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. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
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

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International Chronostratigraphic Timescale			Obsolete Names for ICS Units			Ordovician of the Baltic				Obsolete Carboniferous Ages of China	Cambrian of North America		Ordovician of Australia	European Faunal Units	Cambrian Epochs	Central Paratethys Stages	Permian of Western Europe	Permian Subages of Germany
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																Buntsandstein	251.902
	Lopingian	Wuchiapingian		Longtanian †													Zechstein	Buntsandstein	254.14
	Guadalupian	Capitanian															Rotliegendes	Ohre/Aller	259.51
		Wordian																Leine	264.28
		Roadian																	266.9
	Cisuralian	Kungurian																	273.01
		Artinskian															Autunian		283.5
		Sakmarian																	290.1
		Asselian																	293.52
Carboniferous	Pennsylvanian	Gzhelian								Mapingian †									298.9
		Kasimovian								Mapingian †									303.7
		Kasimovian																	305.9
		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				Harju	Porkuni	Bolindian	443.8
		Katian					Pirgu	Bolindian	445.2
			Eastonian				Pirgu	449 *
							Vormsi	449.6 *
							Nabala	Johvi †	450 *
						Viru	Rakvere		450.6 *
			Oandu				Gisbornian		452 *
		Sandbian	Keila					Idavere †	453
			Haljala						453.9
			Kukruse						456.4 *
			Uhaku					Aluoja †	457.5 *
	Middle Ordovician	Darriwilian	Uhaku				Darriwilian		458.4
			Lasnamagi						458.9 *
			Aseri						460.4 *
			Oeland			Kunda			462.9 *
						Kunda		Valaste †/Hunderum	464.3 *
						Volkhov			Langevoja †/Vaana/Saka		467.1 *
		Dapingian					Yapeenian				467.3
							Castlemainian				468.5 *
						Billingen	Castlemainian				469.3 *
	Early Ordovician	Floian					Chewtonian				470
							Chewtonian	Latorp †			470.1 *
							Bendigonian				471.8 *
							Lancefieldian				473.5 *
						Hunneberg					473.7 *
		Tremadocian				Hunneberg					477.7
						Varangu					481.3 *
						Pakerort					482.2 *
							Warendian				482.8 *
Cambrian	Furongian	Stage 10						Franconian †/Dresbachian/Millardan				Late Cambrian	485.4
													486.3 *
													486.5
													Sunwaptan	487.5
		Jiangshanian											Sunwaptan	489.5
		Jiangshanian		Steptoean									493 *
		Paibian		Steptoean									494
	Miaolingian	Guzhangian		Series 3 †				Marjumian				Albertian †	Middle Cambrian	497
		Drumian						Marjumian						500.5
		Wuliuan						Stage 5 †						Topazan	504.5
		Wuliuan						Stage 5 †						Delamaran	506.5
	Series 2	Stage 4										Waucoban †	Early Cambrian	Delamaran	509
		Stage 4												Dyeran	511 *
		Stage 3												Dyeran	514
										Montezuman				514.8 *
										Begadean				519.9 *
	Terreneuvian	Stage 2												521
	Terreneuvian	Fortunian												529
																			538.8