PBDB Timescale

Cambrian of China

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
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
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
K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 view

There are 12 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 1048 collections

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International Chronostratigraphic Timescale			Cambrian of China		Ordovician of North America						Cambrian Epochs	Obsolete Names for ICS Units		Ordovician of Britain
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	Ashgill	Hirnantian	443.8
		Katian		Gamachian		Rawtheyan	445.2
				Richmondian		Rawtheyan	446 *
						Cautleyan	448.9 *
						Pusgillian	449.3 *
					Caradoc	Streffordian	Onnian †	449.6 *
				Maysvillian				Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
				Edenian					450.4 *
			Mohawkian	Chatfieldian					451.1 *
						Cheneyan			451.5 *
						Burrellian			452.7 *
		Sandbian							453
							Actonian †		453.2 *
				Turinian			Actonian †		453.7 *
							Marshbrookian †		Woolstonian †	454.2 *
							Longvillian †			455.2 *
						Aurelucian				456.8 *
			Whiterockian					Canadian †		Chazyan †/Marmor	457 *
							Soudleyan †/Harnagian/Costonian				457.4 *
	Middle Ordovician	Darriwilian			Llanvirn	Llandeilian/Llandeilo/Late Llandeilo/Middle Llandeilo/Early Llandeilo/Late Llanvirn					458.4
		Darriwilian				Abereiddian/Early Llanvirn					461.3 *
		Dapingian				Abereiddian/Early Llanvirn					467.3
					Arenig	Fennian					468.4 *
				Rangerian							469.1 *
	Early Ordovician	Floian	Ibexian	Blackhillsian						Jeffersonian †	Cassinian †	470
				Blackhillsian		Whitlandian						471.1 *
				Tulean		Whitlandian						473.9 *
						Moridunian						474.3 *
		Tremadocian			Tremadoc	Migneintian						477.7
				Stairsian		Migneintian						480.3 *
				Stairsian		Cressagian						480.8 *
				Skullrockian		Cressagian					Demingian †	482 *
											Demingian †	485 *
Cambrian	Furongian	Stage 10						Niuchehean		Taoyuanian †				Late Cambrian	485.4
		Stage 10						Niuchehean							487.5
		Jiangshanian						Jiangshanian					489.5
		Paibian						Paibian					494
		Paibian						Paibian		Waergangian †/Youshuanian			494.9 *
	Miaolingian	Guzhangian						Guzhangian		Wangcunian †			Middle Cambrian	Series 3 †	497
		Drumian						Drumian		Wangcunian †					500.5
		Wuliuan						Wuliuan/Taijangian							Stage 5 †	504.5
	Series 2	Stage 4						Duyunian					Early Cambrian			509
	Series 2	Stage 3						Nangaoian								514
	Terreneuvian	Stage 2						Meishucunian								521
		Fortunian						Meishucunian								529
		Fortunian						Jinnigian								530.7
																	538.8