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
M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 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. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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 North America						Cretaceous-Cenozoic of New Zealand		Carboniferous of China	Permian-Jurassic of New Zealand		Ordovician of Ibero-Bohemia				Cambrian of China	Cretaceous Subepochs
Quaternary	Holocene	Meghalayan										Wanganui	Haweran										0
		Northgrippian																					0.0042
		Greenlandian																					0.0082
	Pleistocene	Late Pleistocene																					0.0117
		Chibanian																					0.129
		Chibanian											Castlecliffian										0.34
		Calabrian											Castlecliffian										0.774
		Calabrian											Nukumaruan										1.63
		Gelasian											Nukumaruan										1.8
		Gelasian											Mangapanian										2.4
Neogene	Pliocene	Piacenzian	Tertiary †										Mangapanian										2.58
		Piacenzian											Waipipian										3
		Zanclean											Waipipian										3.6
		Zanclean											Opoitian										3.7
	Miocene	Messinian										Taranaki	Kapitean										5.333
		Messinian											Tongaporutuan										7.2
		Tortonian											Tongaporutuan										7.246
		Tortonian										Southland	Waiauan										11.04
		Serravallian											Waiauan										11.63
		Serravallian											Lillburnian										13.05
		Langhian											Lillburnian										13.82
													Clifdenian										15.1
												Pareora	Altonian										15.9
		Burdigalian											Altonian										15.98
		Burdigalian											Otaian										18.7
		Aquitanian											Otaian										20.44
		Aquitanian										Landon	Waitakian										21.7
Paleogene	Oligocene	Chattian											Waitakian										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									Senonian	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											Motuan									Gallic	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			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		251.902
		Changhsingian				Waiitian		253.2
		Wuchiapingian				Waiitian		Longtanian †	254.14
		Wuchiapingian				Puruhauan		Longtanian †	254.2
	Guadalupian	Capitanian				Aparima		Flettian	259.51
		Wordian						Flettian	264.28
		Wordian						Barettian	266
		Roadian							266.9
	Cisuralian	Kungurian							273.01
		Kungurian						Mangapirian	276
		Artinskian						Mangapirian	283.5
								Telfordian	285
									288.5
		Sakmarian							290.1
		Asselian	293.52
Carboniferous	Pennsylvanian	Gzhelian	Mapingian †						298.9
		Gzhelian							Xiaodushanian	300 *
		Kasimovian							Xiaodushanian	303.7
									Dalaun	305.8 *
										305.9
		Moscovian								307
		Bashkirian								315.2
									Huashibanian	318.5 *
									Lousuan	321.2 *
	Mississippian	Serpukhovian							Dewunian	323.2
		Serpukhovian							Shangsian	330.8 *
		Visean							Shangsian	330.9
		Visean							Jiusian	335 *
		Tournaisian							Tangbagouan	346.7
Devonian	Late Devonian	Famennian								Wocklum/Dasberg/Hemberg/Nehden	358.9
	Late Devonian	Frasnian								Adorf	372.2
	Middle Devonian	Givetian								Givetian	382.7
	Middle Devonian	Eifelian								Eifelian	387.7
	Early Devonian	Emsian								Emsian	393.3
		Pragian		Siegen			407.6
		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					Cincinnatian			Gamachian	Kosovian	443.8
		Katian								Gamachian	Kralodvorian	Bohdalec †	445.2
										Richmondian	Kralodvorian		446 *
										Richmondian	Berounian		449.7 *
										Maysvillian			Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
										Edenian				450.4 *
							Mohawkian			Chatfieldian				451.1 *
		Sandbian								Chatfieldian				453
										Turinian				453.7 *
										Turinian				Zahorany †/Vinice	Letna †	456.2 *
							Whiterockian						Canadian †	Zahorany †/Vinice		Chazyan †/Marmor	457 *
												Liben †					458 *
	Middle Ordovician	Darriwilian															458.4
											Dobrotivian						458.5 *
											Oretanian						459.7 *
												Sarka †					461.7 *
		Dapingian										Klabava †					467.3
											Arenigian						468
										Rangerian							469.1 *
	Early Ordovician	Floian					Ibexian			Blackhillsian						Jeffersonian †	Cassinian †	470
		Floian								Tulean								473.9 *
		Tremadocian								Tulean	Tremadocian							477.7
										Stairsian								480.3 *
										Skullrockian							Demingian †	482 *
Cambrian	Furongian	Stage 10								Skullrockian							Niuchehean	Taoyuanian †	485.4
		Stage 10															Niuchehean		487.5
		Jiangshanian															Jiangshanian		489.5
		Paibian															Paibian		494
		Paibian															Paibian	Waergangian †/Youshuanian	494.9 *
	Miaolingian	Guzhangian															Series 3 †	Guzhangian	Wangcunian †	497
		Drumian																Drumian	Wangcunian †	500.5
		Wuliuan																Stage 5 †	Wuliuan/Taijangian		504.5
	Series 2	Stage 4															Duyunian	509
	Series 2	Stage 3															Nangaoian	514
	Terreneuvian	Stage 2															Meishucunian	521
		Fortunian															Meishucunian	529
		Fortunian															Jinnigian	530.7
																							538.8