Ten Million Year Bins

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
  • F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 view
  • F. M. Gradstein, J. G. Ogg, M. D. Schmitz and G. M. Ogg. 2020. Geologic Time Scale 2020 view
  • B. D. Webby. 1998. Steps toward a global standard for Ordovician stratigraphy. Newsletters in Stratigraphy 36:1-33 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

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 BinsCenozoic SubepochsOrdovician of the BalticDevonian SubagesPermian Subages of GermanyAmmonite Chrons of Northwest EuropeOrdovician of AustraliaCambrian EpochsSilurian of North AmericaDevonian of Eastern North AmericaOrdovician of Ibero-Bohemia
QuaternaryHoloceneMeghalayanCenozoic 60
Northgrippian0.0042
Greenlandian0.0082
PleistoceneLate PleistoceneLate Pleistocene0.0117
ChibanianMiddle Pleistocene0.129
CalabrianEarly Pleistocene0.774
Gelasian1.8
NeogenePliocenePiacenzianLate Pliocene2.58
ZancleanEarly Pliocene3.6
MioceneMessinianLate Miocene5.333
Tortonian7.246
SerravallianCenozoic 5Middle Miocene11.63
Langhian13.82
BurdigalianEarly Miocene15.98
Aquitanian20.44
PaleogeneOligoceneChattianCenozoic 4Late Oligocene23.03
RupelianEarly Oligocene27.82
EocenePriabonianCenozoic 3Late Eocene33.9
BartonianMiddle Eocene37.71
LutetianCenozoic 241.2
YpresianEarly Eocene47.8
PaleoceneThanetianCenozoic 1Late 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 4Buntsandstein251.902
Wuchiapingian254.14
GuadalupianCapitanianOhre/Aller259.51
WordianLeine264.28
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 5Late FamennianConewangan/Conneautan/Canadaway358.9
Middle Famennian365.3 *
Early Famennian368.5 *
FrasnianDevonian 4Late FrasnianWest Fallsian/Sonyean372.2
Middle Frasnian375.4 *
Early Frasnian379.3 *
Middle DevonianGivetianDevonian 3Late GivetianGeneseean/Taghanican/TioughnioganCazenovian382.7
Middle Givetian383.7 *
Early Givetian385.9 *
EifelianLate EifelianSouthwoodian387.7
Early Eifelian390.3 *
Early DevonianEmsianDevonian 2Late EmsianSawkillian/Deer ParkianHelderbergian393.3
Early Emsian398.3 *
PragianDevonian 1Pragian407.6
LochkovianLate Lochkovian410.8
Middle Lochkovian412.8 *
Early Lochkovian415.6 *
SilurianPridoliSilurian 2Cayugan419.2
Niagaran422.5 *
LudlowLudfordian423
Gorstian425.6
WenlockHomerianLockportian427.4
Sheinwoodian430.5
LlandoveryTelychianSilurian 1Ontarian433.4
Aeronian438.5
Alexandrian438.7 *
MedinanClinton440.1 *
440.7 *
Rhuddanian440.8
OrdovicianLate OrdovicianHirnantianOrdovician 5HarjuPorkuniBolindianKosovian443.8
KatianPirguKralodvorianBohdalec †445.2
Eastonian449 *
Vormsi449.6 *
Berounian449.7 *
NabalaJohvi †450 *
ViruRakvere450.6 *
OanduGisbornian452 *
SandbianOrdovician 4KeilaIdavere †453
Haljala453.9
Zahorany †/ViniceLetna †456.2 *
Kukruse456.4 *
UhakuAluoja †457.5 *
Liben †458 *
Middle OrdovicianDarriwilianOrdovician 3Darriwilian458.4
Dobrotivian458.5 *
Lasnamagi458.9 *
Oretanian459.7 *
Aseri460.4 *
Sarka †461.7 *
OelandKunda462.9 *
Valaste †/Hunderum464.3 *
VolkhovLangevoja †/Vaana/Saka467.1 *
DapingianOrdovician 2YapeenianKlabava †467.3
Arenigian468
Castlemainian468.5 *
Billingen469.3 *
Early OrdovicianFloianChewtonian470
Latorp †470.1 *
Bendigonian471.8 *
Lancefieldian473.5 *
Hunneberg473.7 *
TremadocianOrdovician 1Tremadocian477.7
Varangu481.3 *
Pakerort482.2 *
Warendian482.8 *
CambrianFurongianStage 10Cambrian 5Late Cambrian485.4
486.3 *
486.5
Jiangshanian489.5
Paibian494
MiaolingianGuzhangianCambrian 4Middle Cambrian497
Drumian500.5
WuliuanCambrian 3504.5
Series 2Stage 4Early Cambrian509
Stage 3Cambrian 2514
TerreneuvianStage 2521
FortunianCambrian 1529
538.8