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

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 of China	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						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
	Early Triassic	Induan			251.2
Permian	Lopingian	Changhsingian			Meishanian	251.902
		Changhsingian			Baoqingian	253.4 *
		Wuchiapingian			Longtanian †	Laoshanian	254.14
		Wuchiapingian			Longtanian †	Laibinian	257.7 *
	Guadalupian	Capitanian				Lengwuan	259.51
		Wordian				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	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	485.4
		Jiangshanian	489.5
		Paibian	494
	Miaolingian	Guzhangian	Series 3 †				497
		Drumian		500.5
		Wuliuan		Stage 5 †	504.5
									509