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
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
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 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

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International Chronostratigraphic Timescale			Obsolete Names for ICS Units			Permian of China	European Faunal Units	Cambrian of China
Neogene	Pliocene	Piacenzian	Tertiary †				Villanyian					2.58
		Piacenzian					Ruscinian					3.1 *
		Zanclean					Ruscinian					3.6
	Miocene	Messinian					Turolian					5.333
		Tortonian					Turolian					7.246
		Tortonian					Vallesian					8.7
		Serravallian					Astaracian					11.63
		Langhian					Astaracian					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				Meishanian						251.902
		Changhsingian				Baoqingian						253.4 *
		Wuchiapingian		Longtanian †		Laoshanian						254.14
		Wuchiapingian		Longtanian †		Laibinian						257.7 *
	Guadalupian	Capitanian				Lengwuan						259.51
		Wordian				Kuhfengian						264.28
		Roadian				Kuhfengian						266.9
	Cisuralian	Kungurian				Luodianian						273.01
		Artinskian				Luodianian						283.5
		Artinskian				Longlinian						285.4 *
		Sakmarian				Longlinian						290.1
		Asselian				Zisongian						293.52
Carboniferous	Pennsylvanian	Gzhelian				Zisongian						298.9
		Gzhelian										300.1
		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			382.7
	Middle Devonian	Eifelian			387.7
	Early Devonian	Emsian			393.3
		Pragian			407.6
		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	Harju		Porkuni		443.8
		Katian			Pirgu		445.2
					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			Uhaku			458.4
					Lasnamagi			458.9 *
					Aseri			460.4 *
			Oeland		Kunda			462.9 *
					Kunda		Valaste †/Hunderum	464.3 *
					Volkhov			Langevoja †/Vaana/Saka	467.1 *
		Dapingian			Volkhov				467.3
		Dapingian			Billingen				469.3 *
	Early Ordovician	Floian							470
							Latorp †		470.1 *
					Hunneberg				473.7 *
		Tremadocian			Hunneberg				477.7
					Varangu				481.3 *
					Pakerort				482.2 *
Cambrian	Furongian	Stage 10			Pakerort		Niuchehean		Taoyuanian †	485.4
										486.3 *
										486.5
		Jiangshanian					Jiangshanian			489.5
		Paibian					Paibian			494
		Paibian					Paibian		Waergangian †/Youshuanian	494.9 *
	Miaolingian	Guzhangian					Series 3 †		Guzhangian	Wangcunian †	497
		Drumian							Drumian	Wangcunian †	500.5
		Wuliuan		Stage 5 †					Wuliuan/Taijangian		504.5
	Series 2	Stage 4							Duyunian		509
	Series 2	Stage 3							Nangaoian		514
	Terreneuvian	Stage 2							Meishucunian		521
		Fortunian							Meishucunian		529
		Fortunian							Jinnigian		530.7
												538.8