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
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
F. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) 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		Ordovician of North America					Cambrian of Australia	Silurian of the Baltic	Silurian of North America			European Faunal Units	Devonian of Germany	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											Villanyian		Yushean	2.58
							Waipipian											Villanyian			3
																		Ruscinian			3.1 *
		Zanclean																			3.6
							Opoitian														3.7
							Opoitian													Baodean	4.9
	Miocene	Messinian				Taranaki	Kapitean											Turolian			5.333
		Messinian					Tongaporutuan														7.2
		Tortonian																			7.246
																		Vallesian			8.7
						Southland	Waiauan														11.04
																				Tunggurian	11.1
		Serravallian																Astaracian			11.63
		Serravallian					Lillburnian														13.05
		Langhian					Lillburnian													Shanwangian	13.82
							Clifdenian														15.1
						Pareora	Altonian														15.9
		Burdigalian																Orleanian			15.98
																				Xiejiaan	16.9
							Otaian														18.7
																		Agenian			20
		Aquitanian																			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
		Asselian					Kuzel	297.7
Carboniferous	Pennsylvanian	Gzhelian					Kuzel	298.9
							Stephanian	Stephanian C	300.3 *
								Stephanian B	300.9 *
								Stephanian A	301.4 *
		Kasimovian						Stephanian A	303.7
		Kasimovian						Cantabrian	305 *
		Moscovian						Cantabrian	307
							Westphalian	Westphalian D	307.4 *
								Westphalian C	309.8
								Westphalian B	314.6
		Bashkirian						Westphalian B	315.2
								Westphalian A	317 *
							Namurian	Yeadonian	318.8 *
								Marsdenian	320.2 *
								Kinderscoutian	321.5 *
								Alportian	322 *
			Chokierian					323.1 *
	Mississippian	Serpukhovian	Chokierian					323.2
			Arnsbergian					324 *
			Pendleian					327.4 *
		Visean	Warnantian				Brigantian †	330.9
			Livian				Asbian †	336.3 *
			Moliniacian				Holkerian †/Arundian/Chadian	340.2 *
		Tournaisian	Ivorian					346.7
		Tournaisian	Hastarian					353.7 *
Devonian	Late Devonian	Famennian	Wocklum/Dasberg/Hemberg/Nehden						358.9
	Late Devonian	Frasnian	Adorf						372.2
	Middle Devonian	Givetian	Givetian						382.7
	Middle Devonian	Eifelian	Eifelian						387.7
	Early Devonian	Emsian	Emsian						393.3
		Pragian	Siegen						407.6
		Lochkovian	Gedinnine		410.8
Silurian	Pridoli		Ohesaare		Cayugan					419.2
			Kaugetuma		Cayugan					421.7 *
			Kaugetuma		Niagaran					422.5 *
	Ludlow	Ludfordian	Kuressaare							423
		Ludfordian	Paadla	423.4 *
		Gorstian	Paadla	425.6
	Wenlock	Homerian	Rootsikula	Lockportian						427.4
		Homerian	Jaagarahu	Lockportian						429.2 *
		Sheinwoodian	Jaagarahu							430.5
		Sheinwoodian	Jaani							431.8 *
	Llandovery	Telychian	Jaani	Ontarian						433.4
		Telychian	Adavere							434 *
		Aeronian								438.5
										Alexandrian	438.7 *
			Raikkula								439.4 *
				Medinan	Clinton						440.1 *
											440.7 *
		Rhuddanian									440.8
		Rhuddanian	Juuru								441.4 *
Ordovician	Late Ordovician	Hirnantian	Cincinnatian	Gamachian								443.8
		Katian		Gamachian								445.2
				Richmondian								446 *
				Maysvillian								Rocklandian †/Shermanian/Ashbyan/Kirkfieldian/Blackriveran/Wildernessian/Trentonian/Franklinian	449.8 *
				Edenian									450.4 *
			Mohawkian	Chatfieldian		451.1 *
		Sandbian		Chatfieldian		453
				Turinian		453.7 *
			Whiterockian			Canadian †						Chazyan †/Marmor	457 *
	Middle Ordovician	Darriwilian											458.4
		Dapingian											467.3
		Dapingian		Rangerian									469.1 *
	Early Ordovician	Floian	Ibexian	Blackhillsian								Jeffersonian †	Cassinian †	470
		Floian		Tulean										473.9 *
		Tremadocian		Tulean										477.7
				Stairsian										480.3 *
				Skullrockian									Demingian †	482 *
Cambrian	Furongian	Stage 10												Datsonian	Merioneth	Dolgellian/Trempealeauan	485.4
														Payntonian			486.8 *
																	487.5
																Festiniogian	489.2 *
		Jiangshanian												Iverian		Festiniogian	489.5
		Jiangshanian												Iverian		Maentwrogian	493.1 *
		Paibian												Idamean		Maentwrogian	494
	Miaolingian	Guzhangian												Series 3 †	Mindyallan	St Davids		497
		Guzhangian													Boomerangian			499
		Drumian													Undillan			500.5
		Drumian													Floran			503
		Wuliuan													Stage 5 †			Templetonian	504.5
		Wuliuan													Stage 5 †			Ordian	507.8 *
	Series 2	Stage 4														Caerfai		Ordian	509
		Stage 4																	510.8 *
		Stage 3																	514
	Terreneuvian	Stage 2																	521
	Terreneuvian	Fortunian																	529
																					538.8