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
A. G. Sennikov and V. K. Golubev. 2006. Vyazniki Biotic Assemblage of the Terminal Permian. Paleontological Journal 40(suppl. 4):S475-S481 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
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			Permian Subages of Germany	Cretaceous-Cenozoic of New Zealand		Permo-Triassic Subages of Eastern Europe	Carbo-Permian of the Russian Platform	Devonian of Germany	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					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					100.5
								Urutawan					103.3
							Taitai	Korangan					108.4
		Aptian						Korangan					113
		Aptian											117.5
		Barremian											121.4
		Hauterivian											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			Vokhmian	247.2
	Early Triassic	Induan			Vokhmian	251.2
Permian	Lopingian	Changhsingian			Buntsandstein		Melekhovian		251.902
	Lopingian	Wuchiapingian			Buntsandstein	Longtanian †			Late Vyatkian/Early Vyatkian	Zechstein	254.14
	Guadalupian	Capitanian				Ohre/Aller			Late Severodvinian/Early Severodvinian	Rotliegendes	259.51
		Wordian				Leine			Late Urzhumian/Early Urzhumian		264.28
		Wordian				Leine	Noginskian		Late Urzhumian/Early Urzhumian		264.9 *
		Roadian							Late Kazanian/Early Kazanian		266.9
	Cisuralian	Kungurian									273.01
		Kungurian					Pavlovoposadian				276.8 *
		Artinskian					Pavlovoposadian			Autunian	283.5
		Artinskian					Rusavkinian				287.6 *
		Sakmarian									290.1
		Asselian									Bursumian †	293.52
Carboniferous	Pennsylvanian	Gzhelian									Virgilian	298.9
		Kasimovian					Dorogomilovian				Missourian	303.7
							Khamovnikian					304.8
							Krevyakinian					305.8 *
							Krevyakinian				Desmoinesian	305.9 *
		Moscovian					Myachkovian					307
							Podolskian					308.9 *
							Kashirian					311.4 *
							Kashirian				Atokan	312.7 *
							Vereian					313.8
							Melekessian					314.8
		Bashkirian					Melekessian					315.2
							Cheremshanian					316.9 *
							Cheremshanian				Morrowan	318.4 *
			Prikamian				318.6 *
			Severokeltmian				319.9 *
			Krasnopolyanian				321.2 *
			Voznesenian				321.9 *
	Mississippian	Serpukhovian	Zapaltjubian				Chesterian				323.2
			Protvian								324.4 *
			Steshevian								326.8 *
			Tarusian								329 *
		Visean	Venevian								330.9
			Mikhailovian								331.9 *
			Aleksinian								333.7 *
			Tulian				Meramecian				335.8 *
			Bobrikian				Meramecian				339.9 *
			Bobrikian				Osagean				343.1 *
			Radaevkian								343.4 *
		Tournaisian	Kosvian					346.7
			Kizelian					350.7 *
			Cherepetian				Kinderhookian	351.9 *
			Karakubian					354.4 *
			Upinian					356.3 *
			Malevkian	357.6 *
			Gumerovian	358 *
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							Ohesaare			419.2
	Pridoli							Kaugetuma			421.7 *
	Ludlow	Ludfordian						Kuressaare			423
		Ludfordian						Paadla			423.4 *
		Gorstian						Paadla			425.6
	Wenlock	Homerian						Rootsikula			427.4
		Homerian						Jaagarahu			429.2 *
		Sheinwoodian						Jaagarahu			430.5
		Sheinwoodian						Jaani			431.8 *
	Llandovery	Telychian						Jaani			433.4
		Telychian						Adavere			434 *
		Aeronian			438.5			Adavere
		Aeronian			Raikkula			439.4 *
		Rhuddanian			Raikkula			440.8
		Rhuddanian			Juuru	441.4 *
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