PBDB Timescale

Ordovician of the Baltic

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

There are 14 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 3244 collections

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International Chronostratigraphic Timescale			Ordovician of the Baltic				Ordovician of Ibero-Bohemia				Cambrian of Kazakhstan	Ordovician of Britain
Ordovician	Late Ordovician	Hirnantian	Harju	Porkuni			Kosovian					Ashgill	Hirnantian			443.8
		Katian		Pirgu			Kralodvorian	Bohdalec †					Rawtheyan			445.2
													Cautleyan			448.9 *
													Pusgillian			449.3 *
				Vormsi								Caradoc	Streffordian	Onnian †		449.6 *
				Vormsi			Berounian									449.7 *
				Nabala	Johvi †											450 *
			Viru	Rakvere												450.6 *
				Rakvere									Cheneyan			451.5 *
				Oandu									Cheneyan			452 *
				Oandu									Burrellian			452.7 *
		Sandbian		Keila	Idavere †											453
				Keila										Actonian †		453.2 *
				Haljala										Actonian †		453.9
														Marshbrookian †	Woolstonian †	454.2 *
														Longvillian †		455.2 *
									Zahorany †/Vinice	Letna †						456.2 *
				Kukruse												456.4 *
													Aurelucian			456.8 *
														Soudleyan †/Harnagian/Costonian		457.4 *
				Uhaku	Aluoja †											457.5 *
								Liben †								458 *
	Middle Ordovician	Darriwilian										Llanvirn	Llandeilian/Llandeilo/Late Llandeilo/Middle Llandeilo/Early Llandeilo/Late Llanvirn			458.4
							Dobrotivian									458.5 *
				Lasnamagi			Dobrotivian									458.9 *
				Lasnamagi			Oretanian									459.7 *
				Aseri												460.4 *
													Abereiddian/Early Llanvirn			461.3 *
								Sarka †								461.7 *
			Oeland	Kunda												462.9 *
				Kunda	Valaste †/Hunderum											464.3 *
				Volkhov		Langevoja †/Vaana/Saka										467.1 *
		Dapingian						Klabava †								467.3
							Arenigian									468
												Arenig	Fennian			468.4 *
				Billingen												469.3 *
	Early Ordovician	Floian														470
					Latorp †											470.1 *
													Whitlandian			471.1 *
				Hunneberg									Whitlandian			473.7 *
													Moridunian			474.3 *
		Tremadocian					Tremadocian				Ungurian	Tremadoc	Migneintian			477.7
													Cressagian			480.8 *
				Varangu												481.3 *
				Pakerort												482.2 *
																485 *
Cambrian	Furongian	Stage 10									Batyrbaian					485.4
																486.3 *
																486.5
		Jiangshanian														489.5
											Aksaian					490.7 *
											Sakian					492.2 *
		Paibian									Sakian					494
	Miaolingian	Guzhangian									Ayusokkanian					497
		Guzhangian														499.5
		Drumian									Zhanaarykian					500.5
		Drumian									Tuesaian					503
		Wuliuan									Tuesaian					504.5
		Wuliuan														505.3
	Series 2	Stage 4														509
											Toyonian					510 *
											Botomian					512.5 *
		Stage 3									Botomian					514
		Stage 3									Atdabanian					515.6 *
	Terreneuvian	Stage 2									Tommotian					521
																525.5