PBDB Interval

International Chronostratigraphic Timescale

The interval definitions in this timescale are derived from the following sources:

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
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

There are 59 timescales which overlap this one. show

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

This timescale is used in the definition of 126606 collections

International Chronostratigraphic Timescale					Permian-Jurassic of New Zealand		Carboniferous Subepochs	Obsolete Names for ICS Units
Phanerozoic	Cenozoic	Quaternary	Holocene	Meghalayan							0
				Northgrippian							0.0042
				Greenlandian							0.0082
			Pleistocene	Late Pleistocene							0.0117
				Chibanian							0.129
				Calabrian							0.774
				Gelasian							1.8
		Neogene	Pliocene	Piacenzian				Tertiary †			2.58
			Pliocene	Zanclean							3.6
			Miocene	Messinian							5.333
				Tortonian							7.246
				Serravallian							11.63
				Langhian							13.82
				Burdigalian							15.98
				Aquitanian							20.44
		Paleogene	Oligocene	Chattian							23.03
			Oligocene	Rupelian							27.82
			Eocene	Priabonian							33.9
				Bartonian							37.71
				Lutetian							41.2
				Ypresian							47.8
			Paleocene	Thanetian							56
				Selandian							59.2
				Danian							61.6
	Mesozoic	Cretaceous	Late Cretaceous	Maastrichtian							66
				Campanian							72.1
				Santonian							83.6
				Coniacian							86.3
				Turonian							89.8
				Cenomanian							93.9
			Early Cretaceous	Albian							100.5
				Aptian							113
				Barremian							121.4
				Hauterivian							125.77
				Valanginian							132.6
				Berriasian							139.8
		Jurassic	Late Jurassic	Tithonian	Oteke	Puaroan					145
				Kimmeridgian	Oteke	Puaroan					149.2
					Kawhia	Ohauan					150
						Heterian					154.5
				Oxfordian							154.8
			Middle Jurassic	Callovian							161.5
				Callovian		Temaikan					164.3
				Bathonian							165.3
				Bajocian							168.2
				Aalenian							170.9
			Early Jurassic	Toarcian							174.7
				Toarcian	Herangi	Ururoan					176
				Pliensbachian		Ururoan					184.2
				Pliensbachian		Aratauran					188.9
				Sinemurian							192.9
				Hettangian							199.5
		Triassic	Late Triassic	Rhaetian	Balfour	Otapirian					201.4
				Norian		Warepan					208.5
						Otamitan					217
						Oretian					221
				Carnian		Oretian					227
				Carnian	Gore	Kaihikuan					227.5
			Middle Triassic	Ladinian		Kaihikuan					237
				Ladinian		Etalian					238
				Anisian		Etalian					242
				Anisian		Malakovian					246
			Early Triassic	Olenekian		Malakovian					247.2
				Olenekian		Nelsonian					249
Induan				251.2		Nelsonian
Induan				DUrville	Makarewan	251.5
Paleozoic	Permian	Lopingian	Changhsingian		Makarewan	251.902
			Changhsingian		Waiitian	253.2
			Wuchiapingian		Waiitian	Longtanian †	254.14
			Wuchiapingian		Puruhauan	Longtanian †	254.2
		Guadalupian	Capitanian	Aparima	Flettian		259.51
			Wordian		Flettian		264.28
			Wordian		Barettian		266
			Roadian				266.9
		Cisuralian	Kungurian				273.01
			Kungurian		Mangapirian		276
			Artinskian		Mangapirian		283.5
					Telfordian		285
							288.5
			Sakmarian				290.1
			Asselian				293.52
	Carboniferous	Pennsylvanian	Gzhelian				Late Pennsylvanian		298.9
			Kasimovian				Late Pennsylvanian		303.7
			Moscovian				Middle Pennsylvanian		307
			Bashkirian				Early Pennsylvanian		315.2
		Mississippian	Serpukhovian				Late Mississippian		323.2
			Visean				Middle Mississippian		330.9
			Tournaisian				Early Mississippian		346.7
	Devonian	Late Devonian	Famennian					358.9
		Late Devonian	Frasnian					372.2
		Middle Devonian	Givetian					382.7
		Middle Devonian	Eifelian					387.7
		Early Devonian	Emsian					393.3
			Pragian					407.6
			Lochkovian					410.8
	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
		Series 2	Stage 4						509
		Series 2	Stage 3						514
		Terreneuvian	Stage 2						521
		Terreneuvian	Fortunian						529
Proterozoic	Neoproterozoic	Ediacaran								538.8
		Cryogenian								635
		Tonian								720
	Mesoproterozoic	Stenian								1000
		Ectasian								1200
		Calymmian								1400
	Paleoproterozoic	Statherian								1600
		Orosirian								1800
		Rhyacian								2050
		Siderian								2300
Archean	Neoarchean									2500
	Mesoarchean									2800
	Paleoarchean									3200
	Eoarchean									3600
Hadean										4000
											4600