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. J. Prevosti, C. O. Romano, A. M. Forasiepi, S. Hemming, R. Bonini, A. M. Candela, E. Cerdeño, M. C. Madozzo Jaén, P. E. Ortiz, F. Pujos, L. Rasia, G. I. Schmidt, M. Taglioretti, R. D. E. MacPhee, and U. F. J. Pardiñas. 2021. New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America. Scientific Reports 2021(11):9830 view
J. J. Flynn and C. C. Swisher, III. 1995. Cenozoic South American Land Mammal Ages: correlation to global geochronology. Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication 54:317-333 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				South American Land Mammal Ages		Cretaceous Subepochs	Central Paratethys Stages
Quaternary	Pleistocene	Late Pleistocene								Lujanian				0.0117
		Chibanian								Lujanian				0.129
		Chibanian								Ensenadan				0.3 *
		Calabrian								Ensenadan				0.774
		Calabrian								Sanandresian	Uquian †			1.7 *
		Gelasian								Sanandresian				1.8
Neogene	Pliocene	Piacenzian	Tertiary †							Vorohuean				2.58
		Piacenzian								Chapadmalalan				2.9 *
		Zanclean								Chapadmalalan				3.6
										Montehermosan				3.7 *
										Huayquerian				4.9 *
	Miocene	Messinian												5.333
		Tortonian											Pannonian	7.246
										Chasicoan				7.9 *
										Mayoan				9.9 *
										Laventan				10.9 *
		Serravallian											Sarmatian	11.63
													Badenian	12.8 *
										Colloncuran			Badenian	13.7 *
		Langhian								Colloncuran				13.82
		Langhian								Friasian				15.4 *
		Burdigalian								Friasian				15.98
										Santacrucian				16.2 *
										Colhuehuapian				17.4 *
		Aquitanian								Colhuehuapian				20.44
		Aquitanian								Deseadan				20.9 *
Paleogene	Oligocene	Chattian												23.03
		Rupelian												27.82
		Rupelian								Tinguirirican				28.9 *
	Eocene	Priabonian								Tinguirirican				33.9
		Priabonian								Divisaderan				35.9 *
		Bartonian												37.71
		Lutetian												41.2
		Lutetian								Mustersan				41.9 *
		Ypresian								Mustersan				47.8
		Ypresian								Casamayoran				47.9 *
	Paleocene	Thanetian								Riochican				56
										Itaboraian				56.9 *
										Peligran				58.9 *
		Selandian												59.2
		Danian												61.6
		Danian								Tiupampan				62.4 *
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		251.902
	Lopingian	Wuchiapingian		Longtanian †	254.14
	Guadalupian	Capitanian			259.51
		Wordian			264.28
		Roadian			266.9
	Cisuralian	Kungurian			273.01
		Artinskian			283.5
		Sakmarian			290.1
		Asselian			293.52
Carboniferous	Pennsylvanian	Gzhelian			298.9
		Kasimovian			303.7
		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	443.8
		Katian					Pirgu	445.2
							Vormsi	449.6 *
			Nabala				Johvi †	450 *
			Viru			Rakvere		450.6 *
						Oandu		452 *
		Sandbian				Keila	Idavere †	453
						Haljala		453.9
						Kukruse		456.4 *
						Uhaku	Aluoja †	457.5 *
	Middle Ordovician	Darriwilian				Uhaku		458.4
						Lasnamagi		458.9 *
						Aseri		460.4 *
			Oeland			Kunda		462.9 *
						Kunda	Valaste †/Hunderum	464.3 *
						Volkhov		Langevoja †/Vaana/Saka	467.1 *
		Dapingian				Volkhov			467.3
		Dapingian				Billingen			469.3 *
	Early Ordovician	Floian							470
							Latorp †		470.1 *
						Hunneberg			473.7 *
		Tremadocian				Hunneberg			477.7
						Varangu			481.3 *
						Pakerort			482.2 *
Cambrian	Furongian	Stage 10				Pakerort			485.4
									486.3 *
									486.5
		Jiangshanian							489.5
		Paibian							494
	Miaolingian	Guzhangian							Series 3 †	497
		Drumian								500.5
		Wuliuan		Stage 5 †						504.5
														509