PBDB Timescale

Obsolete Names for ICS Units

The interval definitions in this timescale are derived from the following sources:

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
K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
J. I. Raine, A. G. Beu, A. F. Boyes, H. J. Campbell, R. A. Cooper, J. S. Crampton, M. P. Crundwell, C. J. Hollis, and H. E. G. Morgans. 2015. Revised Calibration of the New Zealand Geological Timescale: NZGT2015/1. GNS Science Report 2012(39) view
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 view

There are 55 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 92 collections

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International Chronostratigraphic Timescale			Obsolete Names for ICS Units			Cretaceous-Cenozoic of New Zealand		Ordovician of North America						Devonian of Czechoslovakia	Ordovician of Australia	Ordovician of the Baltic
Quaternary	Holocene	Meghalayan				Wanganui	Haweran										0
		Northgrippian															0.0042
		Greenlandian															0.0082
	Pleistocene	Late Pleistocene															0.0117
		Chibanian															0.129
		Chibanian					Castlecliffian										0.34
		Calabrian					Castlecliffian										0.774
		Calabrian					Nukumaruan										1.63
		Gelasian					Nukumaruan										1.8
		Gelasian					Mangapanian										2.4
Neogene	Pliocene	Piacenzian	Tertiary †				Mangapanian										2.58
		Piacenzian					Waipipian										3
		Zanclean					Waipipian										3.6
		Zanclean					Opoitian										3.7
	Miocene	Messinian				Taranaki	Kapitean										5.333
		Messinian					Tongaporutuan										7.2
		Tortonian					Tongaporutuan										7.246
		Tortonian				Southland	Waiauan										11.04
		Serravallian					Waiauan										11.63
		Serravallian					Lillburnian										13.05
		Langhian					Lillburnian										13.82
							Clifdenian										15.1
						Pareora	Altonian										15.9
		Burdigalian					Altonian										15.98
		Burdigalian					Otaian										18.7
		Aquitanian					Otaian										20.44
		Aquitanian				Landon	Waitakian										21.7
Paleogene	Oligocene	Chattian					Waitakian										23.03
							Duntroonian										25.2
							Whaingaroan										27.3
		Rupelian															27.82
	Eocene	Priabonian															33.9
						Arnold	Runangan										34.6
							Kaiatan										36.7
		Bartonian					Kaiatan										37.71
		Bartonian					Bortonian										39.1
		Lutetian					Bortonian										41.2
						Dannevirke	Porangan										42.6
							Heretaungan										45.7
		Ypresian					Heretaungan										47.8
							Mangaorapan										48.9
							Waipawan										52
	Paleocene	Thanetian					Teurian										56
		Selandian															59.2
		Danian															61.6
Cretaceous	Late Cretaceous	Maastrichtian				Mata	Haumurian										66
		Campanian					Haumurian										72.1
		Santonian					Piripauan										83.6
		Santonian				Raukumara	Teratan										86.1
		Coniacian															86.3
		Turonian															89.8
							Mangaotanean										90.5
							Arowhanan										93.7
		Cenomanian					Arowhanan										93.9
						Clarence	Ngaterian										95.2
							Motuan										99.5
	Early Cretaceous	Albian					Motuan										100.5
							Urutawan										103.3
						Taitai	Korangan										108.4
		Aptian					Korangan										113
		Aptian															117.5
		Barremian															121.4
		Hauterivian															125.77
		Valanginian															132.6
		Berriasian		139.8
Jurassic	Late Jurassic	Tithonian			145
		Kimmeridgian			149.2
		Oxfordian			154.8
	Middle Jurassic	Callovian			161.5
		Bathonian			165.3
		Bajocian			168.2
		Aalenian			170.9
	Early Jurassic	Toarcian			174.7
		Pliensbachian			184.2
		Sinemurian			192.9
		Hettangian			199.5
Triassic	Late Triassic	Rhaetian			201.4
		Norian			208.5
		Carnian			227
	Middle Triassic	Ladinian			237
	Middle Triassic	Anisian			242
	Early Triassic	Olenekian			247.2
	Early Triassic	Induan			251.2
Permian	Lopingian	Changhsingian			251.902
	Lopingian	Wuchiapingian			Longtanian †	254.14
	Guadalupian	Capitanian				259.51
		Wordian				264.28
		Roadian				266.9
	Cisuralian	Kungurian				273.01
		Artinskian				283.5
		Sakmarian				290.1
		Asselian				293.52
Carboniferous	Pennsylvanian	Gzhelian				298.9
		Kasimovian				303.7
		Moscovian				307
		Bashkirian				315.2
	Mississippian	Serpukhovian				323.2
		Visean				330.9
		Tournaisian				346.7
Devonian	Late Devonian	Famennian				358.9
	Late Devonian	Frasnian				372.2
	Middle Devonian	Givetian				Srbsko		382.7
	Middle Devonian	Eifelian				Chotec		387.7
	Early Devonian	Emsian				Daleje/Zlichovian		393.3
		Pragian				Pragian		407.6
		Lochkovian				Lochkovian		410.8
Silurian	Pridoli							419.2
	Ludlow	Ludfordian						423
	Ludlow	Gorstian						425.6
	Wenlock	Homerian	427.4
	Wenlock	Sheinwoodian	430.5
	Llandovery	Telychian	433.4
		Aeronian	438.5
		Rhuddanian	440.8
Ordovician	Late Ordovician	Hirnantian	Cincinnatian					Gamachian	Bolindian	Harju	Porkuni	443.8
		Katian						Gamachian			Pirgu	445.2
								Richmondian				446 *
									Eastonian			449 *
											Vormsi	449.6 *
								Maysvillian			Vormsi	Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
								Maysvillian			Nabala		Johvi †	450 *
								Edenian			Nabala			450.4 *
								Edenian		Viru	Rakvere			450.6 *
			Mohawkian					Chatfieldian			Rakvere			451.1 *
							Gisbornian		Oandu		452 *
		Sandbian							Keila		Idavere †		453
								Turinian	Keila				453.7 *
									Haljala				453.9
									Kukruse				456.4 *
			Whiterockian					Canadian †	Kukruse			Chazyan †/Marmor	457 *
									Uhaku		Aluoja †		457.5 *
	Middle Ordovician	Darriwilian					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					Yapeenian							467.3
							Castlemainian							468.5 *
				Rangerian										469.1 *
				Rangerian						Billingen				469.3 *
	Early Ordovician	Floian	Ibexian	Blackhillsian			Jeffersonian †					Cassinian †		Chewtonian	470
											Latorp †			Chewtonian	470.1 *
														Bendigonian	471.8 *
														Lancefieldian	473.5 *
										Hunneberg					473.7 *
				Tulean											473.9 *
		Tremadocian		Tulean											477.7
				Stairsian											480.3 *
				Stairsian	Varangu					481.3 *
				Skullrockian	Varangu					Demingian †		482 *
					Pakerort							482.2 *
												Warendian		482.8 *
Cambrian	Furongian	Stage 10												485.4
														486.3 *
														486.5
														487.5
		Jiangshanian												489.5
		Paibian												494
	Miaolingian	Guzhangian												Series 3 †	497
		Drumian													500.5
		Wuliuan													Stage 5 †	504.5
																	509