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. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
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			Permian-Jurassic of New Zealand		Cambrian of Australia	European Faunal Units	Ordovician of the Baltic
Neogene	Pliocene	Piacenzian	Tertiary †						Villanyian				2.58
		Piacenzian							Ruscinian				3.1 *
		Zanclean							Ruscinian				3.6
	Miocene	Messinian							Turolian				5.333
		Tortonian							Turolian				7.246
		Tortonian							Vallesian				8.7
		Serravallian							Astaracian				11.63
		Langhian							Astaracian				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						251.902
		Changhsingian					Waiitian						253.2
		Wuchiapingian		Longtanian †	254.14		Waiitian
		Wuchiapingian		Longtanian †	Puruhauan		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	427.4
	Wenlock	Sheinwoodian	430.5
	Llandovery	Telychian	433.4
		Aeronian	438.5
		Rhuddanian	440.8
Ordovician	Late Ordovician	Hirnantian	Harju				Porkuni	443.8
		Katian					Pirgu	445.2
							Vormsi	449.6 *
							Nabala	Johvi †	450 *
			Viru				Rakvere		450.6 *
							Oandu		452 *
		Sandbian					Keila	Idavere †	453
							Haljala		453.9
							Kukruse		456.4 *
							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					Volkhov			467.3
		Dapingian					Billingen			469.3 *
	Early Ordovician	Floian								470
								Latorp †		470.1 *
							Hunneberg			473.7 *
		Tremadocian					Hunneberg			477.7
							Varangu			481.3 *
							Pakerort			482.2 *
Cambrian	Furongian	Stage 10					Pakerort	Datsonian			485.4
											486.3 *
											486.5
								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 *