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
A. G. Sennikov and V. K. Golubev. 2006. Vyazniki Biotic Assemblage of the Terminal Permian. Paleontological Journal 40(suppl. 4):S475-S481 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

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 of England		Devonian of Germany	Permo-Triassic Subages of Eastern Europe	Devonian of Eastern North America	Cambrian of Australia	Cambrian of West Avalonia
Quaternary	Holocene	Meghalayan	Cenozoic 6								0
		Northgrippian									0.0042
		Greenlandian									0.0082
	Pleistocene	Late Pleistocene									0.0117
		Chibanian									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				Vokhmian				247.2
	Early Triassic	Induan	Triassic 1				Vokhmian				251.2
Permian	Lopingian	Changhsingian	Permian 4								251.902
	Lopingian	Wuchiapingian					Late Vyatkian/Early Vyatkian				254.14
	Guadalupian	Capitanian					Late Severodvinian/Early Severodvinian				259.51
		Wordian					Late Urzhumian/Early Urzhumian				264.28
		Roadian	Permian 3				Late Kazanian/Early Kazanian				266.9
	Cisuralian	Kungurian	Permian 2								273.01
		Artinskian									283.5
		Sakmarian									290.1
		Asselian	Permian 1								293.52
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5								298.9
		Kasimovian	Carboniferous 5	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	Conewangan/Conneautan/Canadaway	358.9
	Late Devonian	Frasnian	Devonian 4	Adorf	West Fallsian/Sonyean	372.2
	Middle Devonian	Givetian	Devonian 3	Givetian	Geneseean/Taghanican/Tioughniogan	Cazenovian		382.7
	Middle Devonian	Eifelian	Devonian 3	Eifelian	Southwoodian	Cazenovian		387.7
	Early Devonian	Emsian	Devonian 2	Emsian	Sawkillian/Deer Parkian	Helderbergian		393.3
		Pragian	Devonian 1	Siegen				407.6
		Lochkovian	Devonian 1	Gedinnine				410.8
Silurian	Pridoli		Silurian 2	Red Downtonian/Temeside Shales/Downton Castle		Whitcliffe/Leintwardine			419.2
	Pridoli			Red Downtonian/Temeside Shales/Downton Castle		Bringewood/Elton			421.3
	Ludlow	Ludfordian		Coalbrookdale		Wenlock (England)/Tickwood			423
		Gorstian							425.6
		Gorstian				Buildwas			426.4 *
	Wenlock	Homerian				Buildwas			427.4
		Homerian		Wych		Woolhope			428.4 *
		Sheinwoodian							430.5
	Llandovery	Telychian	Silurian 1						433.4
		Telychian							436.3 *
		Aeronian							438.5
		Aeronian		Cowleigh Park					439.3 *
		Rhuddanian		Cowleigh Park					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						Datsonian	485.4
		Stage 10							Payntonian	486.8 *
		Jiangshanian							Iverian	489.5
		Paibian							Idamean	494
	Miaolingian	Guzhangian	Cambrian 4						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							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