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
Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 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		Carboniferous of North America	Neogene Mammal Ages of China
Quaternary	Holocene	Meghalayan				Wanganui	Haweran			0
		Northgrippian								0.0042
		Greenlandian								0.0082
	Pleistocene	Late Pleistocene							Nihewanian	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		Yushean	2.58
		Piacenzian					Waipipian			3
		Zanclean					Waipipian			3.6
							Opoitian			3.7
							Opoitian		Baodean	4.9
	Miocene	Messinian				Taranaki	Kapitean			5.333
		Messinian					Tongaporutuan			7.2
		Tortonian					Tongaporutuan			7.246
						Southland	Waiauan			11.04
									Tunggurian	11.1
		Serravallian								11.63
		Serravallian					Lillburnian			13.05
		Langhian					Lillburnian		Shanwangian	13.82
							Clifdenian			15.1
						Pareora	Altonian			15.9
		Burdigalian								15.98
									Xiejiaan	16.9
							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
		Induan			251.2
		Induan			Kathwai	251.5 *
Permian	Lopingian	Changhsingian			Kathwai	251.902
						252.4 *
					Chhidru	252.9 *
		Wuchiapingian			Chhidru	Longtanian †		254.14
					Kalabagh			255 *
					Wargal			256 *
	Guadalupian	Capitanian						259.51
		Wordian						264.28
								265.3 *
					Amb			266.1 *
		Roadian			Amb			266.9
		Roadian						270.7 *
	Cisuralian	Kungurian						273.01
		Artinskian						283.5
		Sakmarian						290.1
		Asselian						Bursumian †	293.52
Carboniferous	Pennsylvanian	Gzhelian						Virgilian	298.9
		Kasimovian						Missourian	303.7
		Kasimovian						Desmoinesian	305.9 *
		Moscovian						Desmoinesian	307
		Moscovian						Atokan	312.7 *
		Bashkirian						Atokan	315.2
		Bashkirian						Morrowan	318.4 *
	Mississippian	Serpukhovian						Chesterian	323.2
		Visean						Chesterian	330.9
			Meramecian					335.8 *
			Osagean					343.1 *
		Tournaisian	Osagean					346.7
		Tournaisian	Kinderhookian					351.9 *
Devonian	Late Devonian	Famennian						Late Famennian	358.9
								Middle Famennian	365.3 *
								Early Famennian	368.5 *
		Frasnian						Late Frasnian	372.2
								Middle Frasnian	375.4 *
								Early Frasnian	379.3 *
	Middle Devonian	Givetian						Late Givetian	382.7
								Middle Givetian	383.7 *
								Early Givetian	385.9 *
		Eifelian						Late Eifelian	387.7
		Eifelian						Early Eifelian	390.3 *
	Early Devonian	Emsian					Late Emsian	393.3
		Emsian					Early Emsian	398.3 *
		Pragian					Pragian	407.6
		Lochkovian					Late Lochkovian	410.8
							Middle Lochkovian	412.8 *
				Early Lochkovian			415.6 *
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					443.8
		Katian					445.2
		Sandbian					453
	Middle Ordovician	Darriwilian					458.4
	Middle Ordovician	Dapingian					467.3
	Early Ordovician	Floian					470
	Early Ordovician	Tremadocian					477.7
Cambrian	Furongian	Stage 10					485.4
		Jiangshanian					489.5
		Paibian					494
	Miaolingian	Guzhangian					Series 3 †	497
		Drumian						500.5
		Wuliuan				Stage 5 †		504.5
										509