Miaolingian

The Miaolingian is the third Series of the Cambrian Period, and was formally named in 2018. It lasted from about 509 to 497 million years ago and is divided in ascending order into 3 stages: the Wuliuan, Drumian, and Guzhangian. The Miaolingian is preceded by the unnamed Cambrian Series 2 and succeeded by the Furongian series.

Miaolingian
Chronology
Etymology
Name formalityFormal
Name ratified2018
Former name(s)Cambrian Series 3
Usage information
Celestial bodyEarth
Regional usageGlobal (ICS)
Time scale(s) usedICS Time Scale
Definition
Chronological unitEpoch
Stratigraphic unitSeries
Time span formalityFormal
Lower boundary definitionFAD of the Trilobite Oryctocephalus indicus.
Lower boundary GSSPWuliu-Zengjiayan, Guizhou, China
26.0807°N 108.4138°E / 26.0807; 108.4138
Lower GSSP ratified2018
Upper boundary definitionFAD of the Trilobite Glyptagnostus reticulatus
Upper boundary GSSPPaibi section, Paibi, Hunan, China
28.3895°N 109.5257°E / 28.3895; 109.5257
Upper GSSP ratified2003
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