
Start Defined By: Conodont, lowest occurrence of Jinogondolella
nanginkensis.
End Defined By: Conodont, lowest occurrence of conodont Clarkina postbitteri
(Mei & Wardlaw); and termination of a major global sea-level lowstand
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
Comment: In two Epoch models of the Permian, the entire Middle Permian is
added to the Late Permian.
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Permian (299 - 251)
Regional Stage: Thuringian (270.6 - 251)
-- Preceeded By --
Epoch: Early Permian (299 - 270.6)
ICS Stage: Kungurian (275.6 - 270.6)
New Zealand Stage: Mangapirian (278 - 270.6)
North American Stage: Leonardian (280 - 270.6)
-- Followed By --
Epoch: Late Permian (260.4 - 251)
ICS Stage: Wuchiapingian (260.4 - 253.8)
New Zealand Stage: Waiitian (260.4 - 253.8)
North American Stage: Ochoan (260.4 - 251)
-- Contains the Following Stages --
ICS Stage: Roadian (270.6 - 268)
ICS Stage: Wordian (268 - 265.8)
ICS Stage: Capitanian (265.8 - 260.4)
European Stage: Kazanian (270.6 - 260.4)
New Zealand Stage: Braxtonian (270.6 - 260.4)
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