PBDB Timescale

Permian of the Russian Platform

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

F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 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
K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view

There are 13 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 181 collections

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International Chronostratigraphic Timescale			Permian of the Russian Platform		Obsolete Names for ICS Units		Permian of the Salt Range	Permian of Western Europe	Carboniferous of North America	Permian of the Pamirs
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
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									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			Dorashamian	251.902
											252.4 *
							Chhidru				252.9 *
		Wuchiapingian				Longtanian †	Chhidru	Zechstein		Dzhulfian	254.14
							Kalabagh				255 *
							Wargal				256 *
			Tatarian	Vyatkian							256.8 *
	Guadalupian	Capitanian		Severodvinian				Rotliegendes		Midian	259.51
		Wordian		Urzhumian							264.28
									265.3 *
							Amb		266.1 *
									Murgabian	266.2 *
		Roadian	Kazanian	Povolzhian						266.9
		Roadian	Kazanian	Sokian						270.7 *
	Cisuralian	Kungurian	Kungurian	Irenian/Ufimian					Kubergandian	273.01
				Filipovian					Kubergandian	276.5 *
				Filipovian					Bolorian	279.8
				Saraninian						280.1 *
		Artinskian	Artinskian	Sarginian				Autunian		283.5
				Irginian						285.9 *
				Irginian					Yakhtashian	286
				Burtsevian					Yakhtashian	287.8 *
		Sakmarian	Sakmarian	Sterlitamakian					Sakmarian	290.1
		Sakmarian	Sakmarian	Tastubian					Sakmarian	291.7 *
		Asselian	Asselian	Shikhanian					Bursumian †	Asselian	293.52
				Uskalykian							294.8
				Surenian							297.5
											298.9