PBDB Interval

453.9 - 453 Ma

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

F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view

There are intervals in 7 timescales which overlap this one. show

This interval is used in the definition of 337 collections

A total of 222 collections with 720 occurrences lie within this time span

International Chronostratigraphic Timescale			Ordovician of the Baltic				Ordovician of North America
Ordovician	Late Ordovician	Hirnantian	Harju	Porkuni			Cincinnatian	Gamachian				443.8
		Katian		Pirgu				Gamachian				445.2
				Pirgu				Richmondian				446 *
				Vormsi				Richmondian				449.6 *
				Vormsi				Maysvillian	Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian			449.8 *
				Nabala	Johvi †			Maysvillian				450 *
				Nabala				Edenian				450.4 *
			Viru	Rakvere				Edenian				450.6 *
				Rakvere			Mohawkian	Chatfieldian				451.1 *
				Oandu								452 *
		Sandbian		Keila	Idavere †							453
				Keila				Turinian				453.7 *
				Haljala								453.9
				Kukruse								456.4 *
				Kukruse			Whiterockian		Canadian †	Chazyan †/Marmor		457 *
				Uhaku	Aluoja †							457.5 *
	Middle Ordovician	Darriwilian		Uhaku								458.4
				Lasnamagi								458.9 *
				Aseri								460.4 *
			Oeland	Kunda								462.9 *
				Kunda	Valaste †/Hunderum							464.3 *
				Volkhov		Langevoja †/Vaana/Saka						467.1 *
		Dapingian										467.3
								Rangerian				469.1 *
				Billingen				Rangerian				469.3 *
	Early Ordovician	Floian					Ibexian	Blackhillsian		Jeffersonian †	Cassinian †	470
					Latorp †							470.1 *
				Hunneberg								473.7 *
								Tulean				473.9 *
		Tremadocian						Tulean				477.7
								Stairsian				480.3 *
				Varangu				Stairsian				481.3 *
				Varangu				Skullrockian/Demingian				482 *
				Pakerort				Skullrockian/Demingian				482.2 *
												485.4 *
												486.3
												486.5
												487.5