PBDB Timescale

Ten Million Year Bins

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

F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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

Show more time

Show linear time

International Chronostratigraphic Timescale			Ten Million Year Bins	Cambrian of West Avalonia	Cambrian of Britain		Mammal Paleogene Zones		Permian of North America		Permian Subages of Germany	Cambrian Epochs
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				MP 30/MP 29/MP 28/MP 27/MP 26	MP 25					23.03
	Oligocene	Rupelian	Cenozoic 4				MP 24/MP 23/MP 22/MP 21	MP 25					27.82
	Eocene	Priabonian	Cenozoic 3				MP 20/MP 19/MP 18/MP 17B/MP 17A						33.9
		Bartonian	Cenozoic 3				MP 16						37.71
		Lutetian	Cenozoic 2				MP 15/MP 14/MP 13/MP 12/MP 11						41.2
		Ypresian	Cenozoic 2				MP 10/MP 8 + 9/MP 7						47.8
	Paleocene	Thanetian	Cenozoic 1				MP 6	MP 1 - 5					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							Capitanian		Ohre/Aller		259.51
		Wordian							Wordian		Leine		264.28
		Roadian	Permian 3						Roadian				266.9
	Cisuralian	Kungurian	Permian 2						Leonardian	Cathedralian			273.01
		Kungurian								Hessian			281.9 *
		Artinskian								Hessian			283.5
		Artinskian							Wolfcampian	Lenoxian			286.1 *
		Sakmarian								Lenoxian			290.1
		Asselian	Permian 1	Nealian	293.52
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5			298.9
		Gzhelian				Xiaodushanian			300 *
		Kasimovian				Xiaodushanian			303.7
		Kasimovian				Dalaun			305.8 *
		Moscovian	Carboniferous 4						307
		Bashkirian							315.2
						Huashibanian			318.5 *
						Lousuan			321.2 *
	Mississippian	Serpukhovian	Carboniferous 3			Dewunian			323.2
		Serpukhovian	Carboniferous 3			Shangsian			330.8 *
		Visean	Carboniferous 2			Shangsian			330.9
		Visean	Carboniferous 2			Jiusian			335 *
		Tournaisian	Carboniferous 1			Tangbagouan			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				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	Late Cambrian	485.4
		Stage 10						Festiniogian		489.2 *
		Jiangshanian						Festiniogian		489.5
		Jiangshanian						Maentwrogian		493.1 *
		Paibian						Maentwrogian		494
	Miaolingian	Guzhangian	Cambrian 4				St Davids		Middle Cambrian	497
		Guzhangian								Arcadian		498.4
		Drumian										500.5
		Wuliuan	Cambrian 3									504.5
	Series 2	Stage 4	Cambrian 3				Branchian		Caerfai	Early Cambrian		509
		Stage 3	Cambrian 2				Branchian					514
		Stage 3					Placentian					517.1
	Terreneuvian	Stage 2										521
	Terreneuvian	Fortunian	Cambrian 1									529
													538.8