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
F. J. Prevosti, C. O. Romano, A. M. Forasiepi, S. Hemming, R. Bonini, A. M. Candela, E. Cerdeño, M. C. Madozzo Jaén, P. E. Ortiz, F. Pujos, L. Rasia, G. I. Schmidt, M. Taglioretti, R. D. E. MacPhee, and U. F. J. Pardiñas. 2021. New radiometric 40Ar–39Ar dates and faunistic analyses refine evolutionary dynamics of Neogene vertebrate assemblages in southern South America. Scientific Reports 2021(11):9830 view
J. J. Flynn and C. C. Swisher, III. 1995. Cenozoic South American Land Mammal Ages: correlation to global geochronology. Geochronology Time Scales and Global Stratigraphic Correlation, SEPM Special Publication 54:317-333 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
F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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 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			South American Land Mammal Ages		Neogene Mammal Ages of China	Devonian Subages	Permian of the Salt Range	Cretaceous-Cenozoic of New Zealand
Quaternary	Holocene	Meghalayan									Wanganui	Haweran	0
		Northgrippian											0.0042
		Greenlandian											0.0082
	Pleistocene	Late Pleistocene				Lujanian		Nihewanian					0.0117
		Chibanian				Lujanian							0.129
						Ensenadan							0.3 *
												Castlecliffian	0.34
		Calabrian										Castlecliffian	0.774
												Nukumaruan	1.63
						Sanandresian	Uquian †						1.7 *
		Gelasian											1.8
		Gelasian										Mangapanian	2.4
Neogene	Pliocene	Piacenzian	Tertiary †			Vorohuean		Yushean					2.58
						Chapadmalalan							2.9 *
												Waipipian	3
		Zanclean										Waipipian	3.6
						Montehermosan						Opoitian	3.7 *
						Huayquerian		Baodean				Opoitian	4.9 *
	Miocene	Messinian									Taranaki	Kapitean	5.333
		Messinian										Tongaporutuan	7.2
		Tortonian											7.246
						Chasicoan							7.9 *
						Mayoan							9.9 *
						Laventan							10.9 *
											Southland	Waiauan	11.04
								Tunggurian					11.1
		Serravallian											11.63
												Lillburnian	13.05
						Colloncuran							13.7 *
		Langhian						Shanwangian					13.82
												Clifdenian	15.1
						Friasian						Clifdenian	15.4 *
											Pareora	Altonian	15.9
		Burdigalian											15.98
						Santacrucian							16.2 *
						Santacrucian		Xiejiaan					16.9
						Colhuehuapian							17.4 *
												Otaian	18.7
		Aquitanian											20.44
						Deseadan							20.9 *
											Landon	Waitakian	21.7
Paleogene	Oligocene	Chattian										Waitakian	23.03
												Duntroonian	25.2
												Whaingaroan	27.3
		Rupelian											27.82
		Rupelian				Tinguirirican							28.9 *
	Eocene	Priabonian											33.9
											Arnold	Runangan	34.6
						Divisaderan						Runangan	35.9 *
												Kaiatan	36.7
		Bartonian										Kaiatan	37.71
		Bartonian										Bortonian	39.1
		Lutetian											41.2
						Mustersan							41.9 *
											Dannevirke	Porangan	42.6
												Heretaungan	45.7
		Ypresian											47.8
						Casamayoran							47.9 *
												Mangaorapan	48.9
												Waipawan	52
	Paleocene	Thanetian				Riochican						Teurian	56
						Itaboraian							56.9 *
						Peligran							58.9 *
		Selandian											59.2
		Danian		61.6
		Danian		Tiupampan	62.4 *
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							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							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