Ten Million Year Bins

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

  • J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 view
  • 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
  • F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
  • J. Palfy, P. L. Smith, and J. K. Mortensen. 2000. A U-Pb and 40Ar/39Ar time scale for the Jurassic. Canadian Journal of Earth Sciences 37(6):923-944 view
  • K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view

There are 56 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 1 collections

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International Chronostratigraphic TimescaleTen Million Year BinsPaleogene Mammal Ages of AsiaCambrian of AustraliaDevonian of GermanyCambrian EpochsAmmonite Chrons of Northwest EuropeCenozoic SubepochsObsolete Names for ICS UnitsDevonian Subages
QuaternaryHoloceneMeghalayanCenozoic 60
Northgrippian0.0042
Greenlandian0.0082
PleistoceneLate PleistoceneLate Pleistocene0.0117
ChibanianMiddle Pleistocene0.129
CalabrianEarly Pleistocene0.774
Gelasian1.8
NeogenePliocenePiacenzianLate PlioceneTertiary †2.58
ZancleanEarly Pliocene3.6
MioceneMessinianLate Miocene5.333
Tortonian7.246
SerravallianCenozoic 5Middle Miocene11.63
Langhian13.82
BurdigalianEarly Miocene15.98
Aquitanian20.44
PaleogeneOligoceneChattianCenozoic 4TabenbulakianHsandagolianLate Oligocene23.03
RupelianKekeamuanEarly Oligocene27.82
EocenePriabonianCenozoic 3Houldjinian/Ergilian/UlangochuianLate Eocene33.9
BartonianSharamurunian/Irdinmanhan/ArshantanMiddle Eocene37.71
LutetianCenozoic 241.2
YpresianBumbanianEarly Eocene47.8
PaleoceneThanetianCenozoic 1GashatanLate Paleocene56
SelandianMiddle Paleocene59.2
DanianEarly Paleocene61.6
CretaceousLate CretaceousMaastrichtianCretaceous 866
CampanianCretaceous 772.1
SantonianCretaceous 683.6
Coniacian86.3
Turonian89.8
CenomanianCretaceous 593.9
Early CretaceousAlbianCretaceous 4100.5
AptianCretaceous 3113
BarremianCretaceous 2121.4
Hauterivian125.77
ValanginianCretaceous 1132.6
Berriasian139.8
JurassicLate JurassicTithonianJurassic 6145
KimmeridgianJurassic 5149.2
Oxfordian154.8
Middle JurassicCallovian161.5
BathonianJurassic 4165.3
BajocianParkinsoni/Garantiana/Subfurcatum/Sauzei/Laeviuscula/Discites168.2
Humphresianum168.4
AalenianJurassic 3Concavum/Murchisonae/Opalinum170.9
Early JurassicToarcianLevesquei/Variabilis/BifronsThouarsense174.7
180.1
Serpentinum/Falciferum/Tenuicostatum182
PliensbachianJurassic 2Spinatum/Margaritatus/Davoei/Ibex/Jamesoni184.2
SinemurianJurassic 1Raricostatum/Oxynotum/Obtusum/Turneri/Semicostatum/Bucklandi192.9
HettangianAngulata/Liasicus/Planorbis199.5
TriassicLate TriassicRhaetianTriassic 4201.4
Norian208.5
CarnianTriassic 3227
Middle TriassicLadinianTriassic 2237
Anisian242
Early TriassicOlenekianTriassic 1247.2
Induan251.2
PermianLopingianChanghsingianPermian 4251.902
WuchiapingianLongtanian †254.14
GuadalupianCapitanian259.51
Wordian264.28
RoadianPermian 3266.9
CisuralianKungurianPermian 2273.01
Artinskian283.5
Sakmarian290.1
AsselianPermian 1293.52
CarboniferousPennsylvanianGzhelianCarboniferous 5298.9
Kasimovian303.7
MoscovianCarboniferous 4307
Bashkirian315.2
MississippianSerpukhovianCarboniferous 3323.2
ViseanCarboniferous 2330.9
TournaisianCarboniferous 1346.7
DevonianLate DevonianFamennianDevonian 5Wocklum/Dasberg/Hemberg/NehdenLate Famennian358.9
Middle Famennian365.3 *
Early Famennian368.5 *
FrasnianDevonian 4AdorfLate Frasnian372.2
Middle Frasnian375.4 *
Early Frasnian379.3 *
Middle DevonianGivetianDevonian 3GivetianLate Givetian382.7
Middle Givetian383.7 *
Early Givetian385.9 *
EifelianEifelianLate Eifelian387.7
Early Eifelian390.3 *
Early DevonianEmsianDevonian 2EmsianLate Emsian393.3
Early Emsian398.3 *
PragianDevonian 1SiegenPragian407.6
LochkovianGedinnineLate Lochkovian410.8
Middle Lochkovian412.8 *
Early Lochkovian415.6 *
SilurianPridoliSilurian 2419.2
LudlowLudfordian423
Gorstian425.6
WenlockHomerian427.4
Sheinwoodian430.5
LlandoveryTelychianSilurian 1433.4
Aeronian438.5
Rhuddanian440.8
OrdovicianLate OrdovicianHirnantianOrdovician 5443.8
Katian445.2
SandbianOrdovician 4453
Middle OrdovicianDarriwilianOrdovician 3458.4
DapingianOrdovician 2467.3
Early OrdovicianFloian470
TremadocianOrdovician 1477.7
CambrianFurongianStage 10Cambrian 5DatsonianLate Cambrian485.4
Payntonian486.8 *
JiangshanianIverian489.5
PaibianIdamean494
MiaolingianGuzhangianCambrian 4MindyallanMiddle CambrianSeries 3 †497
Boomerangian499
DrumianUndillan500.5
Floran503
WuliuanCambrian 3TempletonianStage 5 †504.5
Ordian507.8 *
Series 2Stage 4Early Cambrian509
510.8 *
Stage 3Cambrian 2514
TerreneuvianStage 2521
FortunianCambrian 1529
538.8