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
D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. 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		Ordovician of North America						Obsolete Names for ICS Units			Cambrian of Britain		Cambrian of Siberia
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	443.8
		Katian		Gamachian	445.2
				Richmondian	446 *
				Maysvillian	Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
				Edenian		450.4 *
			Mohawkian	Chatfieldian		451.1 *
		Sandbian		Chatfieldian		453
				Turinian		453.7 *
			Whiterockian		Canadian †	Chazyan †/Marmor	457 *
	Middle Ordovician	Darriwilian					458.4
		Dapingian					467.3
		Dapingian		Rangerian			469.1 *
	Early Ordovician	Floian	Ibexian	Blackhillsian		Jeffersonian †	Cassinian †	470
		Floian		Tulean				473.9 *
		Tremadocian		Tulean				Ungurian	477.7
				Stairsian					480.3 *
				Skullrockian			Demingian †		482 *
							Demingian †		Mansian †	483.55 *
Cambrian	Furongian	Stage 10			Niuchehean	Taoyuanian †				Merioneth	Dolgellian/Trempealeauan		Batyrbaian	Tavgian †	Ketyan †/Yurakian	Batyrbaian	485.4
											Dolgellian/Trempealeauan						487.5
											Festiniogian						489.2 *
		Jiangshanian			Jiangshanian												489.5
													Aksaian			Aksaian	490.7 *
													Sakian			Sakian	492.2 *
											Maentwrogian						493.1 *
		Paibian			Paibian												494
															Ensyan †/Maduan/Nganasanian		494.7 *
						Waergangian †/Youshuanian									Ensyan †/Maduan/Nganasanian		494.9 *
	Miaolingian	Guzhangian			Guzhangian	Wangcunian †				Series 3 †	St Davids			Ayusokkanian			Ayusokkanian	497
		Guzhangian			Guzhangian									Mayan/Menevian				499.5
		Drumian			Drumian												Zhanaarykian	500.5
		Drumian			Drumian												Tuesaian	503
		Wuliuan			Wuliuan/Taijangian							Stage 5 †		Amgan/Solvan			Tuesaian	504.5
		Wuliuan			Wuliuan/Taijangian							Stage 5 †						505.3
	Series 2	Stage 4			Duyunian							Caerfai						509
														Toyonian	Lenian †		Toyonian	510 *
														Botomian			Botomian	512.5 *
		Stage 3			Nangaoian									Botomian			Botomian	514
		Stage 3			Nangaoian									Atdabanian			Atdabanian	515.6 *
	Terreneuvian	Stage 2			Meishucunian									Tommotian			Tommotian	521
		Stage 2												Nemakit-Daldynian				525.5
		Fortunian													Manykaian †			529
		Fortunian			Jinnigian										Manykaian †			530.7
																			538.8