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 1049 collections

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International Chronostratigraphic Timescale			Cambrian of China		Ordovician of Britain				Ordovician of North America						Cambrian of North America		Cambrian of Kazakhstan
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	443.8
		Katian		Rawtheyan		Gamachian	445.2
				Rawtheyan		Richmondian	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
				Whitlandian		Blackhillsian						471.1 *
				Whitlandian		Tulean						473.9 *
				Moridunian								474.3 *
		Tremadocian	Tremadoc	Migneintian								Ungurian	477.7
				Migneintian		Stairsian							480.3 *
				Cressagian		Stairsian							480.8 *
				Cressagian		Skullrockian					Demingian †		482 *
											Demingian †		485 *
Cambrian	Furongian	Stage 10						Niuchehean		Taoyuanian †				Franconian †/Dresbachian/Millardan	Batyrbaian	485.4
		Stage 10						Niuchehean								Sunwaptan	487.5
		Jiangshanian						Jiangshanian									489.5
															Aksaian		490.7 *
															Sakian		492.2 *
																Steptoean	493 *
		Paibian						Paibian									494
		Paibian						Paibian		Waergangian †/Youshuanian							494.9 *
	Miaolingian	Guzhangian						Guzhangian		Wangcunian †				Marjumian	Albertian †	Ayusokkanian	497
		Guzhangian						Guzhangian									499.5
		Drumian						Drumian								Zhanaarykian	500.5
		Drumian						Drumian								Tuesaian	503
		Wuliuan						Wuliuan/Taijangian						Topazan		Tuesaian	504.5
														Topazan			505.3
														Delamaran			506.5
	Series 2	Stage 4						Duyunian							Waucoban †		509
																Toyonian	510 *
														Dyeran		Toyonian	511 *
																Botomian	512.5 *
		Stage 3						Nangaoian									514
														Montezuman			514.8 *
														Montezuman		Atdabanian	515.6 *
														Begadean		Atdabanian	519.9 *
	Terreneuvian	Stage 2						Meishucunian								Tommotian	521
		Stage 2															525.5
		Fortunian															529
		Fortunian						Jinnigian									530.7
																		538.8