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
Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 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
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
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 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			Neogene Mammal Ages of China	Ordovician of North America						Permian-Jurassic of New Zealand		Central Paratethys Stages	Cretaceous Subepochs
Quaternary	Pleistocene	Late Pleistocene				Nihewanian											0.0117
		Chibanian															0.129
		Calabrian															0.774
		Gelasian															1.8
Neogene	Pliocene	Piacenzian	Tertiary †			Yushean											2.58
		Zanclean				Yushean											3.6
		Zanclean				Baodean											4.9
	Miocene	Messinian															5.333
		Tortonian													Pannonian		7.246
		Tortonian				Tunggurian									Pannonian		11.1
		Serravallian													Sarmatian		11.63
		Serravallian													Badenian		12.8 *
		Langhian				Shanwangian											13.82
		Burdigalian				Shanwangian											15.98
		Burdigalian				Xiejiaan											16.9
		Aquitanian				Xiejiaan											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														Senonian	66
		Campanian															72.1
		Santonian															83.6
		Coniacian															86.3
		Turonian															89.8
		Cenomanian															93.9
	Early Cretaceous	Albian														Gallic	100.5
		Aptian															113
		Barremian															121.4
		Hauterivian														Neocomian	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		251.902
		Changhsingian			Waiitian		253.2
		Wuchiapingian			Waiitian		Longtanian †	254.14
		Wuchiapingian			Puruhauan		Longtanian †	254.2
	Guadalupian	Capitanian			Aparima		Flettian	259.51
		Wordian					Flettian	264.28
		Wordian					Barettian	266
		Roadian						266.9
	Cisuralian	Kungurian						273.01
		Kungurian					Mangapirian	276
		Artinskian					Mangapirian	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	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	Gleedonian			427.4
		Homerian	Whitwellian			429.7 *
		Sheinwoodian				430.5
	Llandovery	Telychian				433.4
		Aeronian				438.5
		Rhuddanian				440.8
Ordovician	Late Ordovician	Hirnantian				Cincinnatian		Gamachian	Harju	Porkuni	443.8
		Katian						Gamachian		Pirgu	445.2
								Richmondian		Pirgu	446 *
								Richmondian		Vormsi	449.6 *
								Maysvillian		Vormsi	Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
								Maysvillian		Nabala		Johvi †	450 *
								Edenian		Nabala			450.4 *
								Edenian	Viru	Rakvere			450.6 *
						Mohawkian		Chatfieldian		Rakvere			451.1 *
										Oandu			452 *
		Sandbian								Keila		Idavere †	453
								Turinian		Keila			453.7 *
										Haljala			453.9
										Kukruse			456.4 *
						Whiterockian				Kukruse	Canadian †		Chazyan †/Marmor	457 *
										Uhaku		Aluoja †		457.5 *
	Middle Ordovician	Darriwilian								Uhaku				458.4
										Lasnamagi				458.9 *
										Aseri				460.4 *
									Oeland	Kunda				462.9 *
										Kunda		Valaste †/Hunderum		464.3 *
										Volkhov				Langevoja †/Vaana/Saka	467.1 *
		Dapingian													467.3
								Rangerian							469.1 *
								Rangerian		Billingen					469.3 *
	Early Ordovician	Floian				Ibexian		Blackhillsian					Jeffersonian †		Cassinian †	470
												Latorp †				470.1 *
										Hunneberg						473.7 *
								Tulean								473.9 *
		Tremadocian						Tulean								477.7
				Stairsian				480.3 *
				Stairsian				Varangu		481.3 *
				Skullrockian				Varangu		Demingian †					482 *
								Pakerort		Demingian †					482.2 *
Cambrian	Furongian	Stage 10						Pakerort							485.4
															486.3 *
															486.5
															487.5
		Jiangshanian			489.5
		Paibian			494
	Miaolingian	Guzhangian			Series 3 †		497
		Drumian					500.5
		Wuliuan					Stage 5 †								504.5
																	509