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
J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) 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
D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. 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.

Interval names marked with † are no longer in current use.

This timescale is used in the definition of 1 collections

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International Chronostratigraphic Timescale			Ten Million Year Bins	Silurian of England		Permian-Jurassic of New Zealand		Carbo-Permian of the Russian Platform	Cambrian of Australia	Cenozoic Subepochs	Cambrian of North America		Cambrian of Siberia			Ordovician of Ibero-Bohemia
Quaternary	Holocene	Meghalayan	Cenozoic 6															0
		Northgrippian																0.0042
		Greenlandian																0.0082
	Pleistocene	Late Pleistocene								Late Pleistocene								0.0117
		Chibanian								Middle Pleistocene								0.129
		Calabrian								Early Pleistocene								0.774
		Gelasian								Early Pleistocene								1.8
Neogene	Pliocene	Piacenzian								Late Pliocene								2.58
	Pliocene	Zanclean								Early Pliocene								3.6
	Miocene	Messinian								Late Miocene								5.333
		Tortonian								Late Miocene								7.246
		Serravallian	Cenozoic 5							Middle Miocene								11.63
		Langhian								Middle Miocene								13.82
		Burdigalian								Early Miocene								15.98
		Aquitanian								Early Miocene								20.44
Paleogene	Oligocene	Chattian	Cenozoic 4							Late Oligocene								23.03
	Oligocene	Rupelian	Cenozoic 4							Early Oligocene								27.82
	Eocene	Priabonian	Cenozoic 3							Late Eocene								33.9
		Bartonian	Cenozoic 3							Middle Eocene								37.71
		Lutetian	Cenozoic 2							Middle Eocene								41.2
		Ypresian	Cenozoic 2							Early Eocene								47.8
	Paleocene	Thanetian	Cenozoic 1							Late Paleocene								56
		Selandian								Middle Paleocene								59.2
		Danian								Early Paleocene								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			Oteke	Puaroan											145
		Kimmeridgian	Jurassic 5			Oteke	Puaroan											149.2
						Kawhia	Ohauan											150
							Heterian											154.5
		Oxfordian																154.8
	Middle Jurassic	Callovian																161.5
		Callovian					Temaikan											164.3
		Bathonian	Jurassic 4															165.3
		Bajocian	Jurassic 4															168.2
		Aalenian	Jurassic 3															170.9
	Early Jurassic	Toarcian																174.7
		Toarcian				Herangi	Ururoan											176
		Pliensbachian	Jurassic 2				Ururoan											184.2
		Pliensbachian	Jurassic 2				Aratauran											188.9
		Sinemurian	Jurassic 1															192.9
		Hettangian	Jurassic 1															199.5
Triassic	Late Triassic	Rhaetian	Triassic 4			Balfour	Otapirian											201.4
		Norian					Warepan											208.5
							Otamitan											217
							Oretian											221
		Carnian	Triassic 3				Oretian											227
		Carnian	Triassic 3			Gore	Kaihikuan											227.5
	Middle Triassic	Ladinian	Triassic 2				Kaihikuan											237
		Ladinian					Etalian											238
		Anisian					Etalian											242
		Anisian					Malakovian											246
	Early Triassic	Olenekian	Triassic 1				Malakovian											247.2
		Olenekian					Nelsonian											249
		Induan		251.2			Nelsonian
		Induan		DUrville	Makarewan	251.5
Permian	Lopingian	Changhsingian	Permian 4		Makarewan	Melekhovian	251.902
		Changhsingian			Waiitian		253.2
		Wuchiapingian			Waiitian		254.14
		Wuchiapingian			Puruhauan		254.2
