PBDB Interval

International Chronostratigraphic Timescale

The interval definitions in this timescale are derived from the following sources:

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
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

There are 59 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 126831 collections

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International Chronostratigraphic Timescale				Permian of the Salt Range	Cretaceous-Cenozoic of New Zealand		Carboniferous of Western Europe
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				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	254.14
				Kalabagh	255 *
				Wargal	256 *
	Guadalupian	Capitanian			259.51
		Wordian			264.28
					265.3 *
				Amb	266.1 *
		Roadian		Amb	266.9
		Roadian			270.7 *
	Cisuralian	Kungurian			273.01
		Artinskian			283.5
		Sakmarian			290.1
		Asselian			293.52
		Asselian			Kuzel		297.7
Carboniferous	Pennsylvanian	Gzhelian			Kuzel		298.9
					Stephanian		Stephanian C	300.3 *
							Stephanian B	300.9 *
							Stephanian A	301.4 *
		Kasimovian					Stephanian A	303.7
		Kasimovian					Cantabrian	305 *
		Moscovian					Cantabrian	307
					Westphalian		Westphalian D	307.4 *
							Westphalian C	309.8
							Westphalian B	314.6
		Bashkirian					Westphalian B	315.2
							Westphalian A	317 *
					Namurian		Yeadonian	318.8 *
							Marsdenian	320.2 *
							Kinderscoutian	321.5 *
							Alportian	322 *
							Chokierian	323.1 *
	Mississippian	Serpukhovian					Chokierian	323.2
							Arnsbergian	324 *
							Pendleian	327.4 *
		Visean			Warnantian		Brigantian †	330.9
					Livian		Asbian †	336.3 *
					Moliniacian		Holkerian †/Arundian/Chadian	340.2 *
		Tournaisian			Ivorian		346.7
		Tournaisian			Hastarian		353.7 *
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
									419.2