PBDB Timescale

Cambrian of Siberia

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
D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 view

There are 15 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 2261 collections

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International Chronostratigraphic Timescale			Cambrian of Siberia			Obsolete Names for ICS Units			Ordovician of North America					Ordovician of Australia	Cambrian Epochs	Cambrian of North America
Neogene	Pliocene	Piacenzian				Tertiary †											2.58
	Pliocene	Zanclean															3.6
	Miocene	Messinian															5.333
		Tortonian															7.246
		Serravallian															11.63
		Langhian															13.82
		Burdigalian															15.98
		Aquitanian															20.44
Paleogene	Oligocene	Chattian															23.03
	Oligocene	Rupelian															27.82
	Eocene	Priabonian															33.9
		Bartonian															37.71
		Lutetian															41.2
		Ypresian															47.8
	Paleocene	Thanetian															56
		Selandian															59.2
		Danian															61.6
Cretaceous	Late Cretaceous	Maastrichtian															66
		Campanian															72.1
		Santonian															83.6
		Coniacian															86.3
		Turonian															89.8
		Cenomanian															93.9
	Early Cretaceous	Albian															100.5
		Aptian															113
		Barremian															121.4
		Hauterivian															125.77
		Valanginian															132.6
		Berriasian															139.8
Jurassic	Late Jurassic	Tithonian															145
		Kimmeridgian															149.2
		Oxfordian															154.8
	Middle Jurassic	Callovian															161.5
		Bathonian															165.3
		Bajocian															168.2
		Aalenian															170.9
	Early Jurassic	Toarcian															174.7
		Pliensbachian															184.2
		Sinemurian															192.9
		Hettangian															199.5
Triassic	Late Triassic	Rhaetian															201.4
		Norian															208.5
		Carnian															227
	Middle Triassic	Ladinian															237
	Middle Triassic	Anisian															242
	Early Triassic	Olenekian															247.2
	Early Triassic	Induan															251.2
Permian	Lopingian	Changhsingian															251.902
	Lopingian	Wuchiapingian					Longtanian †										254.14
	Guadalupian	Capitanian															259.51
		Wordian															264.28
		Roadian															266.9
	Cisuralian	Kungurian															273.01
		Artinskian															283.5
		Sakmarian															290.1
		Asselian															293.52
Carboniferous	Pennsylvanian	Gzhelian															298.9
		Kasimovian															303.7
		Moscovian															307
		Bashkirian															315.2
	Mississippian	Serpukhovian															323.2
		Visean															330.9
		Tournaisian															346.7
Devonian	Late Devonian	Famennian															358.9
	Late Devonian	Frasnian	372.2
	Middle Devonian	Givetian	382.7
	Middle Devonian	Eifelian	387.7
	Early Devonian	Emsian	393.3
		Pragian	407.6
		Lochkovian	410.8
Silurian	Pridoli		419.2
	Ludlow	Ludfordian	423
	Ludlow	Gorstian	425.6
	Wenlock	Homerian	427.4
	Wenlock	Sheinwoodian	430.5
	Llandovery	Telychian	433.4
		Aeronian	438.5
		Rhuddanian	440.8
Ordovician	Late Ordovician	Hirnantian	Cincinnatian	Gamachian	Bolindian			443.8
		Katian		Gamachian				445.2
				Richmondian				446 *
				Richmondian	Eastonian	449 *
				Maysvillian		Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian		449.8 *
				Edenian				450.4 *
			Mohawkian	Chatfieldian				451.1 *
					Gisbornian			452 *
		Sandbian						453
				Turinian				453.7 *
			Whiterockian			Canadian †		Chazyan †/Marmor	457 *
	Middle Ordovician	Darriwilian			Darriwilian				458.4
		Dapingian			Yapeenian				467.3
					Castlemainian				468.5 *
				Rangerian	Castlemainian				469.1 *
	Early Ordovician	Floian	Ibexian	Blackhillsian	Jeffersonian †			Cassinian †	Chewtonian	470
									Bendigonian	471.8 *
									Lancefieldian	473.5 *
				Tulean						473.9 *
		Tremadocian		Tulean						477.7
				Stairsian						480.3 *
				Skullrockian				Demingian †		482 *
									Warendian	482.8 *
									Warendian	Mansian †	483.55 *
Cambrian	Furongian	Stage 10			Batyrbaian	Tavgian †		Ketyan †/Yurakian				Late Cambrian	Franconian †/Dresbachian/Millardan	485.4
		Stage 10												Sunwaptan	487.5
		Jiangshanian													489.5
					Aksaian										490.7 *
					Sakian										492.2 *
														Steptoean	493 *
		Paibian													494
		Paibian						Ensyan †/Maduan/Nganasanian							494.7 *
	Miaolingian	Guzhangian			Ayusokkanian							Series 3 †	Middle Cambrian	Marjumian	Albertian †	497
		Guzhangian			Mayan/Menevian											499.5
		Drumian			Mayan/Menevian											500.5
		Wuliuan			Amgan/Solvan		Stage 5 †							Topazan		504.5
		Wuliuan					Stage 5 †							Delamaran		506.5
	Series 2	Stage 4											Early Cambrian		Waucoban †	509
					Toyonian	Lenian †										510 *
					Toyonian									Dyeran		511 *
					Botomian											512.5 *
		Stage 3														514
														Montezuman		514.8 *
					Atdabanian									Montezuman		515.6 *
					Atdabanian									Begadean		519.9 *
	Terreneuvian	Stage 2			Tommotian											521
		Stage 2			Nemakit-Daldynian											525.5
		Fortunian			Nemakit-Daldynian	Manykaian †										529
																	538.8