Hastarian Regional Stage
(Chouteau)
From 359.2 +/- 2.5 To 348 Ma
Start Defined By: Conodont, above lowest occurrence of Siphonodella sulcata.
Start Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
Chinese Stage: Yanguan (349.5 - 345)
-- 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)
ICS Stage: Tournaisian (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 --
North American Stage: Osagean (348 - 340)
Regional Stage: Ivorean (348 - 345.3)
-- Contains the Following Stages --
Chinese Stage: Shaodongian (359.2 - 349.5)
North American Stage: Kinderhookian (359.2 - 348)
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