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			Cretaceous Subepochs	Carboniferous Subepochs	Cambrian of North America		Ordovician of Australia	European Faunal Units	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				Senonian									66
		Campanian													72.1
		Santonian													83.6
		Coniacian													86.3
		Turonian													89.8
		Cenomanian													93.9
	Early Cretaceous	Albian				Gallic									100.5
		Aptian													113
		Barremian													121.4
		Hauterivian				Neocomian									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					Late Pennsylvanian								298.9
		Kasimovian					Late Pennsylvanian								303.7
		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				489.5				Sunwaptan
		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