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
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 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 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 Britain				Ordovician of North America						Ordovician of the Baltic			Cambrian of Australia	Cambrian of West Avalonia	Cambrian of North America
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	Ashgill	Hirnantian	Cincinnatian	Gamachian	Harju	Porkuni	443.8
		Katian		Rawtheyan		Gamachian		Pirgu	445.2
				Rawtheyan		Richmondian			446 *
				Cautleyan					448.9 *
				Pusgillian					449.3 *
			Caradoc	Streffordian				Onnian †	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						451.1 *
				Cheneyan								451.5 *
				Cheneyan					Oandu			452 *
				Burrellian					Oandu			452.7 *
		Sandbian							Keila		Idavere †	453
								Actonian †				453.2 *
						Turinian						453.7 *
									Haljala			453.9
								Marshbrookian †				Woolstonian †	454.2 *
								Longvillian †					455.2 *
									Kukruse				456.4 *
				Aurelucian									456.8 *
					Whiterockian					Canadian †			Chazyan †/Marmor	457 *
								Soudleyan †/Harnagian/Costonian						457.4 *
								Soudleyan †/Harnagian/Costonian	Uhaku		Aluoja †			457.5 *
	Middle Ordovician	Darriwilian	Llanvirn	Llandeilian/Llandeilo/Late Llandeilo/Middle Llandeilo/Early Llandeilo/Late Llanvirn					Uhaku					458.4
									Lasnamagi					458.9 *
									Aseri					460.4 *
				Abereiddian/Early Llanvirn					Aseri					461.3 *
							Oeland		Kunda					462.9 *
									Kunda		Valaste †/Hunderum			464.3 *
									Volkhov					Langevoja †/Vaana/Saka	467.1 *
		Dapingian													467.3
			Arenig	Fennian											468.4 *
						Rangerian									469.1 *
						Rangerian			Billingen						469.3 *
	Early Ordovician	Floian			Ibexian	Blackhillsian							Jeffersonian †		Cassinian †	470
											Latorp †					470.1 *
				Whitlandian												471.1 *
									Hunneberg							473.7 *
						Tulean										473.9 *
				Moridunian												474.3 *
		Tremadocian	Tremadoc	Migneintian												477.7
				Migneintian		Stairsian										480.3 *
				Cressagian												480.8 *
									Varangu							481.3 *
						Skullrockian			Varangu						Demingian †	482 *
									Pakerort							482.2 *
																485 *
Cambrian	Furongian	Stage 10								Niuchehean	Taoyuanian †						Datsonian	Franconian †/Dresbachian/Millardan	485.4
																			486.3 *
																			486.5
																	Payntonian		486.8 *
																	Payntonian		Sunwaptan	487.5
		Jiangshanian								Jiangshanian							Iverian		Sunwaptan	489.5
		Jiangshanian								Jiangshanian							Iverian		Steptoean	493 *
		Paibian								Paibian							Idamean			494
		Paibian								Paibian	Waergangian †/Youshuanian						Idamean			494.9 *
	Miaolingian	Guzhangian								Guzhangian	Wangcunian †						Mindyallan	Marjumian	Albertian †	497
																	Mindyallan			Arcadian	498.4
																	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		Branchian	Waucoban †	509
																					510.8 *
																		Dyeran			511 *
		Stage 3								Nangaoian								Dyeran			514
																		Montezuman			514.8 *
																		Montezuman	Placentian		517.1
																		Begadean			519.9 *
	Terreneuvian	Stage 2								Meishucunian											521
		Fortunian								Meishucunian											529
		Fortunian								Jinnigian											530.7
																						538.8