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. 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
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
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
J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) 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			European Faunal Units	Cambrian of Siberia			Cenozoic Subepochs	Cambrian of Kazakhstan	Cambrian of Australia	Cretaceous Subepochs	Central Paratethys Stages	Cretaceous-Cenozoic of New Zealand
Quaternary	Holocene	Meghalayan													Wanganui	Haweran	0
		Northgrippian															0.0042
		Greenlandian															0.0082
	Pleistocene	Late Pleistocene								Late Pleistocene							0.0117
		Chibanian								Middle Pleistocene							0.129
		Chibanian								Middle Pleistocene						Castlecliffian	0.34
		Calabrian								Early Pleistocene						Castlecliffian	0.774
		Calabrian														Nukumaruan	1.63
		Gelasian														Nukumaruan	1.8
		Gelasian														Mangapanian	2.4
Neogene	Pliocene	Piacenzian	Tertiary †			Villanyian				Late Pliocene						Mangapanian	2.58
						Villanyian										Waipipian	3
						Ruscinian											3.1 *
		Zanclean								Early Pliocene							3.6
		Zanclean								Early Pliocene						Opoitian	3.7
	Miocene	Messinian				Turolian				Late Miocene					Taranaki	Kapitean	5.333
		Messinian														Tongaporutuan	7.2
		Tortonian												Pannonian			7.246
						Vallesian											8.7
						Vallesian									Southland	Waiauan	11.04
		Serravallian				Astaracian				Middle Miocene				Sarmatian			11.63
														Badenian			12.8 *
														Badenian		Lillburnian	13.05
		Langhian														Lillburnian	13.82
																Clifdenian	15.1
															Pareora	Altonian	15.9
		Burdigalian				Orleanian				Early Miocene						Altonian	15.98
						Orleanian										Otaian	18.7
						Agenian											20
		Aquitanian															20.44
		Aquitanian													Landon	Waitakian	21.7
Paleogene	Oligocene	Chattian								Late Oligocene						Waitakian	23.03
																Duntroonian	25.2
																Whaingaroan	27.3
		Rupelian								Early Oligocene							27.82
	Eocene	Priabonian								Late Eocene							33.9
															Arnold	Runangan	34.6
																Kaiatan	36.7
		Bartonian								Middle Eocene						Kaiatan	37.71
		Bartonian														Bortonian	39.1
		Lutetian														Bortonian	41.2
															Dannevirke	Porangan	42.6
																Heretaungan	45.7
		Ypresian								Early Eocene						Heretaungan	47.8
																Mangaorapan	48.9
																Waipawan	52
	Paleocene	Thanetian								Late Paleocene						Teurian	56
		Selandian								Middle Paleocene							59.2
		Danian								Early Paleocene							61.6
Cretaceous	Late Cretaceous	Maastrichtian											Senonian		Mata	Haumurian	66
		Campanian														Haumurian	72.1
		Santonian														Piripauan	83.6
		Santonian													Raukumara	Teratan	86.1
		Coniacian															86.3
		Turonian															89.8
																Mangaotanean	90.5
																Arowhanan	93.7
		Cenomanian														Arowhanan	93.9
															Clarence	Ngaterian	95.2
																Motuan	99.5
	Early Cretaceous	Albian											Gallic			Motuan	100.5
																Urutawan	103.3
															Taitai	Korangan	108.4
		Aptian														Korangan	113
		Aptian			117.5
		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						Meishanian	251.902
		Changhsingian						Baoqingian	253.4 *
		Wuchiapingian						Longtanian †	Laoshanian		254.14
		Wuchiapingian						Longtanian †	Laibinian		257.7 *
	Guadalupian	Capitanian							Lengwuan		259.51
		Wordian							Kuhfengian		264.28
		Roadian							Kuhfengian		266.9
	Cisuralian	Kungurian							Luodianian		273.01
		Artinskian				283.5			Luodianian
		Artinskian				Longlinian			285.4 *
		Sakmarian				Longlinian			290.1
		Asselian				Zisongian			293.52
Carboniferous	Pennsylvanian	Gzhelian				Zisongian			298.9
		Gzhelian							300.1
		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							382.7
	Middle Devonian	Eifelian							387.7
	Early Devonian	Emsian							393.3
		Pragian							407.6
		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	443.8
		Katian	445.2
		Sandbian	453
	Middle Ordovician	Darriwilian	458.4
	Middle Ordovician	Dapingian	467.3
	Early Ordovician	Floian	470
		Tremadocian	Ungurian	477.7
		Tremadocian	Ungurian	Mansian †					483.55 *
Cambrian	Furongian	Stage 10	Batyrbaian	Tavgian †					Ketyan †/Yurakian	Batyrbaian	Datsonian	485.4
		Stage 10									Payntonian	486.8 *
		Jiangshanian									Iverian	489.5
			Aksaian		Aksaian		490.7 *
			Sakian		Sakian		492.2 *
		Paibian					Idamean			494
		Paibian					Idamean		Ensyan †/Maduan/Nganasanian	494.7 *
	Miaolingian	Guzhangian	Series 3 †	Ayusokkanian					Ayusokkanian	Mindyallan	497
				Ayusokkanian					Ayusokkanian	Boomerangian	499
				Mayan/Menevian						Boomerangian	499.5
		Drumian							Zhanaarykian	Undillan	500.5
		Drumian							Tuesaian	Floran	503
		Wuliuan		Stage 5 †				Amgan/Solvan	Tuesaian	Templetonian	504.5
										Templetonian	505.3
										Ordian	507.8 *
	Series 2	Stage 4									509
					Toyonian			Lenian †	Toyonian		510 *
					Toyonian				Toyonian		510.8 *
					Botomian				Botomian		512.5 *
		Stage 3			Botomian				Botomian		514
		Stage 3			Atdabanian				Atdabanian		515.6 *
	Terreneuvian	Stage 2			Tommotian				Tommotian		521
		Stage 2			Nemakit-Daldynian						525.5
		Fortunian			Nemakit-Daldynian			Manykaian †			529
																	538.8