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, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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	Permian Subages of Germany	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						247.2
	Early Triassic	Induan	Triassic 1						251.2
Permian	Lopingian	Changhsingian	Permian 4	Buntsandstein					251.902
	Lopingian	Wuchiapingian		Buntsandstein					254.14
	Guadalupian	Capitanian		Ohre/Aller					259.51
		Wordian		Leine					264.28
		Roadian	Permian 3						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		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				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