Griesbachian Regional Stage
(Ellesmerian, Gangetian)
From 251 +/- 0.4 To 250.4 Ma
Start Defined By: Conodont, lowest occurrence of Hindeodus parvus;
termination of major negative carbon-isotope excursion. About 1 myr after
peak of Late Permian extinctions.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Mesozoic (251 - 65.5)
Period: Triassic (251 - 199.6)
Epoch: Early Triassic (251 - 245)
ICS Stage: Induan (251 - 249.7)
-- Preceeded By --
Era: Paleozoic (542 - 251)
Period: Permian (299 - 251)
Epoch: Late Permian (260.4 - 251)
ICS Stage: Changhsingian (253.8 - 251)
New Zealand Stage: Makabewan (253.8 - 251)
North American Stage: Ochoan (260.4 - 251)
Regional Stage: Thuringian (270.6 - 251)
-- Followed By --
Regional Stage: Dienerian (250.4 - 249.7)
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