PBDB Timescale

Cambrian of Siberia

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
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
D. H. Erwin and S. A. Bowring. 2004. Cambrian time scale. view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view

There are 15 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 2287 collections

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International Chronostratigraphic Timescale			Cambrian of Siberia			Cambrian of Britain		Cambrian of China		Ordovician of Australia	Cambrian Epochs	Cambrian of North America
Ordovician	Late Ordovician	Hirnantian								Bolindian				443.8
		Katian								Bolindian				445.2
										Eastonian				449 *
										Gisbornian				452 *
		Sandbian								Gisbornian				453
	Middle Ordovician	Darriwilian								Darriwilian				458.4
		Dapingian								Yapeenian				467.3
		Dapingian								Castlemainian				468.5 *
	Early Ordovician	Floian								Chewtonian				470
										Bendigonian				471.8 *
										Lancefieldian				473.5 *
		Tremadocian								Lancefieldian				477.7
										Warendian				482.8 *
			Mansian †							Warendian				483.55 *
Cambrian	Furongian	Stage 10	Batyrbaian	Tavgian †	Ketyan †/Yurakian	Merioneth	Dolgellian/Trempealeauan	Niuchehean	Taoyuanian †		Late Cambrian		Franconian †/Dresbachian/Millardan	485.4
							Dolgellian/Trempealeauan					Sunwaptan		487.5
							Festiniogian							489.2 *
		Jiangshanian						Jiangshanian						489.5
			Aksaian											490.7 *
			Sakian											492.2 *
												Steptoean		493 *
							Maentwrogian							493.1 *
		Paibian						Paibian						494
					Ensyan †/Maduan/Nganasanian									494.7 *
					Ensyan †/Maduan/Nganasanian				Waergangian †/Youshuanian					494.9 *
	Miaolingian	Guzhangian	Ayusokkanian			St Davids		Guzhangian	Wangcunian †		Middle Cambrian	Marjumian	Albertian †	497
		Guzhangian	Mayan/Menevian					Guzhangian						499.5
		Drumian	Mayan/Menevian					Drumian						500.5
		Wuliuan	Amgan/Solvan					Wuliuan/Taijangian				Topazan		504.5
		Wuliuan						Wuliuan/Taijangian				Delamaran		506.5
	Series 2	Stage 4				Caerfai		Duyunian			Early Cambrian		Waucoban †	509
			Toyonian	Lenian †										510 *
			Toyonian									Dyeran		511 *
			Botomian											512.5 *
		Stage 3						Nangaoian						514
												Montezuman		514.8 *
			Atdabanian									Montezuman		515.6 *
			Atdabanian									Begadean		519.9 *
	Terreneuvian	Stage 2	Tommotian					Meishucunian						521
		Stage 2	Nemakit-Daldynian											525.5
		Fortunian		Manykaian †										529
		Fortunian		Manykaian †				Jinnigian						530.7
														538.8