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
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			Ordovician of Australia	Ordovician of the Baltic				Permian Subages of Germany	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				Buntsandstein	Meishanian	251.902
		Changhsingian					Baoqingian	253.4 *
		Wuchiapingian					Longtanian †	Laoshanian	254.14
		Wuchiapingian					Longtanian †	Laibinian	257.7 *
	Guadalupian	Capitanian					Ohre/Aller	Lengwuan	259.51
		Wordian					Leine	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						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	Bolindian						Harju	Porkuni	443.8
		Katian	Bolindian							Pirgu	445.2
			Eastonian							Pirgu	449 *
										Vormsi	449.6 *
										Nabala	Johvi †	450 *
									Viru	Rakvere		450.6 *
			Gisbornian							Oandu		452 *
		Sandbian								Keila	Idavere †	453
										Haljala		453.9
										Kukruse		456.4 *
										Uhaku	Aluoja †	457.5 *
	Middle Ordovician	Darriwilian	Darriwilian	458.4						Uhaku
				Lasnamagi	458.9 *
				Aseri	460.4 *
				Oeland	Kunda				462.9 *
					Kunda				Valaste †/Hunderum	464.3 *
					Volkhov					Langevoja †/Vaana/Saka	467.1 *
		Dapingian	Yapeenian								467.3
			Castlemainian								468.5 *
			Castlemainian		Billingen						469.3 *
	Early Ordovician	Floian	Chewtonian								470
			Chewtonian						Latorp †		470.1 *
			Bendigonian								471.8 *
			Lancefieldian								473.5 *
					Hunneberg						473.7 *
		Tremadocian			Hunneberg						Ungurian	477.7
					Varangu							481.3 *
					Pakerort							482.2 *
			Warendian									482.8 *
Cambrian	Furongian	Stage 10									Batyrbaian	485.4
												486.3 *
												486.5
		Jiangshanian										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