Zhungxian Chinese Stage
From 505 To 501 +/- 2 Ma
End Defined By: Trilobite, lowest occurrence of agnostoid Glyptagnostus
reticulatus. Coincides with base of large positive carbon-isotope
excursion.
End Based On: Gradstein, Ogg, Smith, _A Geologic Time Scale 2004_
-- Overlaps With --
Australian Stage: Undillian (506 - 504)
North American Stage: Delamaran (512 - 504)
North American Stage: Marjuman (504 - 494.5)
Russian-Kazakhian Stage: Amgan (513 - 502)
-- A Substage of --
Eon: Phanerozoic (542 - -5.5012e-005)
Era: Paleozoic (542 - 251)
Period: Cambrian (542 - 488.3)
Epoch: Middle Cambrian (513 - 501)
-- Preceeded By --
Chinese Stage: Zuzhuangian (509 - 505)
-- Followed By --
Epoch: Late Cambrian (501 - 488.3)
ICS Stage: Paibian (501 - 496)
Australian Stage: Mindyallan (501 - 497)
Regional Stage: Maentwrogian (501 - 496.8)
Russian-Kazakhian Stage: Ayusokkanian (501 - 494.5)
-- Contains the Following Stages --
Australian Stage: Boomerangian (504 - 501)
Russian-Kazakhian Stage: Mayan (502 - 501)
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