PBDB Interval

452.8 - 449.9 Ma

The definition of this interval in the timescale Ordovician of the Baltic is taken from the following source:

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 intervals in 7 timescales which overlap this one. show

This interval is no longer in current use

This interval is used in the definition of 128 collections

A total of 1790 collections with 13861 occurrences lie within this time span

International Chronostratigraphic Timescale			Ordovician of the Baltic
Ordovician	Late Ordovician	Hirnantian	Harju	Porkuni			443.1
		Katian		Pirgu			445.2
				Vormsi			449.5
				Nabala	Johvi †		449.9
			Viru	Rakvere			450.5
				Oandu			451.8
		Sandbian		Keila	Idavere †		452.8
				Haljala			453.9
				Kukruse			456.8
				Uhaku	Aluoja †		458
	Middle Ordovician	Darriwilian		Uhaku			458.2
				Lasnamagi			459.7
				Aseri			461.4
			Oeland	Kunda			464.3
				Kunda	Valaste †/Hunderum		465.9 *
				Volkhov		Langevoja †/Vaana/Saka	469.1 *
		Dapingian		Volkhov			469.4
	Early Ordovician	Floian		Billingen			471.3 *
				Billingen	Latorp †		472.1 *
				Hunneberg			475.6 *
		Tremadocian		Hunneberg			477.1
				Varangu			482.9 *
				Pakerort			483.8 *
				Pakerort			486.4 *
							486.85