Palaeos: Palaeos Timescale
Paleozoic Era Paleozoic Timescale


The Paleozoic Era

The Geological Timescale

 


International Stratigraphic Chart


Period
Epoch
Age
end - began (Mya)
Permian PLopingian P3Changhsingian (or Changxingian) p9254 - 251
Wuchiapingian p8 260 - 254
Guadalupian P2Capitanian p7 266 - 260
Wordian p6268 - 266
Roadian p5 271 - 268
Cisuralian P1Kungurian p4 276 - 271
Artinskian p3 284 - 276
Sakmarian p2 295 - 284
Asselian p1 299 - 295
Carboniferous CPennsylvanian C2Gzhelian c7304 - 299
Kasimovian c6 307 - 304
Moscovian c5 312 - 307
Bashkirian c4 318 - 312
Mississippian C1Serpukhovian c3327 - 318
Viséan c2345 - 326
Tournaisian c1359 - 345
Devonian DLate Devonian D3Famennian d7375 - 359
Frasnian d6385 - 375
Middle Devonian D2Givetian d5392 - 385
Eifelian d4398 - 392
Lower/early D1Emsian d3407 - 398
Praghian d2411 - 407
Lochkovian d1416 - 411
Silurian SPridoli S4 s8 419 - 416
Ludlow S3Ludfordian s7421 - 419
Gorstian s6 423 - 421
Wenlock S2Homerian s5426 - 423
Sheinwoodian s4 428 - 426
Llandovery S1Telychian s3436 - 428
Aeronian s2 439 - 436
Rhuddanian s1 444 - 439
Ordovician OLate Ordovician O3Hirnantian446 - 444
Ordovician VI 456 - 446
Sandbian 461 - 456
Middle Ordovician O2Darriwilian 468 - 461
Ordovician III 472 - 468
Early Ordovician O1Floian 479 - 472
Tremadoc 488 - 479
Cambrian ЄLate Cambrian Є3["Dolgellian"]493 - 488
Paiban 501 - 493
Middle Cambrian Є2["Menevian"]       - 501
["Amgan"]513 -
Early Cambrian Є1 520 - 545





Harland et al

Era
Sub-Era
Period
Epoch
Age
when began (mya)
Mesozoic Triassic Scythian Griesbachian 245.0
Palaeozoic Permian Zechstein Changxingian
(Tatarian)
247.5
Longtanian 250.0
Capitanian 252.5
Wordian 255.0
Ufimian 256.1
Rotliegendes Kungurian 259.7
Artinskian 268.8
Sakmarian 281.5
Asselian 290.0
Carboniferous Pennsylvanian Gzhelian Noginskian 293.6
Klazminskian 295.1
Kasimovian Dorogomilovskian 298.3
Chamovnicheskian 299.9
Krevyakinskian 303.0
Moscovian Myachkovskian 305.0
Podolskian 307.1
Kashirskian 309.2
Vereiskian 311.3
Bashkirian Melekesskian 313.4
Cheremshanskian 318.3
Yeadonian 320.6
Marsdenian 321.5
Kinderscoutian 322.8
Mississippian Serpukhovian Alportian 325.6
Chokierian 328.3
Arnsbergian 331.1
Pendleian 332.9
Visťan Brigantian 336.0
Asbian 339.4
Holkerian 342.8
Arundian 345.0
Chadian 349.5
Tournaisian Ivorian 353.8
Hastarian 362.5
Devonian Upper Famennian 367.0
Frasnian 377.4
Middle Givetian 380.8
Eifelian 386.0
Lower Emsian 390.4
Pragian 396.3
Lochkovian 408.5
Silurian Pridoli 410.7
Ludlow Ludfordian 415.1
Gorstian 424.0
Wenlock Gleedonian 425.4
Whitwellian 426.1
Sheinwoodian 430.4
Llandovery Telychian 432.6
Aeronian 436.9
Rhuddanian 439.0
Ordovician Bala Hirnantian Hirnantian 439.5
Rawtheyan 440.1
Cautleyan 440.6
Pusgillian 443.1
Caradoc Onnian 444.0
Actonian 444.5
Marshbrookian 447.1
Longvillian 449.7
Soudleyan 457.5
Harnagian 462.3
Costonian 463.9
Dyfed Llandeilo Late 465.4
Mid 467.0
Early 468.6
Llanvirn Late 472.7
Early 476.1
Canadian Arenig 493.0
Tremadoc 510.0
Cambrian Merioneth Dolgellian 514.1
Maentwrogian 517.2
St David's Menevian 530.2
Solvan 536.0
Caerfai Lenian 553.7
Atdabanian 560.0
Tommotian 570.0
Precambrian Sinian Ediacaran Ediacara Poundian 580



Acknowledgments:

external link Harland et al table modified from Stephen E. Jones, The Geological Timescale

external link ISC html table by Oscar van Vlijmen, Geologische tijdperken (slightly modified)




Sources:

printed reference Harland W.B., et al., "A Geologic Time Scale 1989," Cambridge University Press: Cambridge UK, Revised Edition, 1990.

printed referenceAllaby A. & Allaby M., eds, "A Dictionary of Earth Sciences," [1990], Oxford University Press: Oxford UK, Second Edition, 1999.

PDF documentInternational Stratigraphic Chart, International Union of Geological Sciences: International Commission on Stratigraphy, 2001, published by Micropress





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page uploaded 28 April 2002
checked ATW030303, last modified MAK110412