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. 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
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 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		European Faunal Zones	Carboniferous Subepochs	Cambrian Epochs	Ordovician of North America
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	MN 17						1.8
		Gelasian					Mangapanian	MN 17						2.4
Neogene	Pliocene	Piacenzian	Tertiary †				Mangapanian	MN 16						2.58
							Waipipian	MN 16						3
								MN 15						3.2
		Zanclean												3.6
							Opoitian							3.7
								MN 14						4.2
								MN 13						4.9
	Miocene	Messinian				Taranaki	Kapitean							5.333
		Messinian					Tongaporutuan							7.2
		Tortonian						MN 12						7.246
								MN 11						7.75
								MN 10						8.7
								MN 9						9.7
						Southland	Waiauan	MN 9						11.04
								MN 7 + 8						11.1
		Serravallian						MN 7 + 8						11.63
								MN 6						12.8 *
							Lillburnian	MN 6						13.05
		Langhian					Lillburnian	MN 5						13.82
							Clifdenian							15.1
						Pareora	Altonian							15.9
		Burdigalian						MN 4						15.98
								MN 3						16.9
							Otaian	MN 3						18.7
								MN 2						20
		Aquitanian												20.44
						Landon	Waitakian							21.7
								MN 1						22.4
Paleogene	Oligocene	Chattian												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		93.9			Arowhanan
				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				Longtanian †	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					Late Pennsylvanian	Mapingian †	298.9
		Kasimovian						Mapingian †	303.7
		Kasimovian							305.9
		Moscovian					Middle Pennsylvanian		307
		Bashkirian					Early Pennsylvanian		315.2
	Mississippian	Serpukhovian					Late Mississippian		323.2
		Visean					Middle Mississippian		330.9
		Tournaisian					Early Mississippian		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	Cincinnatian						Gamachian	443.8
		Katian							Gamachian	445.2
									Richmondian	446 *
									Maysvillian	Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
									Edenian		450.4 *
			Mohawkian						Chatfieldian		451.1 *
		Sandbian							Chatfieldian		453
									Turinian		453.7 *
			Whiterockian							Canadian †	Chazyan †/Marmor	457 *
	Middle Ordovician	Darriwilian			458.4
		Dapingian			467.3
		Dapingian			Rangerian				469.1 *
	Early Ordovician	Floian	Ibexian		Blackhillsian				Jeffersonian †		Cassinian †	470
		Floian			Tulean							473.9 *
		Tremadocian		477.7	Tulean
				Stairsian	480.3 *
				Skullrockian	Demingian †						482 *
Cambrian	Furongian	Stage 10		Skullrockian	Late Cambrian							485.4
		Stage 10										487.5
		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