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, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 view
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
J. Palfy, P. L. Smith, and J. K. Mortensen. 2000. A U-Pb and 40Ar/39Ar time scale for the Jurassic. Canadian Journal of Earth Sciences 37(6):923-944 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
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

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			Mesozoic Subages		Silurian Ages of Europe	Ordovician of Australia	Central Paratethys Stages	European Faunal Units	Cretaceous-Cenozoic of New Zealand
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								Sarmatian	Astaracian			11.63
										Badenian				12.8 *
										Badenian			Lillburnian	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				Late Maastrichtian/Early Maastrichtian						Mata	Haumurian	66
		Campanian				Late Campanian/Middle Campanian/Early Campanian							Haumurian	72.1
		Santonian				Late Santonian/Middle Santonian/Early Santonian							Piripauan	83.6
		Santonian				Late Santonian/Middle Santonian/Early Santonian						Raukumara	Teratan	86.1
		Coniacian				Late Coniacian/Middle Coniacian/Early Coniacian								86.3
		Turonian				Late Turonian/Middle Turonian/Early Turonian								89.8
													Mangaotanean	90.5
													Arowhanan	93.7
		Cenomanian				Late Cenomanian/Middle Cenomanian/Early Cenomanian							Arowhanan	93.9
												Clarence	Ngaterian	95.2
													Motuan	99.5
	Early Cretaceous	Albian				Late Albian							Motuan	100.5
						Late Albian							Urutawan	103.3
						Middle Albian							Urutawan	106.2 *
						Middle Albian						Taitai	Korangan	108.4
				Early Albian	109.9 *
		Aptian		Late Aptian	113
				Late Aptian		117.5
				Early Aptian		119.5 *
		Barremian		Late Barremian/Early Barremian		121.4
		Hauterivian		Late Hauterivian/Early Hauterivian		125.77
		Valanginian		Late Valanginian/Early Valanginian		132.6
		Berriasian		Late Berriasian		139.8
				Middle Berriasian		140.6 *
				Early Berriasian		142.7 *
Jurassic	Late Jurassic	Tithonian		Late Tithonian		Middle Tithonian		145
		Tithonian		Early Tithonian		Middle Tithonian		146.3 *
		Kimmeridgian		Late Kimmeridgian				149.2
		Kimmeridgian		Early Kimmeridgian				152.2 *
		Oxfordian		Late Oxfordian		Middle Oxfordian/Early Oxfordian		154.8
		Oxfordian				Middle Oxfordian/Early Oxfordian		157.9 *
	Middle Jurassic	Callovian		Late Callovian/Middle Callovian/Early Callovian				161.5
		Bathonian		Late Bathonian/Middle Bathonian/Early Bathonian				165.3
		Bajocian		Late Bajocian				168.2
		Bajocian		Early Bajocian				168.6 *
		Aalenian		Late Aalenian/Middle Aalenian/Early Aalenian				170.9
	Early Jurassic	Toarcian		Late Toarcian				174.7
				Middle Toarcian				180.4 *
				Early Toarcian				182.9 *
		Pliensbachian		Late Pliensbachian/Early Pliensbachian				184.2
		Sinemurian		Late Sinemurian/Early Sinemurian				192.9
		Hettangian		Late Hettangian/Middle Hettangian/Early Hettangian				199.5
Triassic	Late Triassic	Rhaetian						201.4
		Norian		Sevatian				208.5
				Alaunian				213.2 *
				Lacian				216.7 *
		Carnian		Tuvalian				227
		Carnian		Julian				233.4 *
	Middle Triassic	Ladinian		Longobardian				237
		Ladinian		Fassanian				239.7 *
		Anisian		Illyrian				242
				Pelsonian				243.8 *
				Bithynian				244.7 *
				Aegean				245.5 *
	Early Triassic	Olenekian		Spathian				247.2
		Olenekian		Smithian				248.9 *
		Induan		Dienerian				251.2
		Induan		Griesbachian				251.4 *
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	298.9
		Kasimovian	303.7
		Moscovian	307
		Bashkirian	315.2
	Mississippian	Serpukhovian	323.2
		Visean	330.9
		Tournaisian	346.7
Devonian	Late Devonian	Famennian	Late Famennian						358.9
			Middle Famennian						365.3 *
			Early Famennian						368.5 *
		Frasnian	Late Frasnian						372.2
			Middle Frasnian						375.4 *
			Early Frasnian						379.3 *
	Middle Devonian	Givetian	Late Givetian						382.7
			Middle Givetian		383.7 *
			Early Givetian		385.9 *
		Eifelian	Late Eifelian		387.7
		Eifelian	Early Eifelian		390.3 *
	Early Devonian	Emsian	Late Emsian		393.3
		Emsian	Early Emsian		398.3 *
		Pragian	Pragian		407.6
		Lochkovian	Late Lochkovian		410.8
			Middle Lochkovian		412.8 *
			Early Lochkovian		415.6 *
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				Bolindian	443.8
		Katian				Bolindian	445.2
						Eastonian	449 *
						Gisbornian	452 *
		Sandbian				Gisbornian	453
	Middle Ordovician	Darriwilian				Darriwilian	458.4
		Dapingian				Yapeenian	467.3
		Dapingian				Castlemainian	468.5 *
	Early Ordovician	Floian				Chewtonian	470
						Bendigonian	471.8 *
						Lancefieldian	473.5 *
		Tremadocian				Lancefieldian	477.7
		Tremadocian				Warendian	482.8 *
Cambrian	Furongian	Stage 10					485.4
		Jiangshanian					489.5
		Paibian					494
	Miaolingian	Guzhangian					Series 3 †		497
		Drumian							500.5
		Wuliuan						Stage 5 †	504.5
														509