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
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						Ordovician of the Baltic			Cambrian of Australia	Cambrian Epochs	Cambrian of North America		Cambrian of Britain
Quaternary	Holocene	Meghalayan																		0
		Northgrippian																		0.0042
		Greenlandian																		0.0082
	Pleistocene	Late Pleistocene																		0.0117
		Chibanian																		0.129
		Calabrian																		0.774
		Gelasian																		1.8
Neogene	Pliocene	Piacenzian																		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																		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	Harju	Porkuni	443.8
		Katian		Gamachian		Pirgu	445.2
				Richmondian		Pirgu	446 *
				Richmondian		Vormsi	449.6 *
				Maysvillian		Vormsi	Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
				Maysvillian		Nabala		Johvi †	450 *
				Edenian		Nabala			450.4 *
				Edenian	Viru	Rakvere			450.6 *
			Mohawkian	Chatfieldian		Rakvere			451.1 *
						Oandu			452 *
		Sandbian				Keila		Idavere †	453
				Turinian		Keila			453.7 *
						Haljala			453.9
						Kukruse			456.4 *
			Whiterockian			Kukruse	Canadian †		Chazyan †/Marmor	457 *
						Uhaku		Aluoja †		457.5 *
	Middle Ordovician	Darriwilian				Uhaku				458.4
						Lasnamagi				458.9 *
						Aseri				460.4 *
					Oeland	Kunda				462.9 *
						Kunda		Valaste †/Hunderum		464.3 *
						Volkhov				Langevoja †/Vaana/Saka	467.1 *
		Dapingian									467.3
				Rangerian							469.1 *
				Rangerian		Billingen					469.3 *
	Early Ordovician	Floian	Ibexian	Blackhillsian					Jeffersonian †		Cassinian †	470
								Latorp †				470.1 *
						Hunneberg						473.7 *
				Tulean								473.9 *
		Tremadocian		Tulean								477.7
				Stairsian								480.3 *
				Stairsian		Varangu						481.3 *
				Skullrockian		Varangu					Demingian †	482 *
						Pakerort					Demingian †	482.2 *
Cambrian	Furongian	Stage 10				Pakerort	Niuchehean	Taoyuanian †					Datsonian	Late Cambrian	Franconian †/Dresbachian/Millardan	Merioneth	Dolgellian/Trempealeauan	485.4
																		486.3 *
																		486.5
													Payntonian					486.8 *
																		Sunwaptan	487.5
																	Festiniogian		489.2 *
		Jiangshanian					Jiangshanian						Iverian						489.5
																		Steptoean	493 *
																	Maentwrogian		493.1 *
		Paibian					Paibian						Idamean						494
		Paibian					Paibian	Waergangian †/Youshuanian					Idamean						494.9 *
	Miaolingian	Guzhangian					Guzhangian	Wangcunian †					Mindyallan	Middle Cambrian	Marjumian	Albertian †	St Davids		497
		Guzhangian					Guzhangian						Boomerangian						499
		Drumian					Drumian						Undillan						500.5
		Drumian					Drumian						Floran						503
		Wuliuan					Wuliuan/Taijangian						Templetonian		Topazan				504.5
													Templetonian		Delamaran				506.5
													Ordian						507.8 *
	Series 2	Stage 4					Duyunian						Ordian	Early Cambrian		Waucoban †	Caerfai		509
																			510.8 *
															Dyeran				511 *
		Stage 3					Nangaoian								Dyeran				514
															Montezuman				514.8 *
															Begadean				519.9 *
	Terreneuvian	Stage 2					Meishucunian												521
		Fortunian					Meishucunian												529
		Fortunian					Jinnigian												530.7
																				538.8