ഫലകം:Cambrian graphical timeline
ഫലകം വിക്കിപീഡിയ / From Wikipedia, the free encyclopedia
Key events in the Cambrian
-550 —
–
-540 —
–
-530 —
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-520 —
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-510 —
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-500 —
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-490 —
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N
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o
p
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P
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Ediacaran
Ordovician
T
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r
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e
r
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v
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S
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2
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2
M
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F
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Fortunian
"Stage 2"
"Stage 3"
"Stage 4"
Wuliuan
Drumian
Guzhangian
Paibian
Jiangshanian
"Stage 10"
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
Baykonurian glaciation
Baykonurian glaciation
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
←
Orsten Fauna
←
Burgess Shale
←
Kaili biota
←
Archaeocyatha extinction
←
Emu Bay Shale
←
Sirius Passet biota
←
Chengjiang biota
←
First Trilobites
←
SSF diversification, first brachiopods & archaeocyatha
←
First halkieriids, mollusсs, hyoliths SSF
←
Treptichnus pedum trace
Large negative peak δ 13Ccarb excursion
Large negative peak δ 13Ccarb excursion
←
First Cloudina & Namacalathus mineral tubular fossils
Stratigraphic scale of the ICS subdivisions and Precambrian/Cambrian boundary.