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
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			Cretaceous-Cenozoic of New Zealand		Permian of the Russian Platform		Permian of the Salt Range	Cambrian Epochs
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					7.246
		Tortonian				Southland	Waiauan					11.04
		Serravallian					Waiauan					11.63
		Serravallian					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				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			247.2
		Induan			251.2
		Induan			Kathwai	251.5 *
Permian	Lopingian	Changhsingian			Kathwai	251.902
						252.4 *
					Chhidru	252.9 *
		Wuchiapingian			Chhidru	Longtanian †		254.14
					Kalabagh			255 *
					Wargal			256 *
								Tatarian	Vyatkian	256.8 *
	Guadalupian	Capitanian							Severodvinian	259.51
		Wordian							Urzhumian	264.28
										265.3 *
					Amb					266.1 *
		Roadian			Amb			Kazanian	Povolzhian	266.9
		Roadian			Sokian			Kazanian		270.7 *
	Cisuralian	Kungurian			Kungurian			Irenian/Ufimian		273.01
								Filipovian		276.5 *
								Saraninian		280.1 *
		Artinskian			Artinskian			Sarginian		283.5
								Irginian		285.9 *
								Burtsevian		287.8 *
		Sakmarian			Sakmarian			Sterlitamakian		290.1
		Sakmarian			Sakmarian			Tastubian		291.7 *
		Asselian			Asselian			Shikhanian		293.52
								Uskalykian		294.8
								Surenian		297.5
Carboniferous	Pennsylvanian	Gzhelian								Mapingian †	298.9
		Kasimovian	303.7							Mapingian †
		Kasimovian								305.9
		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		443.8
		Katian		445.2
		Sandbian		453
	Middle Ordovician	Darriwilian		458.4
	Middle Ordovician	Dapingian		467.3
	Early Ordovician	Floian		470
	Early Ordovician	Tremadocian		477.7
Cambrian	Furongian	Stage 10		Late Cambrian			485.4
		Jiangshanian					489.5
		Paibian					494
	Miaolingian	Guzhangian		Series 3 †			Middle Cambrian			497
		Drumian								500.5
		Wuliuan				Stage 5 †				504.5
	Series 2	Stage 4					Early Cambrian			509
	Series 2	Stage 3								514
	Terreneuvian	Stage 2								521
	Terreneuvian	Fortunian								529
												538.8