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
M. Freudenthal. 2006. Mammal Paleogene zones. personal communication view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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

There are 55 timescales which overlap this one. show

Interval names marked with † are no longer in current use.

This timescale is used in the definition of 92 collections

International Chronostratigraphic Timescale			Obsolete Names for ICS Units			Ten Million Year Bins	Mammal Paleogene Zones		Obsolete Carboniferous Ages of China	Cretaceous-Cenozoic of New Zealand
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	MP 30/MP 29/MP 28/MP 27/MP 26	MP 25			Waitakian	23.03
											Duntroonian	25.2
											Whaingaroan	27.3
		Rupelian					MP 24/MP 23/MP 22/MP 21					27.82
	Eocene	Priabonian				Cenozoic 3	MP 20/MP 19/MP 18/MP 17B/MP 17A					33.9
										Arnold	Runangan	34.6
											Kaiatan	36.7
		Bartonian					MP 16				Kaiatan	37.71
		Bartonian					MP 16				Bortonian	39.1
		Lutetian				Cenozoic 2	MP 15/MP 14/MP 13/MP 12/MP 11				Bortonian	41.2
										Dannevirke	Porangan	42.6
											Heretaungan	45.7
		Ypresian					MP 10/MP 8 + 9/MP 7				Heretaungan	47.8
											Mangaorapan	48.9
											Waipawan	52
	Paleocene	Thanetian				Cenozoic 1	MP 6	MP 1 - 5			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		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				Longtanian †			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					Mapingian †	298.9
		Kasimovian							Mapingian †	303.7
		Kasimovian								305.9
		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	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	485.4
		Jiangshanian		489.5
		Paibian		494
	Miaolingian	Guzhangian	Series 3 †	Cambrian 4			497
		Drumian		Cambrian 4			500.5
		Wuliuan		Stage 5 †		Cambrian 3	504.5
	Series 2	Stage 4				Cambrian 3	509
	Series 2	Stage 3			Cambrian 2	514
	Terreneuvian	Stage 2			Cambrian 2	521
	Terreneuvian	Fortunian			Cambrian 1	529
												538.8