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
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
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
Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 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			Cambrian of Australia	Devonian of France	Permian-Jurassic of New Zealand		Permian of the Pamirs	European Faunal Zones	Cretaceous-Cenozoic of New Zealand		Neogene Mammal Ages of China
Quaternary	Holocene	Meghalayan										Wanganui	Haweran		0
		Northgrippian													0.0042
		Greenlandian													0.0082
	Pleistocene	Late Pleistocene												Nihewanian	0.0117
		Chibanian													0.129
		Chibanian											Castlecliffian		0.34
		Calabrian											Castlecliffian		0.774
		Calabrian											Nukumaruan		1.63
		Gelasian									MN 17		Nukumaruan		1.8
		Gelasian									MN 17		Mangapanian		2.4
Neogene	Pliocene	Piacenzian	Tertiary †								MN 16		Mangapanian	Yushean	2.58
											MN 16		Waipipian		3
											MN 15				3.2
		Zanclean													3.6
													Opoitian		3.7
											MN 14				4.2
											MN 13			Baodean	4.9
	Miocene	Messinian										Taranaki	Kapitean		5.333
		Messinian											Tongaporutuan		7.2
		Tortonian									MN 12				7.246
											MN 11				7.75
											MN 10				8.7
											MN 9				9.7
											MN 9	Southland	Waiauan		11.04
											MN 7 + 8			Tunggurian	11.1
		Serravallian									MN 7 + 8				11.63
											MN 6				12.8 *
											MN 6		Lillburnian		13.05
		Langhian									MN 5		Lillburnian	Shanwangian	13.82
													Clifdenian		15.1
												Pareora	Altonian		15.9
		Burdigalian									MN 4				15.98
											MN 3			Xiejiaan	16.9
											MN 3		Otaian		18.7
											MN 2				20
		Aquitanian													20.44
												Landon	Waitakian		21.7
											MN 1				22.4
Paleogene	Oligocene	Chattian													23.03
													Duntroonian		25.2
													Whaingaroan		27.3
		Rupelian													27.82
	Eocene	Priabonian													33.9
												Arnold	Runangan		34.6
													Kaiatan		36.7
		Bartonian											Kaiatan		37.71
		Bartonian											Bortonian		39.1
		Lutetian											Bortonian		41.2
												Dannevirke	Porangan		42.6
													Heretaungan		45.7
		Ypresian											Heretaungan		47.8
													Mangaorapan		48.9
													Waipawan		52
	Paleocene	Thanetian											Teurian		56
		Selandian													59.2
		Danian													61.6
Cretaceous	Late Cretaceous	Maastrichtian										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		93.9									Arowhanan
				Clarence	Ngaterian	95.2
					Motuan	99.5
	Early Cretaceous	Albian			Motuan	100.5
					Urutawan	103.3
				Taitai	Korangan	108.4
		Aptian			Korangan	113
		Aptian				117.5
		Barremian				121.4
		Hauterivian				125.77
		Valanginian				132.6
		Berriasian				139.8
Jurassic	Late Jurassic	Tithonian		Oteke		Puaroan		145
		Kimmeridgian		Oteke		Puaroan		149.2
				Kawhia		Ohauan		150
						Heterian		154.5
		Oxfordian						154.8
	Middle Jurassic	Callovian						161.5
		Callovian				Temaikan		164.3
		Bathonian						165.3
		Bajocian						168.2
		Aalenian						170.9
	Early Jurassic	Toarcian						174.7
		Toarcian		Herangi		Ururoan		176
		Pliensbachian				Ururoan		184.2
		Pliensbachian				Aratauran		188.9
		Sinemurian						192.9
		Hettangian						199.5
Triassic	Late Triassic	Rhaetian		Balfour		Otapirian		201.4
		Norian				Warepan		208.5
						Otamitan		217
						Oretian		221
		Carnian				Oretian		227
		Carnian		Gore		Kaihikuan		227.5
	Middle Triassic	Ladinian				Kaihikuan		237
		Ladinian				Etalian		238
		Anisian				Etalian		242
		Anisian				Malakovian		246
	Early Triassic	Olenekian				Malakovian		247.2
		Olenekian				Nelsonian		249
		Induan				Nelsonian		251.2
		Induan		DUrville		Makarewan		251.5
Permian	Lopingian	Changhsingian				Makarewan		Dorashamian	251.902
		Changhsingian				Waiitian		Dorashamian	253.2
		Wuchiapingian				Waiitian		Longtanian †	Dzhulfian	254.14
		Wuchiapingian				Puruhauan		Longtanian †	Dzhulfian	254.2
	Guadalupian	Capitanian				Aparima		Flettian	Midian	Capitanian	259.51
		Wordian						Flettian		Wordian	264.28
								Barettian			266
									Murgabian		266.2 *
		Roadian							Murgabian	Roadian	266.9
	Cisuralian	Kungurian							Kubergandian	Leonardian	Cathedralian	273.01
								Mangapirian	Kubergandian			276
									Bolorian			279.8
											Hessian	281.9 *
		Artinskian										283.5
			Telfordian					285
								Yakhtashian	286
									Wolfcampian	Lenoxian	286.1 *
											288.5
		Sakmarian						Sakmarian			290.1
		Asselian						Asselian		Nealian	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									Famennian	358.9
	Late Devonian	Frasnian									Frasnian	372.2
	Middle Devonian	Givetian			Givetian						382.7
	Middle Devonian	Eifelian			Couvinien						387.7
	Early Devonian	Emsian									393.3
		Pragian									407.6
		Pragian			Coblencien						408.2 *
		Lochkovian			Gedinnine		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
	Early Ordovician	Tremadocian					477.7
Cambrian	Furongian	Stage 10					Datsonian				485.4
		Stage 10					Payntonian				486.8 *
		Jiangshanian					Iverian				489.5
		Paibian					Idamean				494
	Miaolingian	Guzhangian					Series 3 †				Mindyallan	497
		Guzhangian									Boomerangian	499
		Drumian									Undillan	500.5
		Drumian									Floran	503
		Wuliuan		Stage 5 †							Templetonian	504.5
		Wuliuan		Stage 5 †							Ordian	507.8 *
	Series 2	Stage 4									Ordian	509
															510.8 *