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

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	Devonian of Germany	Cambrian of Kazakhstan	Carbo-Permian of the Russian Platform
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			Melekhovian	251.902
	Lopingian	Wuchiapingian					254.14
	Guadalupian	Capitanian					259.51
		Wordian					264.28
		Wordian				Noginskian	264.9 *
		Roadian	Permian 3				266.9
	Cisuralian	Kungurian	Permian 2				273.01
		Kungurian				Pavlovoposadian	276.8 *
		Artinskian				Pavlovoposadian	283.5
		Artinskian				Rusavkinian	287.6 *
		Sakmarian		290.1
		Asselian	Permian 1	293.52
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5	298.9
		Kasimovian		Dorogomilovian	303.7
				Khamovnikian	304.8
				Krevyakinian	305.8 *
		Moscovian	Carboniferous 4	Myachkovian	307
				Podolskian	308.9 *
				Kashirian	311.4 *
				Vereian	313.8
				Melekessian	314.8
		Bashkirian		Melekessian	315.2
				Cheremshanian	316.9 *
				Prikamian	318.6 *
				Severokeltmian	319.9 *
				Krasnopolyanian	321.2 *
				Voznesenian	321.9 *
	Mississippian	Serpukhovian	Carboniferous 3	Zapaltjubian	323.2
				Protvian	324.4 *
				Steshevian	326.8 *
				Tarusian	329 *
		Visean	Carboniferous 2	Venevian	330.9
				Mikhailovian	331.9 *
				Aleksinian	333.7 *
				Tulian	335.8 *
				Bobrikian	339.9 *
				Radaevkian	343.4 *
		Tournaisian	Carboniferous 1	Kosvian	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	Wocklum/Dasberg/Hemberg/Nehden		358.9
	Late Devonian	Frasnian	Devonian 4	Adorf		372.2
	Middle Devonian	Givetian	Devonian 3	Givetian		382.7
	Middle Devonian	Eifelian	Devonian 3	Eifelian		387.7
	Early Devonian	Emsian	Devonian 2	Emsian		393.3
		Pragian	Devonian 1	Siegen		407.6
		Lochkovian	Devonian 1	Gedinnine		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			Ungurian	477.7
Cambrian	Furongian	Stage 10	Cambrian 5			Batyrbaian	485.4
		Jiangshanian				Batyrbaian	489.5
						Aksaian	490.7 *
						Sakian	492.2 *
		Paibian				Sakian	494
	Miaolingian	Guzhangian	Cambrian 4			Ayusokkanian	497
		Guzhangian					499.5
		Drumian				Zhanaarykian	500.5
		Drumian				Tuesaian	503
		Wuliuan	Cambrian 3			Tuesaian	504.5
		Wuliuan					505.3
	Series 2	Stage 4					509
						Toyonian	510 *
						Botomian	512.5 *
		Stage 3	Cambrian 2			Botomian	514
		Stage 3				Atdabanian	515.6 *
	Terreneuvian	Stage 2				Tommotian	521
		Stage 2					525.5
		Fortunian	Cambrian 1				529
							538.8