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
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

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	Cretaceous Subepochs	Ordovician of Australia	Permian of China	Cambrian of Britain		European Faunal Units	European Faunal Zones
Quaternary	Holocene	Meghalayan	Cenozoic 6								0
		Northgrippian									0.0042
		Greenlandian									0.0082
	Pleistocene	Late Pleistocene									0.0117
		Chibanian									0.129
		Calabrian									0.774
		Gelasian								MN 17	1.8
Neogene	Pliocene	Piacenzian							Villanyian	MN 16	2.58
									Ruscinian	MN 16	3.1 *
										MN 15	3.2
		Zanclean								MN 15	3.6
										MN 14	4.2
										MN 13	4.9
	Miocene	Messinian							Turolian	MN 13	5.333
		Tortonian								MN 12	7.246
										MN 11	7.75
									Vallesian	MN 10	8.7
										MN 9	9.7
										MN 7 + 8	11.1
		Serravallian	Cenozoic 5						Astaracian	MN 7 + 8	11.63
		Serravallian								MN 6	12.8 *
		Langhian								MN 5	13.82
		Burdigalian							Orleanian	MN 4	15.98
									Orleanian	MN 3	16.9
									Agenian	MN 2	20
		Aquitanian								MN 2	20.44
		Aquitanian								MN 1	22.4
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	Senonian							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	Gallic							100.5
		Aptian	Cretaceous 3								113
		Barremian	Cretaceous 2								121.4
		Hauterivian	Cretaceous 2	Neocomian							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			358.9
	Late Devonian	Frasnian	Devonian 4			372.2
	Middle Devonian	Givetian	Devonian 3			382.7
	Middle Devonian	Eifelian	Devonian 3			387.7
	Early Devonian	Emsian	Devonian 2			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			Bolindian	443.8
		Katian				Bolindian	445.2
						Eastonian	449 *
						Gisbornian	452 *
		Sandbian	Ordovician 4			Gisbornian	453
	Middle Ordovician	Darriwilian	Ordovician 3			Darriwilian	458.4
		Dapingian	Ordovician 2			Yapeenian	467.3
		Dapingian				Castlemainian	468.5 *
	Early Ordovician	Floian				Chewtonian	470
						Bendigonian	471.8 *
						Lancefieldian	473.5 *
		Tremadocian	Ordovician 1	477.7		Lancefieldian
		Tremadocian	Ordovician 1	Warendian		482.8 *
Cambrian	Furongian	Stage 10	Cambrian 5			Merioneth	Dolgellian/Trempealeauan	485.4
		Stage 10					Festiniogian	489.2 *
		Jiangshanian					Festiniogian	489.5
		Jiangshanian					Maentwrogian	493.1 *
		Paibian					Maentwrogian	494
	Miaolingian	Guzhangian	Cambrian 4			St Davids		497
		Drumian	Cambrian 4					500.5
		Wuliuan	Cambrian 3					504.5
	Series 2	Stage 4	Cambrian 3			Caerfai		509
	Series 2	Stage 3	Cambrian 2					514
	Terreneuvian	Stage 2	Cambrian 2					521
	Terreneuvian	Fortunian	Cambrian 1					529
											538.8