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
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, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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

Show more time

Show linear time

International Chronostratigraphic Timescale			Obsolete Names for ICS Units			Cretaceous-Cenozoic of New Zealand		Carbo-Permian of the Russian Platform	Permian-Jurassic of New Zealand		Cretaceous Subepochs	Cambrian of Kazakhstan	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			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			Melekhovian	Meishanian	251.902
						Waiitian				Meishanian	253.2
										Baoqingian	253.4 *
		Wuchiapingian								Longtanian †	Laoshanian	254.14
						Puruhauan					Laoshanian	254.2
						Puruhauan					Laibinian	257.7 *
	Guadalupian	Capitanian				Aparima				Flettian	Lengwuan	259.51
		Wordian									Kuhfengian	264.28
									Noginskian			264.9 *
										Barettian		266
		Roadian										266.9
	Cisuralian	Kungurian									Luodianian	273.01
										Mangapirian		276
									Pavlovoposadian			276.8 *
		Artinskian	283.5
			Telfordian							285
										Longlinian	285.4 *
									Rusavkinian		287.6 *
											288.5
		Sakmarian									290.1
		Asselian								Zisongian	293.52
Carboniferous	Pennsylvanian	Gzhelian								Zisongian	298.9
		Gzhelian									300.1
		Kasimovian							Dorogomilovian		303.7
									Khamovnikian		304.8
									Krevyakinian		305.8 *
		Moscovian							Myachkovian		307
									Podolskian		308.9 *
									Kashirian		311.4 *
							Vereian		313.8
							Melekessian		314.8
		Bashkirian					Melekessian		315.2
							Cheremshanian		316.9 *
							Prikamian		318.6 *
				Severokeltmian			319.9 *
				Krasnopolyanian			321.2 *
				Voznesenian			321.9 *
	Mississippian	Serpukhovian		Zapaltjubian			323.2
				Protvian			324.4 *
				Steshevian			326.8 *
				Tarusian			329 *
		Visean		Venevian			330.9
				Mikhailovian			331.9 *
				Aleksinian			333.7 *
				Tulian			335.8 *
				Bobrikian			339.9 *
				Radaevkian			343.4 *
		Tournaisian		Kosvian			346.7
				Kizelian			350.7 *
				Cherepetian			351.9 *
				Karakubian			354.4 *
				Upinian			356.3 *
				Malevkian			357.6 *
				Gumerovian			358 *
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
	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