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. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) view

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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	Cenozoic Subepochs	Carboniferous Subepochs	Silurian Ages of Europe	European Faunal Zones
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			MN 17	1.8
Neogene	Pliocene	Piacenzian		Late Pliocene			MN 16	2.58
		Piacenzian		Late Pliocene			MN 15	3.2
		Zanclean		Early Pliocene			MN 15	3.6
							MN 14	4.2
							MN 13	4.9
	Miocene	Messinian		Late Miocene			MN 13	5.333
		Tortonian					MN 12	7.246
							MN 11	7.75
							MN 10	8.7
							MN 9	9.7
							MN 7 + 8	11.1
		Serravallian	Cenozoic 5	Middle Miocene			MN 7 + 8	11.63
		Serravallian					MN 6	12.8 *
		Langhian					MN 5	13.82
		Burdigalian		Early Miocene			MN 4	15.98
							MN 3	16.9
							MN 2	20
		Aquitanian					MN 2	20.44
		Aquitanian					MN 1	22.4
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					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		251.902
	Lopingian	Wuchiapingian			254.14
	Guadalupian	Capitanian			259.51
		Wordian			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		Late Pennsylvanian	298.9
		Kasimovian	Carboniferous 5		Late Pennsylvanian	303.7
		Moscovian	Carboniferous 4		Middle Pennsylvanian	307
		Bashkirian	Carboniferous 4		Early Pennsylvanian	315.2
	Mississippian	Serpukhovian	Carboniferous 3		Late Mississippian	323.2
		Visean	Carboniferous 2		Middle Mississippian	330.9
		Tournaisian	Carboniferous 1		Early Mississippian	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				Gleedonian	427.4
		Homerian				Whitwellian	429.7 *
		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	485.4
		Jiangshanian		489.5
		Paibian		494
	Miaolingian	Guzhangian	Cambrian 4	497
		Drumian	Cambrian 4	500.5
		Wuliuan	Cambrian 3	504.5
	Series 2	Stage 4	Cambrian 3	509
	Series 2	Stage 3	Cambrian 2	514
	Terreneuvian	Stage 2	Cambrian 2	521
	Terreneuvian	Fortunian	Cambrian 1	529
								538.8