PBDB Timescale

Ordovician of Ibero-Bohemia

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
M. Kretzoi. 1942. Necroteuthis n. g. (Ceph. Dibr., Necroteuthidae N. F.) aus dem Oligozän von Budapest und das system der Dibranchiata. Földtani Közlöny 72:125-238 view

There are 9 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 532 collections

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International Chronostratigraphic Timescale			Ordovician of Ibero-Bohemia				Ordovician of the Baltic				Ten Million Year Bins	Ordovician of North America						Cambrian of Kazakhstan
Quaternary	Holocene	Meghalayan									Cenozoic 6								0
		Northgrippian																	0.0042
		Greenlandian																	0.0082
	Pleistocene	Late Pleistocene																	0.0117
		Chibanian																	0.129
		Calabrian																	0.774
		Gelasian																	1.8
Neogene	Pliocene	Piacenzian																	2.58
	Pliocene	Zanclean																	3.6
	Miocene	Messinian																	5.333
		Tortonian																	7.246
		Serravallian									Cenozoic 5								11.63
		Langhian																	13.82
		Burdigalian																	15.98
		Aquitanian																	20.44
Paleogene	Oligocene	Chattian									Cenozoic 4								23.03
	Oligocene	Rupelian									Cenozoic 4								27.82
	Eocene	Priabonian									Cenozoic 3								33.9
		Bartonian									Cenozoic 3								37.71
		Lutetian									Cenozoic 2								41.2
		Ypresian									Cenozoic 2								47.8
	Paleocene	Thanetian									Cenozoic 1								56
		Selandian																	59.2
		Danian																	61.6
Cretaceous	Late Cretaceous	Maastrichtian									Cretaceous 8								66
		Campanian									Cretaceous 7								72.1
		Santonian									Cretaceous 6								83.6
		Coniacian																	86.3
		Turonian																	89.8
		Cenomanian									Cretaceous 5								93.9
	Early Cretaceous	Albian									Cretaceous 4								100.5
		Aptian									Cretaceous 3								113
		Barremian									Cretaceous 2								121.4
		Hauterivian									Cretaceous 2								125.77
		Valanginian									Cretaceous 1								132.6
		Berriasian									Cretaceous 1								139.8
Jurassic	Late Jurassic	Tithonian									Jurassic 6								145
		Kimmeridgian									Jurassic 5								149.2
		Oxfordian																	154.8
	Middle Jurassic	Callovian																	161.5
		Bathonian									Jurassic 4								165.3
		Bajocian									Jurassic 4								168.2
		Aalenian									Jurassic 3								170.9
	Early Jurassic	Toarcian									Jurassic 3								174.7
		Pliensbachian									Jurassic 2								184.2
		Sinemurian									Jurassic 1								192.9
		Hettangian									Jurassic 1								199.5
Triassic	Late Triassic	Rhaetian									Triassic 4								201.4
		Norian									Triassic 4								208.5
		Carnian									Triassic 3								227
	Middle Triassic	Ladinian									Triassic 2								237
	Middle Triassic	Anisian									Triassic 2								242
	Early Triassic	Olenekian									Triassic 1								247.2
	Early Triassic	Induan									Triassic 1								251.2
Permian	Lopingian	Changhsingian									Permian 4								251.902
	Lopingian	Wuchiapingian																	254.14
	Guadalupian	Capitanian																	259.51
		Wordian																	264.28
		Roadian									Permian 3								266.9
	Cisuralian	Kungurian									Permian 2								273.01
		Artinskian																	283.5
		Sakmarian																	290.1
		Asselian									Permian 1								293.52
Carboniferous	Pennsylvanian	Gzhelian									Carboniferous 5								298.9
		Kasimovian	303.7								Carboniferous 5
		Moscovian	Carboniferous 4	307
		Bashkirian	Carboniferous 4	315.2
	Mississippian	Serpukhovian	Carboniferous 3	323.2
		Visean	Carboniferous 2	330.9
		Tournaisian	Carboniferous 1	346.7
Devonian	Late Devonian	Famennian	Devonian 5	358.9
	Late Devonian	Frasnian	Devonian 4	372.2
	Middle Devonian	Givetian	Devonian 3	382.7
	Middle Devonian	Eifelian	Devonian 3	387.7
	Early Devonian	Emsian	Devonian 2	393.3
		Pragian	Devonian 1	407.6
		Lochkovian	Devonian 1	410.8
Silurian	Pridoli		Silurian 2	419.2
	Ludlow	Ludfordian		423
	Ludlow	Gorstian		425.6
	Wenlock	Homerian		427.4
	Wenlock	Sheinwoodian		430.5
	Llandovery	Telychian	Silurian 1	433.4
		Aeronian		438.5
		Rhuddanian		440.8
Ordovician	Late Ordovician	Hirnantian	Kosovian	Harju	Porkuni	Ordovician 5	Cincinnatian	Gamachian	443.8
		Katian	Kralodvorian		Bohdalec †			Gamachian	Pirgu	445.2
								Richmondian	Pirgu	446 *
									Vormsi	449.6 *
			Berounian							449.7 *
								Maysvillian		Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
								Maysvillian	Nabala		Johvi †	450 *
								Edenian	Nabala			450.4 *
				Viru				Edenian	Rakvere			450.6 *
							Mohawkian	Chatfieldian	Rakvere			451.1 *
									Oandu			452 *
		Sandbian				Keila			Idavere †		Ordovician 4	453
						Keila		Turinian				453.7 *
						Haljala						453.9
						Haljala						Zahorany †/Vinice	Letna †	456.2 *
						Kukruse								456.4 *
						Kukruse	Whiterockian			Canadian †				Chazyan †/Marmor	457 *
						Uhaku			Aluoja †						457.5 *
					Liben †										458 *
	Middle Ordovician	Darriwilian									Ordovician 3				458.4
			Dobrotivian												458.5 *
			Dobrotivian			Lasnamagi									458.9 *
			Oretanian			Lasnamagi									459.7 *
						Aseri									460.4 *
					Sarka †	Aseri									461.7 *
				Oeland		Kunda									462.9 *
						Kunda			Valaste †/Hunderum						464.3 *
						Volkhov									Langevoja †/Vaana/Saka	467.1 *
		Dapingian			Klabava †						Ordovician 2					467.3
			Arenigian													468
								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	Tremadocian					Tulean			Ordovician 1						Ungurian	477.7
								Stairsian										480.3 *
						Varangu		Stairsian										481.3 *
						Varangu		Skullrockian								Demingian †		482 *
						Pakerort										Demingian †		482.2 *
Cambrian	Furongian	Stage 10				Pakerort				Cambrian 5							Batyrbaian	485.4
																		486.3 *
																		486.5
																		487.5
		Jiangshanian																489.5
																	Aksaian	490.7 *
																	Sakian	492.2 *
		Paibian															Sakian	494
	Miaolingian	Guzhangian								Cambrian 4							Ayusokkanian	497
		Guzhangian																499.5
		Drumian															Zhanaarykian	500.5
		Drumian															Tuesaian	503
		Wuliuan								Cambrian 3							Tuesaian	504.5
		Wuliuan																505.3
	Series 2	Stage 4																509
																	Toyonian	510 *
																	Botomian	512.5 *
		Stage 3								Cambrian 2							Botomian	514
		Stage 3															Atdabanian	515.6 *
	Terreneuvian	Stage 2															Tommotian	521
		Stage 2																525.5
		Fortunian								Cambrian 1								529
																			538.8