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
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
A. D. Barnosky, M. Holmes, R. Kirchholtes, E. Lindsey, K.C. Maguire, A.W. Poust, M.A. Stegner, J. Sunseri, B. Swartz, J. Swift, N.A. Villavicencio and G. Wogan. 2014. Prelude to the Anthropocene: Two new North American Land Mammal Ages (NALMAs). The Anthropocene Review I(3):225-242 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.

This timescale is used in the definition of 125932 collections

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International Chronostratigraphic Timescale			Cretaceous-Cenozoic of New Zealand		Devonian Subages	Cambrian of Australia	North American Land Mammal Ages
Quaternary	Holocene	Meghalayan	Wanganui	Haweran			Saintaugustinean	0
		Meghalayan					Santarosean	0.0004
		Northgrippian						0.0042
		Greenlandian						0.0082
	Pleistocene	Late Pleistocene						0.0117
		Late Pleistocene					Rancholabrean	0.014
		Chibanian					Rancholabrean	0.129
							Irvingtonian	0.21
				Castlecliffian				0.34
		Calabrian						0.774
							Blancan	1.4
				Nukumaruan				1.63
		Gelasian		Nukumaruan				1.8
		Gelasian		Mangapanian				2.4
Neogene	Pliocene	Piacenzian		Mangapanian				2.58
		Piacenzian		Waipipian				3
		Zanclean		Waipipian				3.6
				Opoitian				3.7
				Opoitian			Hemphillian	4.7
	Miocene	Messinian	Taranaki	Kapitean				5.333
		Messinian		Tongaporutuan				7.2
		Tortonian						7.246
							Clarendonian	9.4
			Southland	Waiauan				11.04
		Serravallian						11.63
							Barstovian	12.5
				Lillburnian				13.05
		Langhian		Lillburnian				13.82
				Clifdenian				15.1
			Pareora	Altonian				15.9
		Burdigalian						15.98
							Hemingfordian	16.3
							Arikareean	18.5
				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
							Whitneyan	29.5
							Orellan	31.8
	Eocene	Priabonian					Chadronian	33.9
			Arnold	Runangan				34.6
				Kaiatan				36.7
							Duchesnean	37
		Bartonian						37.71
				Bortonian				39.1
							Uintan	39.7
		Lutetian						41.2
			Dannevirke	Porangan				42.6
				Heretaungan				45.7
							Bridgerian	46.2
		Ypresian						47.8
				Mangaorapan				48.9
				Mangaorapan			Wasatchian	50.5
				Waipawan			Wasatchian	52
				Waipawan			Clarkforkian	54.9
	Paleocene	Thanetian		Teurian			Clarkforkian	56
		Thanetian					Tiffanian	56.2
		Selandian					Tiffanian	59.2
		Selandian					Torrejonian	60.9
		Danian					Torrejonian	61.6
		Danian					Puercan	63.8
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				251.902
	Lopingian	Wuchiapingian				254.14
	Guadalupian	Capitanian				259.51
		Wordian				264.28
		Roadian				266.9
	Cisuralian	Kungurian				273.01
		Artinskian				283.5
		Sakmarian				290.1
		Asselian				293.52
Carboniferous	Pennsylvanian	Gzhelian				298.9
		Kasimovian				303.7
		Moscovian				307
		Bashkirian				315.2
	Mississippian	Serpukhovian				323.2
		Visean				330.9
		Tournaisian				346.7
Devonian	Late Devonian	Famennian				Late Famennian	358.9
						Middle Famennian	365.3 *
						Early Famennian	368.5 *
		Frasnian				Late Frasnian	372.2
						Middle Frasnian	375.4 *
						Early Frasnian	379.3 *
	Middle Devonian	Givetian				Late Givetian	382.7
						Middle Givetian	383.7 *
						Early Givetian	385.9 *
		Eifelian				Late Eifelian	387.7
		Eifelian			Early Eifelian	390.3 *
	Early Devonian	Emsian			Late Emsian	393.3
		Emsian			Early Emsian	398.3 *
		Pragian			Pragian	407.6
		Lochkovian			Late Lochkovian	410.8
					Middle Lochkovian	412.8 *
					Early Lochkovian	415.6 *
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	Datsonian	485.4
		Stage 10	Payntonian	486.8 *
		Jiangshanian	Iverian	489.5
		Paibian	Idamean	494
	Miaolingian	Guzhangian	Mindyallan	497
		Guzhangian	Boomerangian	499
		Drumian	Undillan	500.5
		Drumian	Floran	503
		Wuliuan	Templetonian	504.5
		Wuliuan	Ordian	507.8 *
	Series 2	Stage 4	Ordian	509
								510.8 *