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
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
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
D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
M. Harzhauser and W. E. Piller. 2004. Integrated stratigraphy of the Sarmatian (Upper Middle Miocene) in the western Central Paratethys. Stratigraphy 1(1):65-86 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			Ordovician of North America						European Faunal Units	Cambrian of Siberia			Cretaceous-Cenozoic of New Zealand		Cretaceous Subepochs	Central Paratethys Stages
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 †									Villanyian					Mangapanian			2.58
												Villanyian					Waipipian			3
												Ruscinian								3.1 *
		Zanclean																		3.6
		Zanclean															Opoitian			3.7
	Miocene	Messinian										Turolian				Taranaki	Kapitean			5.333
		Messinian															Tongaporutuan			7.2
		Tortonian																	Pannonian	7.246
												Vallesian								8.7
												Vallesian				Southland	Waiauan			11.04
		Serravallian										Astaracian							Sarmatian	11.63
																			Badenian	12.8 *
																	Lillburnian		Badenian	13.05
		Langhian															Lillburnian			13.82
																	Clifdenian			15.1
																Pareora	Altonian			15.9
		Burdigalian										Orleanian					Altonian			15.98
												Orleanian					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
	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	Senonian		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	Gallic		100.5
																	Urutawan			103.3
																Taitai	Korangan			108.4
		Aptian															Korangan			113
		Aptian			117.5
		Barremian			121.4
		Hauterivian			Neocomian	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	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		453					Chatfieldian
				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		Tulean						Ungurian	477.7
				Stairsian							480.3 *
				Skullrockian		Demingian †					482 *
						Demingian †					Mansian †	483.55 *
Cambrian	Furongian	Stage 10								Batyrbaian	Tavgian †	Ketyan †/Yurakian	Batyrbaian	485.4
		Stage 10												487.5
		Jiangshanian												489.5
										Aksaian			Aksaian	490.7 *
										Sakian			Sakian	492.2 *
		Paibian												494
		Paibian										Ensyan †/Maduan/Nganasanian		494.7 *
	Miaolingian	Guzhangian								Series 3 †	Ayusokkanian			Ayusokkanian	497
		Guzhangian									Mayan/Menevian				499.5
		Drumian												Zhanaarykian	500.5
		Drumian												Tuesaian	503
		Wuliuan					Stage 5 †				Amgan/Solvan			Tuesaian	504.5
		Wuliuan					Stage 5 †								505.3
	Series 2	Stage 4													509
											Toyonian	Lenian †		Toyonian	510 *
											Botomian			Botomian	512.5 *
		Stage 3									Botomian			Botomian	514
		Stage 3									Atdabanian			Atdabanian	515.6 *
	Terreneuvian	Stage 2									Tommotian			Tommotian	521
		Stage 2									Nemakit-Daldynian				525.5
		Fortunian									Nemakit-Daldynian	Manykaian †			529
																				538.8