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
D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. 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			Cambrian of Siberia			Obsolete Carboniferous Ages of China		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				Bolindian	443.8
		Katian				Bolindian	445.2
			Eastonian			449 *
			Gisbornian			452 *
		Sandbian	Gisbornian			453
	Middle Ordovician	Darriwilian	Darriwilian			458.4
		Dapingian	Yapeenian			467.3
		Dapingian	Castlemainian			468.5 *
	Early Ordovician	Floian	Chewtonian			470
			Bendigonian			471.8 *
			Lancefieldian			473.5 *
		Tremadocian	Lancefieldian			477.7
			Warendian			482.8 *
			Warendian			Mansian †	483.55 *
Cambrian	Furongian	Stage 10	Batyrbaian			Tavgian †	Ketyan †/Yurakian	Franconian †/Dresbachian/Millardan		Late Cambrian	485.4
		Stage 10									Sunwaptan	487.5
		Jiangshanian										489.5
			Aksaian									490.7 *
			Sakian									492.2 *
											Steptoean	493 *
		Paibian										494
		Paibian					Ensyan †/Maduan/Nganasanian					494.7 *
	Miaolingian	Guzhangian	Series 3 †			Ayusokkanian				Marjumian	Albertian †	Middle Cambrian	497
		Guzhangian				Mayan/Menevian							499.5
		Drumian				Mayan/Menevian							500.5
		Wuliuan		Stage 5 †		Amgan/Solvan				Topazan			504.5
		Wuliuan		Stage 5 †						Delamaran			506.5
	Series 2	Stage 4									Waucoban †	Early Cambrian	509
						Toyonian	Lenian †						510 *
						Toyonian				Dyeran			511 *
						Botomian							512.5 *
		Stage 3											514
										Montezuman			514.8 *
						Atdabanian				Montezuman			515.6 *
						Atdabanian				Begadean			519.9 *
	Terreneuvian	Stage 2				Tommotian							521
		Stage 2				Nemakit-Daldynian							525.5
		Fortunian				Nemakit-Daldynian	Manykaian †						529
																	538.8