After International Union of Geological Sciences: International Commission on Stratigraphy, 2002, 2003 and 2004

Eon

Era

Period

ended:

becan:

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Cenozoic

Neogene

0 Ma 23.03 Ma

Paleogene

23.03 Ma 65.5 ± 0.3 Ma

Mesozoic

Cretaceous

65.5 ± 0.3 Ma 145.5 ± 4.0 Ma

Jurassic

145.5 ± 4.0 Ma 199.6 ± 0.6 Ma

Triassic

199.6 ± 0.6 Ma 251.0 ± 0.4 Ma

Paleozoic

Permian

251.0 ± 0.4 Ma 299.0 ± 0.8 Ma

Carboniferous

299.0 ± 0.8 Ma 359.2 ± 2.5 Ma

Devonian

359.2 ± 2.5 Ma 416.0 ± 2.8 Ma

Silurian
[Gothlandian]

416.0 ± 2.8 Ma 443.7 ± 1.5 Ma

Ordovician

443.7 ± 1.5 Ma 488.3 ± 1.7 Ma

Cambrian

488.3 ± 1.7 Ma 542.0 ± 1.0 Ma

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Neoproterozoic

Ediacaran
[Vendian]

542.0 ± 1.0 Ma 650 Ma

Cryogenian

650 Ma 850 Ma

Tonian

850 Ma 1000 Ma

Mesoproterozoic
[“Riphean”]

Stenian
[“Karatavian”/“Yurmatian”]
[Dalslandian?]

1000 Ma 1200 Ma

Ectasian
[“Dalslandian”/“Jotnian”]

1200 Ma 1400 Ma

Calymmian
[“Burzyanian”]
[“Jotnian”?]

1400 Ma 1600 Ma

Paleoproterozoic

Statherian
[“Ulcanian”]
[“Jotnian”?]

1600 Ma 1800 Ma

Orosirian
[“Gothian”/“Karelian”]

1800 Ma 2050 Ma

Rhyacian
[“Udocanian”]
[“Svecofennian”]

2050 Ma 2300 Ma

Siderian
[“Udocanian”]
[“Svecofennian”]

2300 Ma 2500 Ma

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Neoarchean

 
2500 Ma 2800 Ma

Mesoarchean

 

2800 Ma 3200 Ma

Paleoarchean
[“Isuan”]

 

3200 Ma 3600 Ma

Eoarchean

 

3600 Ma not defined

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Note:

The colorscheme of this table follows the official recommendation of the IUGS and ICS

Reference(s):