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. 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
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
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
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

Show more time

Show linear time

International Chronostratigraphic Timescale			Obsolete Names for ICS Units			European Faunal Units	Permian-Jurassic of New Zealand		Ordovician of North America					Cambrian of West Avalonia	Central Paratethys Stages	Silurian of England		Permian Subages of Germany
Neogene	Pliocene	Piacenzian	Tertiary †			Villanyian													2.58
		Piacenzian				Ruscinian													3.1 *
		Zanclean				Ruscinian													3.6
	Miocene	Messinian				Turolian													5.333
		Tortonian				Turolian									Pannonian				7.246
		Tortonian				Vallesian									Pannonian				8.7
		Serravallian				Astaracian									Sarmatian				11.63
		Serravallian													Badenian				12.8 *
		Langhian																	13.82
		Burdigalian				Orleanian													15.98
		Burdigalian				Agenian													20
		Aquitanian				Agenian													20.44
Paleogene	Oligocene	Chattian																	23.03
	Oligocene	Rupelian																	27.82
	Eocene	Priabonian																	33.9
		Bartonian																	37.71
		Lutetian																	41.2
		Ypresian																	47.8
	Paleocene	Thanetian																	56
		Selandian																	59.2
		Danian																	61.6
Cretaceous	Late Cretaceous	Maastrichtian																	66
		Campanian																	72.1
		Santonian																	83.6
		Coniacian																	86.3
		Turonian																	89.8
		Cenomanian																	93.9
	Early Cretaceous	Albian																	100.5
		Aptian																	113
		Barremian																	121.4
		Hauterivian																	125.77
		Valanginian																	132.6
		Berriasian																	139.8
Jurassic	Late Jurassic	Tithonian					Oteke	Puaroan											145
		Kimmeridgian					Oteke	Puaroan											149.2
							Kawhia	Ohauan											150
								Heterian											154.5
		Oxfordian																	154.8
	Middle Jurassic	Callovian																	161.5
		Callovian						Temaikan											164.3
		Bathonian																	165.3
		Bajocian																	168.2
		Aalenian																	170.9
	Early Jurassic	Toarcian																	174.7
		Toarcian					Herangi	Ururoan											176
		Pliensbachian						Ururoan											184.2
		Pliensbachian						Aratauran											188.9
		Sinemurian																	192.9
		Hettangian																	199.5
Triassic	Late Triassic	Rhaetian					Balfour	Otapirian											201.4
		Norian						Warepan											208.5
								Otamitan											217
								Oretian											221
		Carnian						Oretian											227
		Carnian					Gore	Kaihikuan											227.5
	Middle Triassic	Ladinian						Kaihikuan											237
		Ladinian						Etalian											238
		Anisian						Etalian											242
		Anisian						Malakovian											246
	Early Triassic	Olenekian						Malakovian											247.2
		Olenekian						Nelsonian											249
		Induan						Nelsonian											251.2
		Induan					DUrville	Makarewan											251.5
Permian	Lopingian	Changhsingian						Makarewan										Buntsandstein	251.902
		Changhsingian		Waiitian	253.2
		Wuchiapingian		Waiitian	Longtanian †			Zechstein	254.14
		Wuchiapingian		Puruhauan	Longtanian †			Zechstein	254.2
	Guadalupian	Capitanian			Aparima		Flettian	Rotliegendes	Ohre/Aller	259.51
		Wordian					Flettian		Leine	264.28
		Wordian					Barettian		Leine	266
		Roadian								266.9
	Cisuralian	Kungurian								273.01
		Kungurian					Mangapirian			276
		Artinskian					Mangapirian	Autunian		283.5
							Telfordian			285
										288.5
		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	358.9
	Late Devonian	Frasnian	372.2
	Middle Devonian	Givetian	Srbsko					382.7
	Middle Devonian	Eifelian	Chotec					387.7
	Early Devonian	Emsian	Daleje/Zlichovian					393.3
		Pragian	Pragian					407.6
		Lochkovian	Lochkovian					410.8
Silurian	Pridoli		Red Downtonian/Temeside Shales/Downton Castle					Whitcliffe/Leintwardine			419.2
	Pridoli		Red Downtonian/Temeside Shales/Downton Castle					Bringewood/Elton			421.3
	Ludlow	Ludfordian	Coalbrookdale					Wenlock (England)/Tickwood			423
		Gorstian									425.6
		Gorstian						Buildwas			426.4 *
	Wenlock	Homerian						Buildwas			427.4
		Homerian	Wych					Woolhope			428.4 *
		Sheinwoodian									430.5
	Llandovery	Telychian									433.4
		Telychian									436.3 *
		Aeronian									438.5
		Aeronian	Cowleigh Park								439.3 *
		Rhuddanian	Cowleigh Park								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									Tulean				477.7
											Stairsian				480.3 *
											Skullrockian			Demingian †	482 *
Cambrian	Furongian	Stage 10									Skullrockian				485.4
		Stage 10													487.5
		Jiangshanian													489.5
		Paibian													494
	Miaolingian	Guzhangian													Series 3 †	497
		Guzhangian														Arcadian	498.4
		Drumian															500.5
		Wuliuan		Stage 5 †													504.5
	Series 2	Stage 4														Branchian	509
		Stage 3														Branchian	514
		Stage 3														Placentian	517.1
	Terreneuvian	Stage 2															521
	Terreneuvian	Fortunian							529
																			538.8