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System/
Period 		Series/
Epoch 		Stage/
Age 		Age (Ma)
Triassic Lower/
Early 		Induan younger
Permian Lopingian Changhsingian 251.902 254.14
Wuchiapingian 254.14 259.1
Guadalupian Capitanian 259.1 265.1
Wordian 265.1 268.8
Roadian 268.8 272.95
Cisuralian Kungurian 272.95 283.5
Artinskian 283.5 290.1
Sakmarian 290.1 295.0
Asselian 295.0 298.9
Carboniferous Pennsylvanian Gzhelian older
Subdivision of the Permian system
according to the ICS, as of 2017.[1]
System Subsystem/
Series 		Stage Age (Ma)
Permian Cisuralian Asselian younger
Carboniferous Pennsylvanian Gzhelian 298.9 303.7
Kasimovian 303.7 307.0
Moscovian 307.0 315.2
Bashkirian 315.2 323.2
Mississippian Serpukhovian 323.2 330.9
Visean 330.9 346.7
Tournaisian 346.7 358.9
Devonian Late Famennian older
Subdivision of the Carboniferous system
according to the ICS, as of 2017.[2]
System/
Period 		Series/
Epoch 		Stage/
Age 		Age (Ma)
Carboniferous Mississippian Tournaisian younger
Devonian Upper/
Late 		Famennian 358.9 372.2
Frasnian 372.2 382.7
Middle Givetian 382.7 387.7
Eifelian 387.7 393.3
Lower/
Early 		Emsian 393.3 407.6
Pragian 407.6 410.8
Lochkovian 410.8 419.2
Silurian Pridoli no faunal stages defined older
Subdivision of the Devonian system
according to the ICS, as of 2017.[3]
System/
Period 		Series/
Epoch 		Stage/
Age 		Age (Ma)
Devonian Early Lochkovian younger
Silurian Pridoli no faunal stages defined 419.2 423.0
Ludlow Ludfordian 423.0 425.6
Gorstian 425.6 427.4
Wenlock Homerian 427.4 430.5
Sheinwoodian 430.5 433.4
Llandovery Telychian 433.4 438.5
Aeronian 438.5 440.8
Rhuddanian 440.8 443.8
Ordovician Late Hirnantian older
Subdivision of the Silurian system
according to the ICS, as of 2017.[4]
Fish
Choanozoa
950 mya
Cladogram - The evolution of Fish
System/
Period 		Series/
Epoch 		Stage/
Age 		Age (Ma)
Silurian Llandovery Rhuddanian younger
Ordovician Upper/
Late 		Hirnantian 443.8 445.2
Katian 445.2 453.0
Sandbian 453.0 458.4
Middle Darriwilian 458.4 467.3
Dapingian 467.3 470.0
Lower/
Early 		Floian 470.0 477.7
Tremadocian 477.7 485.4
Cambrian Furongian Stage 10 older
Subdivision of the Ordovician system
according to the ICS, as of 2017.[5]
System/
Period 		Series/
Epoch 		Stage/
Age 		Age (Ma)
Ordovician Lower/Early Tremadocian younger
Cambrian Furongian Stage 10 485.4 ~489.5
Jiangshanian ~489.5 ~494
Paibian ~494 ~497
Miaolingian Guzhangian ~497 ~500.5
Drumian ~500.5 ~504.5
Wuliuan ~504.5 ~509
Series 2 Stage 4 ~509 ~514
Stage 3 ~514 ~521
Terreneuvian Stage 2 ~521 ~529
Fortunian ~529 541.0
Ediacaran no faunal stages defined older
Subdivision of the Cambrian system
according to the ICS, as of 2018.[6]

The italicized stages do not have formal names.
Example
Neornithes
Sample of Template:Cladogram
Бозайници
Choanozoa
950 mya
Sample of Template:Cladogram
  1. ^ "Chart/Time Scale". www.stratigraphy.org. International Commission on Stratigraphy.
  2. ^ http://www.stratigraphy.org/index.php/ics-chart-timescale
  3. ^ http://www.stratigraphy.org/index.php/ics-chart-timescale
  4. ^ http://www.stratigraphy.org/index.php/ics-chart-timescale
  5. ^ http://www.stratigraphy.org/index.php/ics-chart-timescale
  6. ^ http://www.stratigraphy.org/index.php/ics-chart-timescale
More
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