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
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 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 2283 collections

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International Chronostratigraphic Timescale			Cambrian of Siberia			Ordovician of the Baltic				Ordovician of Ibero-Bohemia				Cambrian of Australia
Ordovician	Late Ordovician	Hirnantian				Harju	Porkuni			Kosovian					443.8
		Katian					Pirgu			Kralodvorian	Bohdalec †				445.2
							Vormsi			Kralodvorian					449.6 *
							Vormsi			Berounian					449.7 *
							Nabala	Johvi †							450 *
						Viru	Rakvere								450.6 *
							Oandu								452 *
		Sandbian					Keila	Idavere †							453
							Haljala								453.9
							Haljala					Zahorany †/Vinice	Letna †		456.2 *
							Kukruse								456.4 *
							Uhaku	Aluoja †							457.5 *
											Liben †				458 *
	Middle Ordovician	Darriwilian													458.4
										Dobrotivian					458.5 *
							Lasnamagi			Dobrotivian					458.9 *
							Lasnamagi			Oretanian					459.7 *
							Aseri								460.4 *
							Aseri				Sarka †				461.7 *
						Oeland	Kunda								462.9 *
							Kunda	Valaste †/Hunderum							464.3 *
							Volkhov		Langevoja †/Vaana/Saka						467.1 *
		Dapingian									Klabava †				467.3
										Arenigian					468
							Billingen								469.3 *
	Early Ordovician	Floian													470
								Latorp †							470.1 *
							Hunneberg								473.7 *
		Tremadocian					Hunneberg			Tremadocian					477.7
							Varangu								481.3 *
							Pakerort								482.2 *
			Mansian †												483.55 *
Cambrian	Furongian	Stage 10	Batyrbaian	Tavgian †	Ketyan †/Yurakian									Datsonian	485.4
															486.3 *
															486.5
														Payntonian	486.8 *
		Jiangshanian												Iverian	489.5
			Aksaian												490.7 *
			Sakian												492.2 *
		Paibian												Idamean	494
		Paibian			Ensyan †/Maduan/Nganasanian									Idamean	494.7 *
	Miaolingian	Guzhangian	Ayusokkanian											Mindyallan	497
			Ayusokkanian											Boomerangian	499
			Mayan/Menevian											Boomerangian	499.5
		Drumian												Undillan	500.5
		Drumian												Floran	503
		Wuliuan	Amgan/Solvan											Templetonian	504.5
		Wuliuan												Ordian	507.8 *
	Series 2	Stage 4													509
			Toyonian	Lenian †											510 *
			Toyonian												510.8 *
			Botomian												512.5 *
		Stage 3	Botomian												514
		Stage 3	Atdabanian												515.6 *
	Terreneuvian	Stage 2	Tommotian												521
		Stage 2	Nemakit-Daldynian												525.5
		Fortunian	Nemakit-Daldynian	Manykaian †											529
															538.8