PBDB Timescale

Ten Million Year Bins

The interval definitions in this timescale are derived from the following sources:

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
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
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

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	Cenozoic Subepochs of Southern Europe	Permian of China	Devonian of Eastern North America
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			Longlinian	290.1
		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	Conewangan/Conneautan/Canadaway		358.9
	Late Devonian	Frasnian	Devonian 4	West Fallsian/Sonyean		372.2
	Middle Devonian	Givetian	Devonian 3	Geneseean/Taghanican/Tioughniogan		Cazenovian	382.7
	Middle Devonian	Eifelian	Devonian 3	Southwoodian		Cazenovian	387.7
	Early Devonian	Emsian	Devonian 2	Sawkillian/Deer Parkian		Helderbergian	393.3
		Pragian	Devonian 1				407.6
		Lochkovian	Devonian 1				410.8
Silurian	Pridoli		Silurian 2				419.2
	Ludlow	Ludfordian					423
	Ludlow	Gorstian					425.6
	Wenlock	Homerian					427.4
	Wenlock	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				485.4
		Jiangshanian					489.5
		Paibian					494
	Miaolingian	Guzhangian	Cambrian 4				497
		Drumian	Cambrian 4				500.5
		Wuliuan	Cambrian 3				504.5
	Series 2	Stage 4	Cambrian 3				509
	Series 2	Stage 3	Cambrian 2				514
	Terreneuvian	Stage 2	Cambrian 2				521
	Terreneuvian	Fortunian	Cambrian 1				529
								538.8