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
K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. 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 the Baltic				Ordovician of North America						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	Harju	Porkuni	Cincinnatian	Gamachian	Ashgill	Hirnantian	443.8
		Katian		Pirgu		Gamachian		Rawtheyan	445.2
						Richmondian		Rawtheyan	446 *
								Cautleyan	448.9 *
								Pusgillian	449.3 *
				Vormsi			Caradoc	Streffordian	Onnian †	449.6 *
				Vormsi		Maysvillian				Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
				Nabala		Maysvillian					Johvi †	450 *
				Nabala		Edenian						450.4 *
			Viru	Rakvere		Edenian						450.6 *
					Mohawkian	Chatfieldian						451.1 *
								Cheneyan				451.5 *
				Oandu				Cheneyan				452 *
				Oandu				Burrellian				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 *
				Uhaku					Soudleyan †/Harnagian/Costonian		Aluoja †			457.5 *
	Middle Ordovician	Darriwilian		Uhaku			Llanvirn	Llandeilian/Llandeilo/Late Llandeilo/Middle Llandeilo/Early Llandeilo/Late Llanvirn						458.4
				Lasnamagi										458.9 *
				Aseri										460.4 *
				Aseri				Abereiddian/Early Llanvirn						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 *
				Billingen		Rangerian									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
						Stairsian		Migneintian								480.3 *
								Cressagian								480.8 *
				Varangu												481.3 *
				Varangu		Skullrockian									Demingian †	482 *
				Pakerort												482.2 *
																485 *
Cambrian	Furongian	Stage 10								Niuchehean	Taoyuanian †						485.4
																	486.3 *
																	486.5
																	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