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. 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			Permian of the Pamirs	Carboniferous Subepochs	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				Dorashamian									Buntsandstein	251.902
	Lopingian	Wuchiapingian		Longtanian †		Dzhulfian								Zechstein	Buntsandstein	254.14
	Guadalupian	Capitanian				Midian								Rotliegendes	Ohre/Aller	259.51
		Wordian				Midian									Leine	264.28
		Wordian				Murgabian									Leine	266.2 *
		Roadian				Murgabian										266.9
	Cisuralian	Kungurian				Kubergandian										273.01
		Kungurian				Bolorian										279.8
		Artinskian				Bolorian								Autunian		283.5
		Artinskian				Yakhtashian										286
		Sakmarian				Sakmarian										290.1
		Asselian				Asselian										293.52
Carboniferous	Pennsylvanian	Gzhelian					Late Pennsylvanian									298.9
		Kasimovian			303.7		Late Pennsylvanian
		Moscovian			Middle Pennsylvanian		307
		Bashkirian			Early Pennsylvanian		315.2
	Mississippian	Serpukhovian			Late Mississippian		323.2
		Visean			Middle Mississippian		330.9
		Tournaisian			Early Mississippian		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