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
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
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			Devonian of Germany	Carboniferous of North America	Carboniferous of Western Europe		Cretaceous-Cenozoic of New Zealand		Cretaceous Subepochs	Central Paratethys Stages
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		Pannonian	7.246
		Tortonian								Southland	Waiauan		Pannonian	11.04
		Serravallian											Sarmatian	11.63
													Badenian	12.8 *
											Lillburnian		Badenian	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				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					Luodianian	283.5
		Artinskian					Longlinian	285.4 *
		Sakmarian					Longlinian	290.1
		Asselian					Bursumian †	Zisongian	293.52
		Asselian					Bursumian †		Kuzel	297.7
Carboniferous	Pennsylvanian	Gzhelian					Virgilian			298.9
										300.1
									Stephanian	Stephanian C		300.3 *
										Stephanian B		300.9 *
										Stephanian A		301.4 *
		Kasimovian					Missourian			Stephanian A		303.7
							Missourian			Cantabrian		305 *
							Desmoinesian					305.9 *
		Moscovian										307
									Westphalian	Westphalian D		307.4 *
										Westphalian C		309.8
							Atokan			Westphalian C		312.7 *
										Westphalian B		314.6
		Bashkirian	315.2							Westphalian B
			Westphalian A							317 *
			Westphalian A				Morrowan			318.4 *
			Namurian						Yeadonian	318.8 *
									Marsdenian	320.2 *
									Kinderscoutian	321.5 *
									Alportian	322 *
									Chokierian	323.1 *
	Mississippian	Serpukhovian					Chesterian		Chokierian	323.2
									Arnsbergian	324 *
									Pendleian	327.4 *
		Visean	Warnantian						Brigantian †	330.9
			Warnantian				Meramecian		Brigantian †	335.8 *
			Livian						Asbian †	336.3 *
			Moliniacian						Holkerian †/Arundian/Chadian	340.2 *
			Moliniacian				Osagean		Holkerian †/Arundian/Chadian	343.1 *
		Tournaisian	Ivorian				Osagean			346.7
			Ivorian				Kinderhookian			351.9 *
			Hastarian				Kinderhookian			353.7 *
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		443.8
		Katian		445.2
		Sandbian		453
	Middle Ordovician	Darriwilian		458.4
	Middle Ordovician	Dapingian		467.3
	Early Ordovician	Floian		470
	Early Ordovician	Tremadocian		Ungurian	477.7
Cambrian	Furongian	Stage 10		Batyrbaian	485.4
		Jiangshanian		Batyrbaian	489.5
				Aksaian	490.7 *
				Sakian	492.2 *
		Paibian		Sakian	494
	Miaolingian	Guzhangian		Series 3 †	Ayusokkanian	497
		Guzhangian				499.5
		Drumian			Zhanaarykian	500.5
		Drumian			Tuesaian	503
		Wuliuan			Tuesaian	Stage 5 †					504.5
		Wuliuan				Stage 5 †					505.3
	Series 2	Stage 4						509
					Toyonian			510 *
					Botomian			512.5 *
		Stage 3			Botomian			514
		Stage 3			Atdabanian			515.6 *
	Terreneuvian	Stage 2			Tommotian			521
														525.5