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, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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			Ten Million Year Bins	Permian-Jurassic of New Zealand		Carboniferous Subepochs	Permian of the Russian Platform		Cretaceous-Cenozoic of New Zealand		Permian of the Salt Range
Quaternary	Holocene	Meghalayan				Cenozoic 6						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				Cenozoic 5							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				Cenozoic 4							Waitakian		23.03
													Duntroonian		25.2
													Whaingaroan		27.3
		Rupelian													27.82
	Eocene	Priabonian				Cenozoic 3									33.9
												Arnold	Runangan		34.6
													Kaiatan		36.7
		Bartonian											Kaiatan		37.71
		Bartonian											Bortonian		39.1
		Lutetian				Cenozoic 2							Bortonian		41.2
												Dannevirke	Porangan		42.6
													Heretaungan		45.7
		Ypresian											Heretaungan		47.8
													Mangaorapan		48.9
													Waipawan		52
	Paleocene	Thanetian				Cenozoic 1							Teurian		56
		Selandian													59.2
		Danian													61.6
Cretaceous	Late Cretaceous	Maastrichtian				Cretaceous 8						Mata	Haumurian		66
		Campanian				Cretaceous 7							Haumurian		72.1
		Santonian				Cretaceous 6							Piripauan		83.6
		Santonian										Raukumara	Teratan		86.1
		Coniacian													86.3
		Turonian													89.8
													Mangaotanean		90.5
													Arowhanan		93.7
		Cenomanian				Cretaceous 5							Arowhanan		93.9
												Clarence	Ngaterian		95.2
													Motuan		99.5
	Early Cretaceous	Albian				Cretaceous 4							Motuan		100.5
													Urutawan		103.3
												Taitai	Korangan		108.4
		Aptian				Cretaceous 3							Korangan		113
		Aptian				Cretaceous 3									117.5
		Barremian				Cretaceous 2									121.4
		Hauterivian				Cretaceous 2									125.77
		Valanginian				Cretaceous 1									132.6
		Berriasian		139.8		Cretaceous 1
Jurassic	Late Jurassic	Tithonian		Jurassic 6	Oteke	Puaroan		145
		Kimmeridgian		Jurassic 5	Oteke	Puaroan		149.2
					Kawhia	Ohauan		150
						Heterian		154.5
		Oxfordian						154.8
	Middle Jurassic	Callovian						161.5
		Callovian				Temaikan		164.3
		Bathonian		Jurassic 4				165.3
		Bajocian		Jurassic 4				168.2
		Aalenian		Jurassic 3				170.9
	Early Jurassic	Toarcian						174.7
		Toarcian			Herangi	Ururoan		176
		Pliensbachian		Jurassic 2		Ururoan		184.2
		Pliensbachian		Jurassic 2		Aratauran		188.9
		Sinemurian		Jurassic 1				192.9
		Hettangian		Jurassic 1				199.5
Triassic	Late Triassic	Rhaetian		Triassic 4	Balfour	Otapirian		201.4
		Norian				Warepan		208.5
						Otamitan		217
						Oretian		221
		Carnian		Triassic 3		Oretian		227
		Carnian		Triassic 3	Gore	Kaihikuan		227.5
	Middle Triassic	Ladinian		Triassic 2		Kaihikuan		237
		Ladinian				Etalian		238
		Anisian				Etalian		242
		Anisian				Malakovian		246
	Early Triassic	Olenekian		Triassic 1		Malakovian		247.2
		Olenekian				Nelsonian		249
		Induan				Nelsonian		251.2
		Induan			DUrville	Makarewan		Kathwai	251.5 *
Permian	Lopingian	Changhsingian		Permian 4				Kathwai	251.902
									252.4 *
								Chhidru	252.9 *
						Waiitian			253.2
		Wuchiapingian				Waiitian			Longtanian †	254.14
						Puruhauan				254.2
								Kalabagh		255 *
								Wargal		256 *
										Tatarian	Vyatkian	256.8 *
	Guadalupian	Capitanian				Aparima			Flettian		Severodvinian	259.51
		Wordian									Urzhumian	264.28
												265.3 *
									Barettian			266
								Amb				266.1 *
		Roadian	Permian 3	Kazanian				Amb		Povolzhian	266.9
		Roadian	Permian 3	Kazanian				Sokian			270.7 *
	Cisuralian	Kungurian	Permian 2	Kungurian				Irenian/Ufimian			273.01
								Irenian/Ufimian	Mangapirian		276
								Filipovian			276.5 *
								Saraninian			280.1 *
		Artinskian		Artinskian				Sarginian			283.5
								Sarginian	Telfordian		285
								Irginian			285.9 *
								Burtsevian			287.8 *
								Burtsevian			288.5
		Sakmarian		Sakmarian				Sterlitamakian			290.1
		Sakmarian		Sakmarian				Tastubian			291.7 *
		Asselian	Permian 1	Asselian				Shikhanian			293.52
								Uskalykian			294.8
								Surenian			297.5
Carboniferous	Pennsylvanian	Gzhelian	Carboniferous 5	Late Pennsylvanian								Mapingian †	298.9
		Kasimovian										Mapingian †	303.7
		Kasimovian											305.9
		Moscovian	Carboniferous 4	Middle Pennsylvanian									307
		Bashkirian	Carboniferous 4	Early Pennsylvanian			315.2
	Mississippian	Serpukhovian	Carboniferous 3	Late Mississippian			323.2
		Visean	Carboniferous 2	Middle Mississippian			330.9
		Tournaisian	Carboniferous 1	Early Mississippian			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	Ordovician 5				443.8
		Katian	Ordovician 5				445.2
		Sandbian	Ordovician 4				453
	Middle Ordovician	Darriwilian	Ordovician 3				458.4
	Middle Ordovician	Dapingian	Ordovician 2				467.3
	Early Ordovician	Floian	Ordovician 2				470
	Early Ordovician	Tremadocian	Ordovician 1				477.7
Cambrian	Furongian	Stage 10	Cambrian 5				Late Cambrian						485.4
		Jiangshanian											489.5
		Paibian											494
	Miaolingian	Guzhangian	Series 3 †				Cambrian 4						Middle Cambrian	497
		Drumian					Cambrian 4							500.5
		Wuliuan			Stage 5 †		Cambrian 3							504.5
	Series 2	Stage 4					Cambrian 3						Early Cambrian	509
	Series 2	Stage 3					Cambrian 2							514
	Terreneuvian	Stage 2					Cambrian 2							521
	Terreneuvian	Fortunian					Cambrian 1							529
															538.8