Yujianian Chinese Stage
From 410 To 407 +/- 2.8 Ma
End Defined By: Conodont, lowest occurrence of Polygnathus kitabicus (= Po.
dehiscens).
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Devonian (416 - 359.2)
Epoch: Early Devonian (416 - 397.5)
ICS Stage: Praghian (411.2 - 407)
North American Stage: Ulsterian (416 - 391.8)
-- Preceeded By --
Chinese Stage: Nagaolingian (413 - 410)
-- Followed By --
ICS Stage: Emsian (407 - 397.5)
|
