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
F. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) 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 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			Cambrian of Australia	Cretaceous-Cenozoic of New Zealand		European Faunal Units	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	Tertiary †					Mangapanian	Villanyian		2.58
								Waipipian	Villanyian		3
									Ruscinian		3.1 *
		Zanclean									3.6
								Opoitian			3.7
								Opoitian		Hemphillian	4.7
	Miocene	Messinian					Taranaki	Kapitean	Turolian		5.333
		Messinian						Tongaporutuan			7.2
		Tortonian									7.246
									Vallesian		8.7
										Clarendonian	9.4
							Southland	Waiauan			11.04
		Serravallian							Astaracian		11.63
										Barstovian	12.5
								Lillburnian			13.05
		Langhian						Lillburnian			13.82
								Clifdenian			15.1
							Pareora	Altonian			15.9
		Burdigalian							Orleanian		15.98
										Hemingfordian	16.3
										Arikareean	18.5
								Otaian			18.7
									Agenian		20
		Aquitanian									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
		Wuchiapingian					Longtanian †	254.14
		Wuchiapingian					Longtanian †	Tatarian	Vyatkian	256.8 *
	Guadalupian	Capitanian							Severodvinian	259.51
		Wordian							Urzhumian	264.28
		Roadian						Kazanian	Povolzhian	266.9
		Roadian						Kazanian	Sokian	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								298.9
		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	Bolindian			443.8
		Katian	Bolindian		445.2
			Eastonian		449 *
			Gisbornian		452 *
		Sandbian	Gisbornian		453
	Middle Ordovician	Darriwilian	Darriwilian		458.4
		Dapingian	Yapeenian	467.3
		Dapingian	Castlemainian	468.5 *
	Early Ordovician	Floian	Chewtonian	470
			Bendigonian	471.8 *
			Lancefieldian	473.5 *
		Tremadocian	Lancefieldian	477.7
		Tremadocian	Warendian	482.8 *
Cambrian	Furongian	Stage 10	Datsonian		485.4
		Stage 10	Payntonian		486.8 *
		Jiangshanian	Iverian		489.5
		Paibian	Idamean		494
	Miaolingian	Guzhangian	Series 3 †		Mindyallan	497
		Guzhangian			Boomerangian	499
		Drumian			Undillan	500.5
		Drumian			Floran	503
		Wuliuan			Stage 5 †	Templetonian	504.5
		Wuliuan			Stage 5 †	Ordian	507.8 *
	Series 2	Stage 4				Ordian	509
											510.8 *