Topic summary

Paibian

Paibian
Subdivision of the Cambrian according to the ICS, as of 2024.
Vertical axis scale: Millions of years ago
EtymologyName formalityFormalName ratified2003Former name(s)Cambrian Stage 8Usage informationCelestial bodyEarthRegional usageGlobal (ICS)Time scale(s) usedICS Time ScaleDefinitionChronological unitAgeStratigraphic unitStageFirst proposed byShanchi et al., 2002Time span formalityFormalLower boundary definitionFAD of the TrilobiteGlyptagnostus reticulatusLower boundary GSSPPaibi section, Paibi, Hunan, China
28°23′22″N109°31′33″E / 28.3895°N 109.5257°E / 28.3895; 109.5257Lower GSSP ratified2003Upper boundary definitionFAD of the TrilobiteAgnostotes orientalisUpper boundary GSSPDuibian B Section, , Zhejiang, China
28°48′57″N118°36′54″E / 28.815967°N 118.614933°E / 28.815967; 118.614933Upper GSSP ratified2011

28°23′22″N109°31′33″E / 28.3895°N 109.5257°E / 28.3895; 109.5257 The Paibian is the lowest stage of the FurongianSeries of the CambrianSystem. The Paibian is also the first age of the Furongian Epoch of the Cambrian Period. It follows the Guzhangian (Miaolingian series of the Cambrian) and is succeeded by the Jiangshanian Stage. The base is defined as the first appearance of the trilobite Glyptagnostus reticulatus around 497 million years ago. The top, or the base of the Jiangshanian is defined as the first appearance of the trilobite Agnostotes orientalis around 494.2 million years ago.