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

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					Cambrian of Australia
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					477.7
						Stairsian					480.3 *
						Skullrockian			Demingian †		482 *
Cambrian	Furongian	Stage 10	Niuchehean	Taoyuanian †						Datsonian	485.4
										Payntonian	486.8 *
										Payntonian	487.5
		Jiangshanian	Jiangshanian							Iverian	489.5
		Paibian	Paibian							Idamean	494
		Paibian	Paibian	Waergangian †/Youshuanian						Idamean	494.9 *
	Miaolingian	Guzhangian	Guzhangian	Wangcunian †						Mindyallan	497
		Guzhangian	Guzhangian							Boomerangian	499
		Drumian	Drumian							Undillan	500.5
		Drumian	Drumian							Floran	503
		Wuliuan	Wuliuan/Taijangian							Templetonian	504.5
		Wuliuan	Wuliuan/Taijangian							Ordian	507.8 *
	Series 2	Stage 4	Duyunian							Ordian	509
		Stage 4	Duyunian								510.8 *
		Stage 3	Nangaoian								514
	Terreneuvian	Stage 2	Meishucunian								521
		Fortunian	Meishucunian								529
		Fortunian	Jinnigian								530.7
											538.8