PBDB Timescale

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. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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
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 59 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.

This timescale is used in the definition of 126764 collections

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International Chronostratigraphic Timescale			Paleogene Mammal Ages of Asia		Cretaceous Subepochs	Devonian of France	Cretaceous-Cenozoic of New Zealand
Quaternary	Holocene	Meghalayan					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						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						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	Tabenbulakian	Hsandagolian				Waitakian	23.03
								Duntroonian	25.2
								Whaingaroan	27.3
		Rupelian	Kekeamuan						27.82
	Eocene	Priabonian	Houldjinian/Ergilian/Ulangochuian						33.9
							Arnold	Runangan	34.6
								Kaiatan	36.7
		Bartonian	Sharamurunian/Irdinmanhan/Arshantan					Kaiatan	37.71
		Bartonian						Bortonian	39.1
		Lutetian						Bortonian	41.2
							Dannevirke	Porangan	42.6
								Heretaungan	45.7
		Ypresian		Bumbanian				Heretaungan	47.8
								Mangaorapan	48.9
								Waipawan	52
	Paleocene	Thanetian	Gashatan					Teurian	56
		Selandian							59.2
		Danian							61.6
Cretaceous	Late Cretaceous	Maastrichtian			Senonian		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			Gallic			Motuan	100.5
								Urutawan	103.3
							Taitai	Korangan	108.4
		Aptian						Korangan	113
		Aptian							117.5
		Barremian							121.4
		Hauterivian			Neocomian				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					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
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					Famennian		358.9
	Late Devonian	Frasnian					Frasnian		372.2
	Middle Devonian	Givetian					Givetian		382.7
	Middle Devonian	Eifelian					Couvinien		387.7
	Early Devonian	Emsian							393.3
		Pragian							407.6
		Pragian					Coblencien		408.2 *
		Lochkovian		Gedinnine			410.8
									419.2