PBDB Timescale

Ten Million Year Bins

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
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
P. L. Gibbard, M. J. Head, and M. J. C. Walker. 2010. Formal ratification of the Quaternary System/Period and the Pleistocene Series/Epoch with a base at 2.58 Ma. Journal of Quaternary Science 25(2):96-102 view

There are 56 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.

This timescale is used in the definition of 1 collections

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International Chronostratigraphic Timescale			Ten Million Year Bins	Silurian Ages of Europe	Cambrian of Britain		Permian of China	Cenozoic Subepochs of Southern Europe	Devonian of Germany	Cambrian of Australia	Cambrian of West Avalonia
Quaternary	Holocene	Meghalayan	Cenozoic 6									0
		Northgrippian										0.0042
		Greenlandian										0.0082
	Pleistocene	Late Pleistocene						Tarantian				0.0117
		Chibanian						Ionian				0.129
		Calabrian										0.774
		Gelasian										1.8
Neogene	Pliocene	Piacenzian										2.58
	Pliocene	Zanclean										3.6
	Miocene	Messinian										5.333
		Tortonian										7.246
		Serravallian	Cenozoic 5									11.63
		Langhian										13.82
		Burdigalian										15.98
		Aquitanian										20.44
Paleogene	Oligocene	Chattian	Cenozoic 4									23.03
	Oligocene	Rupelian	Cenozoic 4									27.82
	Eocene	Priabonian	Cenozoic 3									33.9
		Bartonian	Cenozoic 3									37.71
		Lutetian	Cenozoic 2									41.2
		Ypresian	Cenozoic 2									47.8
	Paleocene	Thanetian	Cenozoic 1									56
		Selandian										59.2
		Danian										61.6
Cretaceous	Late Cretaceous	Maastrichtian	Cretaceous 8									66
		Campanian	Cretaceous 7									72.1
		Santonian	Cretaceous 6									83.6
		Coniacian										86.3
		Turonian										89.8
		Cenomanian	Cretaceous 5									93.9
	Early Cretaceous	Albian	Cretaceous 4									100.5
		Aptian	Cretaceous 3									113
		Barremian	Cretaceous 2									121.4
		Hauterivian	Cretaceous 2									125.77
		Valanginian	Cretaceous 1									132.6
		Berriasian	Cretaceous 1									139.8
Jurassic	Late Jurassic	Tithonian	Jurassic 6									145
		Kimmeridgian	Jurassic 5									149.2
		Oxfordian										154.8
	Middle Jurassic	Callovian										161.5
		Bathonian	Jurassic 4									165.3
		Bajocian	Jurassic 4									168.2
		Aalenian	Jurassic 3									170.9
	Early Jurassic	Toarcian	Jurassic 3									174.7
		Pliensbachian	Jurassic 2									184.2
		Sinemurian	Jurassic 1									192.9
		Hettangian	Jurassic 1									199.5
Triassic	Late Triassic	Rhaetian	Triassic 4									201.4
		Norian	Triassic 4									208.5
		Carnian	Triassic 3									227
	Middle Triassic	Ladinian	Triassic 2									237
	Middle Triassic	Anisian	Triassic 2									242
	Early Triassic	Olenekian	Triassic 1									247.2
	Early Triassic	Induan	Triassic 1									251.2
Permian	Lopingian	Changhsingian	Permian 4				Meishanian					251.902
		Changhsingian					Baoqingian					253.4 *
		Wuchiapingian					Laoshanian					254.14
		Wuchiapingian					Laibinian					257.7 *
	Guadalupian	Capitanian					Lengwuan					259.51
		Wordian					Kuhfengian					264.28
		Roadian	Permian 3				Kuhfengian					266.9
	Cisuralian	Kungurian	Permian 2				Luodianian					273.01
		Artinskian					Luodianian					283.5
		Artinskian					Longlinian					285.4 *
		Sakmarian		290.1			Longlinian
		Asselian	Permian 1	Zisongian	293.52
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5	Zisongian	298.9
		Gzhelian			300.1
		Kasimovian			303.7
		Moscovian	Carboniferous 4		307
		Bashkirian	Carboniferous 4		315.2
	Mississippian	Serpukhovian	Carboniferous 3		323.2
		Visean	Carboniferous 2		330.9
		Tournaisian	Carboniferous 1		346.7
Devonian	Late Devonian	Famennian	Devonian 5		Wocklum/Dasberg/Hemberg/Nehden	358.9
	Late Devonian	Frasnian	Devonian 4		Adorf	372.2
	Middle Devonian	Givetian	Devonian 3		Givetian	382.7
	Middle Devonian	Eifelian	Devonian 3		Eifelian	387.7
	Early Devonian	Emsian	Devonian 2		Emsian	393.3
		Pragian	Devonian 1		Siegen	407.6
		Lochkovian	Devonian 1		Gedinnine	410.8
Silurian	Pridoli		Silurian 2			419.2
	Ludlow	Ludfordian				423
	Ludlow	Gorstian				425.6
	Wenlock	Homerian				Gleedonian	427.4
		Homerian				Whitwellian	429.7 *
		Sheinwoodian					430.5
	Llandovery	Telychian	Silurian 1				433.4
		Aeronian					438.5
		Rhuddanian					440.8
Ordovician	Late Ordovician	Hirnantian	Ordovician 5				443.8
		Katian	Ordovician 5				445.2
		Sandbian	Ordovician 4				453
	Middle Ordovician	Darriwilian	Ordovician 3				458.4
	Middle Ordovician	Dapingian	Ordovician 2				467.3
	Early Ordovician	Floian	Ordovician 2				470
	Early Ordovician	Tremadocian	Ordovician 1				477.7
Cambrian	Furongian	Stage 10	Cambrian 5				Merioneth	Dolgellian/Trempealeauan	Datsonian	485.4
								Dolgellian/Trempealeauan	Payntonian	486.8 *
								Festiniogian	Payntonian	489.2 *
		Jiangshanian						Festiniogian	Iverian	489.5
		Jiangshanian						Maentwrogian	Iverian	493.1 *
		Paibian						Maentwrogian	Idamean	494
	Miaolingian	Guzhangian	Cambrian 4				St Davids		Mindyallan	497
									Mindyallan	Arcadian	498.4
									Boomerangian		499
		Drumian							Undillan		500.5
		Drumian							Floran		503
		Wuliuan	Cambrian 3						Templetonian		504.5
		Wuliuan							Ordian		507.8 *
	Series 2	Stage 4					Caerfai		Ordian	Branchian	509
		Stage 4									510.8 *
		Stage 3	Cambrian 2								514
		Stage 3								Placentian	517.1
	Terreneuvian	Stage 2									521
	Terreneuvian	Fortunian	Cambrian 1								529
												538.8