	Guadalupian	Capitanian		Aparima	Flettian		259.51
		Wordian					264.28
						Noginskian	264.9 *
					Barettian		266
		Roadian	Permian 3				266.9
	Cisuralian	Kungurian	Permian 2				273.01
					Mangapirian		276
						Pavlovoposadian	276.8 *
		Artinskian					283.5
					Telfordian		285
					Telfordian	Rusavkinian	287.6 *
							288.5
		Sakmarian					290.1
		Asselian	Permian 1				293.52
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5				Late Pennsylvanian	298.9
		Kasimovian				Dorogomilovian		303.7
						Khamovnikian		304.8
						Krevyakinian		305.8 *
		Moscovian	Carboniferous 4			Myachkovian	Middle Pennsylvanian	307
						Podolskian		308.9 *
						Kashirian		311.4 *
						Vereian		313.8
						Melekessian		314.8
		Bashkirian				Melekessian	Early Pennsylvanian	315.2
						Cheremshanian		316.9 *
						Prikamian		318.6 *
						Severokeltmian		319.9 *
						Krasnopolyanian		321.2 *
						Voznesenian		321.9 *
	Mississippian	Serpukhovian	Carboniferous 3			Zapaltjubian	Late Mississippian	323.2
						Protvian		324.4 *
						Steshevian		326.8 *
						Tarusian		329 *
		Visean	Carboniferous 2			Venevian	Middle Mississippian	330.9
						Mikhailovian		331.9 *
						Aleksinian		333.7 *
						Tulian		335.8 *
						Bobrikian		339.9 *
						Radaevkian		343.4 *
		Tournaisian	Carboniferous 1			Kosvian	Early Mississippian	346.7
						Kizelian		350.7 *
						Cherepetian		351.9 *
						Karakubian		354.4 *
						Upinian		356.3 *
						Malevkian		357.6 *
						Gumerovian		358 *
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					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							Kosovian	443.8
		Katian								Kralodvorian	Bohdalec †	445.2
		Katian								Berounian		449.7 *
		Sandbian	Ordovician 4									453
												Zahorany †/Vinice	Letna †	456.2 *
											Liben †			458 *
	Middle Ordovician	Darriwilian	Ordovician 3											458.4
										Dobrotivian				458.5 *
										Oretanian				459.7 *
				Sarka †							461.7 *
		Dapingian	Ordovician 2	Klabava †							467.3
		Dapingian								Arenigian	468
	Early Ordovician	Floian								Arenigian	470
		Tremadocian	Ordovician 1	Tremadocian							477.7
		Tremadocian	Ordovician 1	Tremadocian							Mansian †		483.55 *
Cambrian	Furongian	Stage 10	Cambrian 5	Datsonian							Franconian †/Dresbachian/Millardan		Batyrbaian	Tavgian †	Ketyan †/Yurakian	485.4
				Payntonian												486.8 *
				Payntonian												Sunwaptan	487.5
		Jiangshanian		Iverian													489.5
													Aksaian				490.7 *
													Sakian				492.2 *
																Steptoean	493 *
		Paibian		Idamean													494
		Paibian		Idamean											Ensyan †/Maduan/Nganasanian		494.7 *
	Miaolingian	Guzhangian	Cambrian 4	Mindyallan							Marjumian		Albertian †	Ayusokkanian			497
				Boomerangian										Ayusokkanian			499
				Boomerangian										Mayan/Menevian			499.5
		Drumian		Undillan													500.5
		Drumian		Floran													503
		Wuliuan	Cambrian 3	Templetonian							Topazan			Amgan/Solvan			504.5
				Templetonian							Delamaran						506.5
				Ordian													507.8 *
	Series 2	Stage 4											Waucoban †				509
														Toyonian	Lenian †		510 *
																	510.8 *
											Dyeran						511 *
														Botomian			512.5 *
		Stage 3	Cambrian 2														514
											Montezuman						514.8 *
											Montezuman			Atdabanian			515.6 *
											Begadean			Atdabanian			519.9 *
	Terreneuvian	Stage 2												Tommotian			521
		Stage 2												Nemakit-Daldynian			525.5
		Fortunian	Cambrian 1											Nemakit-Daldynian	Manykaian †		529
																		538.8