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
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. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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			Cretaceous-Cenozoic of New Zealand		Central Paratethys Stages	Silurian Ages of Europe	Permian of North America		Permian of the Pamirs	Permian of China	Cenozoic Subepochs	Paleogene Mammal Ages of Asia
Quaternary	Holocene	Meghalayan				Wanganui	Haweran										0
		Northgrippian															0.0042
		Greenlandian															0.0082
	Pleistocene	Late Pleistocene												Late Pleistocene			0.0117
		Chibanian												Middle Pleistocene			0.129
		Chibanian					Castlecliffian							Middle Pleistocene			0.34
		Calabrian					Castlecliffian							Early Pleistocene			0.774
		Calabrian					Nukumaruan										1.63
		Gelasian					Nukumaruan										1.8
		Gelasian					Mangapanian										2.4
Neogene	Pliocene	Piacenzian	Tertiary †				Mangapanian							Late Pliocene			2.58
		Piacenzian					Waipipian							Late Pliocene			3
		Zanclean					Waipipian							Early Pliocene			3.6
		Zanclean					Opoitian							Early Pliocene			3.7
	Miocene	Messinian				Taranaki	Kapitean							Late Miocene			5.333
		Messinian					Tongaporutuan										7.2
		Tortonian					Tongaporutuan	Pannonian									7.246
		Tortonian				Southland	Waiauan	Pannonian									11.04
		Serravallian						Sarmatian						Middle Miocene			11.63
								Badenian									12.8 *
							Lillburnian	Badenian									13.05
		Langhian					Lillburnian										13.82
							Clifdenian										15.1
						Pareora	Altonian										15.9
		Burdigalian					Altonian							Early Miocene			15.98
		Burdigalian					Otaian										18.7
		Aquitanian					Otaian										20.44
		Aquitanian				Landon	Waitakian										21.7
Paleogene	Oligocene	Chattian					Waitakian							Late Oligocene	Tabenbulakian	Hsandagolian	23.03
							Duntroonian										25.2
							Whaingaroan										27.3
		Rupelian												Early Oligocene	Kekeamuan		27.82
	Eocene	Priabonian												Late Eocene	Houldjinian/Ergilian/Ulangochuian		33.9
						Arnold	Runangan										34.6
							Kaiatan										36.7
		Bartonian					Kaiatan							Middle Eocene	Sharamurunian/Irdinmanhan/Arshantan		37.71
		Bartonian					Bortonian										39.1
		Lutetian					Bortonian										41.2
						Dannevirke	Porangan										42.6
							Heretaungan										45.7
		Ypresian					Heretaungan							Early Eocene		Bumbanian	47.8
							Mangaorapan										48.9
							Waipawan										52
	Paleocene	Thanetian					Teurian							Late Paleocene	Gashatan		56
		Selandian												Middle Paleocene			59.2
		Danian												Early Paleocene			61.6
Cretaceous	Late Cretaceous	Maastrichtian				Mata	Haumurian										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										100.5
							Urutawan										103.3
						Taitai	Korangan										108.4
		Aptian					Korangan										113
		Aptian															117.5
		Barremian															121.4
		Hauterivian															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			Dorashamian	Meishanian			251.902
		Changhsingian			Dorashamian	Baoqingian		253.4 *
		Wuchiapingian			Longtanian †	Dzhulfian		Laoshanian	254.14
		Wuchiapingian			Longtanian †	Dzhulfian		Laibinian	257.7 *
	Guadalupian	Capitanian				Capitanian		Midian	Lengwuan	259.51
		Wordian				Wordian		Midian	Kuhfengian	264.28
		Wordian				Wordian		Murgabian		266.2 *
		Roadian				Roadian		Murgabian		266.9
	Cisuralian	Kungurian				Leonardian		Cathedralian	Kubergandian	Luodianian	273.01
								Cathedralian	Bolorian		279.8
								Hessian			281.9 *
		Artinskian									283.5
										Longlinian	285.4 *
									Yakhtashian		286
						Wolfcampian		Lenoxian	Yakhtashian		286.1 *
		Sakmarian						Lenoxian	Sakmarian		290.1
		Asselian						Nealian	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		Cayugan								419.2
	Pridoli		Niagaran								422.5 *
	Ludlow	Ludfordian									423
	Ludlow	Gorstian									425.6
	Wenlock	Homerian									Gleedonian	Lockportian	427.4
		Homerian									Whitwellian	Lockportian	429.7 *
		Sheinwoodian											430.5
	Llandovery	Telychian										Ontarian	433.4
		Aeronian											438.5
							Alexandrian						438.7 *
			Medinan									Clinton	440.1 *
													440.7 *
		Rhuddanian											440.8
Ordovician	Late Ordovician	Hirnantian											443.8
		Katian		445.2
		Sandbian		453
	Middle Ordovician	Darriwilian		458.4
	Middle Ordovician	Dapingian		467.3
	Early Ordovician	Floian		470
	Early Ordovician	Tremadocian		477.7
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