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						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		Cressagian					Demingian †		482 *
											Demingian †		485 *
Cambrian	Furongian	Stage 10						Niuchehean		Taoyuanian †				485.4
		Stage 10						Niuchehean						487.5
		Jiangshanian						Jiangshanian				489.5
		Paibian						Paibian				494
		Paibian						Paibian		Waergangian †/Youshuanian		494.9 *
	Miaolingian	Guzhangian						Guzhangian		Wangcunian †		Series 3 †		497
		Drumian						Drumian		Wangcunian †				500.5
		Wuliuan						Wuliuan/Taijangian						Stage 5 †	504.5
	Series 2	Stage 4						Duyunian							509
	Series 2	Stage 3						Nangaoian							514
	Terreneuvian	Stage 2						Meishucunian							521
		Fortunian						Meishucunian							529
		Fortunian						Jinnigian							530.7
																538.8