PBDB Timescale

Obsolete Names for ICS Units

The interval definitions in this timescale are derived from the following sources:

W. B. Harland, R. L. Armstrong, A. V. Cox, L. E. Craig, A. G. Smith and D. G. Smith. 1990. A Geologic Time Scale 1989. view
K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 view
F. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
M. Harzhauser and W. E. Piller. 2004. Integrated stratigraphy of the Sarmatian (Upper Middle Miocene) in the western Central Paratethys. Stratigraphy 1(1):65-86 view

There are 55 timescales which overlap this one. show

Interval boundaries marked with * have been interpolated based on the differences between the ages for international timescale boundaries quoted in the source and the currently accepted ages for those boundaries.

Interval names marked with † are no longer in current use.

This timescale is used in the definition of 92 collections

Show more time

Show linear time

International Chronostratigraphic Timescale			Obsolete Names for ICS Units			Ordovician of China			European Faunal Units	Cambrian Epochs	Devonian of Czechoslovakia	Permian of Western Europe	Central Paratethys Stages	Ordovician of the Baltic
Neogene	Pliocene	Piacenzian	Tertiary †						Villanyian							2.58
		Piacenzian							Ruscinian							3.1 *
		Zanclean							Ruscinian							3.6
	Miocene	Messinian							Turolian							5.333
		Tortonian							Turolian				Pannonian			7.246
		Tortonian							Vallesian				Pannonian			8.7
		Serravallian							Astaracian				Sarmatian			11.63
		Serravallian											Badenian			12.8 *
		Langhian														13.82
		Burdigalian							Orleanian							15.98
		Burdigalian							Agenian							20
		Aquitanian							Agenian							20.44
Paleogene	Oligocene	Chattian														23.03
	Oligocene	Rupelian														27.82
	Eocene	Priabonian														33.9
		Bartonian														37.71
		Lutetian														41.2
		Ypresian														47.8
	Paleocene	Thanetian														56
		Selandian														59.2
		Danian														61.6
Cretaceous	Late Cretaceous	Maastrichtian														66
		Campanian														72.1
		Santonian														83.6
		Coniacian														86.3
		Turonian														89.8
		Cenomanian														93.9
	Early Cretaceous	Albian														100.5
		Aptian														113
		Barremian														121.4
		Hauterivian														125.77
		Valanginian														132.6
		Berriasian														139.8
Jurassic	Late Jurassic	Tithonian														145
		Kimmeridgian														149.2
		Oxfordian														154.8
	Middle Jurassic	Callovian														161.5
		Bathonian														165.3
		Bajocian														168.2
		Aalenian														170.9
	Early Jurassic	Toarcian														174.7
		Pliensbachian														184.2
		Sinemurian														192.9
		Hettangian														199.5
Triassic	Late Triassic	Rhaetian														201.4
		Norian														208.5
		Carnian														227
	Middle Triassic	Ladinian														237
	Middle Triassic	Anisian														242
	Early Triassic	Olenekian														247.2
	Early Triassic	Induan														251.2
Permian	Lopingian	Changhsingian														251.902
	Lopingian	Wuchiapingian		Longtanian †								Zechstein				254.14
	Guadalupian	Capitanian										Rotliegendes				259.51
		Wordian														264.28
		Roadian														266.9
	Cisuralian	Kungurian														273.01
		Artinskian										Autunian				283.5
		Sakmarian														290.1
		Asselian														293.52
Carboniferous	Pennsylvanian	Gzhelian														298.9
		Kasimovian														303.7
		Moscovian														307
		Bashkirian														315.2
	Mississippian	Serpukhovian			323.2
		Visean			330.9
		Tournaisian			346.7
Devonian	Late Devonian	Famennian			358.9
	Late Devonian	Frasnian			372.2
	Middle Devonian	Givetian			Srbsko	382.7
	Middle Devonian	Eifelian			Chotec	387.7
	Early Devonian	Emsian			Daleje/Zlichovian	393.3
		Pragian			Pragian	407.6
		Lochkovian			Lochkovian	410.8
Silurian	Pridoli					419.2
	Ludlow	Ludfordian				423
	Ludlow	Gorstian				425.6
	Wenlock	Homerian				427.4
	Wenlock	Sheinwoodian				430.5
	Llandovery	Telychian				433.4
		Aeronian				438.5
		Rhuddanian				440.8
Ordovician	Late Ordovician	Hirnantian				Hirnantian	Xiaoxita †/Shikou	Wufeng †	Harju	Porkuni	443.8
		Katian				Chientangkiangian		Wufeng †		Pirgu	445.2
						Neichianshanian/Hanjiang				Pirgu	449.5
			Vormsi							449.6 *
			Nabala							Johvi †	450 *
			Viru						Rakvere		450.6 *
									Oandu		452 *
		Sandbian							Keila	Idavere †	453
									Haljala		453.9
									Kukruse		456.4 *
									Uhaku	Aluoja †	457.5 *
	Middle Ordovician	Darriwilian				Darriwilian	Guniu †/Hulo		Uhaku		458.4
									Lasnamagi		458.9 *
									Aseri		460.4 *
			Oeland						Kunda		462.9 *
										Valaste †/Hunderum	464.3 *
							Hunjiang †	Dawan †/Daobaowan/Ningkuo			466.3 *
									Volkhov		Langevoja †/Vaana/Saka		467.1 *
		Dapingian				Dapingian			Volkhov				467.3
		Dapingian				Dapingian			Billingen				469.3 *
	Early Ordovician	Floian				Yiyangian							470
										Latorp †			470.1 *
									Hunneberg				473.7 *
		Tremadocian				Xinchangian							477.7
								Lianghekou †					477.9 *
									Varangu				481.3 *
									Pakerort				482.2 *
Cambrian	Furongian	Stage 10							Pakerort	Late Cambrian				485.4
														486.3 *
														486.5
		Jiangshanian												489.5
		Paibian												494
	Miaolingian	Guzhangian								Series 3 †				Middle Cambrian	497
		Drumian													500.5
		Wuliuan		Stage 5 †											504.5
	Series 2	Stage 4												Early Cambrian	509
	Series 2	Stage 3													514
	Terreneuvian	Stage 2													521
	Terreneuvian	Fortunian													529
																538.8