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
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
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
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 1049 collections

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International Chronostratigraphic Timescale			Cambrian of China		Cambrian of Siberia			Ordovician of North America						Obsolete Names for ICS Units
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							Demingian †	482 *
												Mansian †	483.55 *
												Mansian †	485 *
Cambrian	Furongian	Stage 10						Niuchehean		Taoyuanian †	Batyrbaian	Tavgian †	Ketyan †/Yurakian			485.4
		Stage 10						Niuchehean							487.5
		Jiangshanian						Jiangshanian							489.5
											Aksaian				490.7 *
											Sakian				492.2 *
		Paibian						Paibian							494
													Ensyan †/Maduan/Nganasanian		494.7 *
										Waergangian †/Youshuanian			Ensyan †/Maduan/Nganasanian		494.9 *
	Miaolingian	Guzhangian						Guzhangian		Wangcunian †	Ayusokkanian				Series 3 †	497
		Guzhangian						Guzhangian			Mayan/Menevian					499.5
		Drumian						Drumian			Mayan/Menevian					500.5
		Wuliuan						Wuliuan/Taijangian			Amgan/Solvan					Stage 5 †	504.5
	Series 2	Stage 4						Duyunian			Amgan/Solvan						509
											Toyonian	Lenian †					510 *
											Botomian						512.5 *
		Stage 3						Nangaoian			Botomian						514
		Stage 3						Nangaoian			Atdabanian						515.6 *
	Terreneuvian	Stage 2						Meishucunian			Tommotian						521
		Stage 2									Nemakit-Daldynian						525.5
		Fortunian										Manykaian †					529
		Fortunian						Jinnigian				Manykaian †					530.7
																		538.8