PBDB Interval

421.3 - 419.2 Ma

The definition of this interval in the timescale Silurian of England 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 4 timescales which overlap this one. show

This interval is used in the definition of 12 collections

A total of 690 collections with 5027 occurrences lie within this time span

International Chronostratigraphic Timescale			Silurian of England		Silurian of the Baltic
Silurian	Pridoli		Red Downtonian/Temeside Shales/Downton Castle	Whitcliffe/Leintwardine	Ohesaare	419.2
				Bringewood/Elton	Ohesaare	421.3
				Bringewood/Elton	Kaugetuma	421.7 *
	Ludlow	Ludfordian	Coalbrookdale	Wenlock (England)/Tickwood	Kuressaare	423
		Ludfordian		Wenlock (England)/Tickwood	Paadla	423.4 *
		Gorstian				425.6
		Gorstian		Buildwas		426.4 *
	Wenlock	Homerian		Buildwas	Rootsikula	427.4
			Wych	Woolhope	Rootsikula	428.4 *
					Jaagarahu	429.2 *
		Sheinwoodian			Jaagarahu	430.5
		Sheinwoodian			Jaani	431.8 *
	Llandovery	Telychian			Jaani	433.4
					Adavere	434 *
						436.3 *
		Aeronian				438.5
			Cowleigh Park			439.3 *
					Raikkula	439.4 *
		Rhuddanian			Raikkula	440.8
		Rhuddanian			Juuru	441.4 *
						443.8