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
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			Carbo-Permian of the Russian Platform	Permian-Jurassic of New Zealand		Cretaceous Subepochs	Cambrian of Kazakhstan	Central Paratethys Stages	Cretaceous-Cenozoic of New Zealand
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									Pannonian		Tongaporutuan	7.246
		Tortonian									Pannonian	Southland	Waiauan	11.04
		Serravallian									Sarmatian			11.63
											Badenian			12.8 *
											Badenian		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							Senonian			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											Arowhanan	93.9
												Clarence	Ngaterian	95.2
													Motuan	99.5
	Early Cretaceous	Albian							Gallic				Motuan	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