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, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
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			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					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
		Tremadocian	Warendian				482.8 *
Cambrian	Furongian	Stage 10	Franconian †/Dresbachian/Millardan					Late Cambrian	485.4
		Stage 10							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						Delamaran	Waucoban †	Early Cambrian	509
		Stage 4						Dyeran			511 *
		Stage 3						Dyeran			514
								Montezuman			514.8 *
								Begadean			519.9 *
	Terreneuvian	Stage 2									521
	Terreneuvian	Fortunian									529
															538.8