Ten Million Year Bins

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

  • M. Freudenthal. 2006. Mammal Paleogene zones. personal communication 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. 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
  • 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, F. P. Agterberg, J. G. Ogg, J. Hardenbol, P. Van Veen, J. Thierry, and Z. Huang. 1995. A Triassic, Jurassic, and Cretaceous time scale. SEPM Special Publication 54 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
  • Z.-X. Qiu and Z.-D. Qiu. 1995. Chronological sequence and subdivision of Chinese Neogene mammalian faunas. Palaeogeography, Palaeoclimatology, Palaeoecology 116(1-2):41-70 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 BinsMammal Paleogene ZonesCarbo-Permian of the Russian PlatformCenozoic SubepochsCambrian of AustraliaCarboniferous of ChinaPermian-Jurassic of New ZealandObsolete Names for ICS UnitsMesozoic SubagesNeogene Mammal Ages of ChinaOrdovician of Australia
QuaternaryHoloceneMeghalayanCenozoic 60
Northgrippian0.0042
Greenlandian0.0082
PleistoceneLate PleistoceneLate PleistoceneNihewanian0.0117
ChibanianMiddle Pleistocene0.129
CalabrianEarly Pleistocene0.774
Gelasian1.8
NeogenePliocenePiacenzianLate PlioceneTertiary †Yushean2.58
ZancleanEarly Pliocene3.6
Baodean4.9
MioceneMessinianLate Miocene5.333
Tortonian7.246
Tunggurian11.1
SerravallianCenozoic 5Middle Miocene11.63
LanghianShanwangian13.82
BurdigalianEarly Miocene15.98
Xiejiaan16.9
Aquitanian20.44
PaleogeneOligoceneChattianCenozoic 4MP 30/MP 29/MP 28/MP 27/MP 26MP 25Late Oligocene23.03
RupelianMP 24/MP 23/MP 22/MP 21Early Oligocene27.82
EocenePriabonianCenozoic 3MP 20/MP 19/MP 18/MP 17B/MP 17ALate Eocene33.9
BartonianMP 16Middle Eocene37.71
LutetianCenozoic 2MP 15/MP 14/MP 13/MP 12/MP 1141.2
YpresianMP 10/MP 8 + 9/MP 7Early Eocene47.8
PaleoceneThanetianCenozoic 1MP 6MP 1 - 5Late Paleocene56
SelandianMiddle Paleocene59.2
DanianEarly Paleocene61.6
CretaceousLate CretaceousMaastrichtianCretaceous 8Late Maastrichtian/Early Maastrichtian66
CampanianCretaceous 7Late Campanian/Middle Campanian/Early Campanian72.1
SantonianCretaceous 6Late Santonian/Middle Santonian/Early Santonian83.6
ConiacianLate Coniacian/Middle Coniacian/Early Coniacian86.3
TuronianLate Turonian/Middle Turonian/Early Turonian89.8
CenomanianCretaceous 5Late Cenomanian/Middle Cenomanian/Early Cenomanian93.9
Early CretaceousAlbianCretaceous 4Late Albian100.5
Middle Albian106.2 *
Early Albian109.9 *
AptianCretaceous 3Late Aptian113
Early Aptian119.5 *
BarremianCretaceous 2Late Barremian/Early Barremian121.4
HauterivianLate Hauterivian/Early Hauterivian125.77
ValanginianCretaceous 1Late Valanginian/Early Valanginian132.6
BerriasianLate Berriasian139.8
Middle Berriasian140.6 *
Early Berriasian142.7 *
JurassicLate JurassicTithonianJurassic 6OtekePuaroanLate TithonianMiddle Tithonian145
Early Tithonian146.3 *
KimmeridgianJurassic 5Late Kimmeridgian149.2
KawhiaOhauan150
Early Kimmeridgian152.2 *
Heterian154.5
OxfordianLate OxfordianMiddle Oxfordian/Early Oxfordian154.8
157.9 *
Middle JurassicCallovianLate Callovian/Middle Callovian/Early Callovian161.5
Temaikan164.3
BathonianJurassic 4Late Bathonian/Middle Bathonian/Early Bathonian165.3
BajocianLate Bajocian168.2
Early Bajocian168.6 *
AalenianJurassic 3Late Aalenian/Middle Aalenian/Early Aalenian170.9
Early JurassicToarcianLate Toarcian174.7
HerangiUruroan176
Middle Toarcian180.4 *
Early Toarcian182.9 *
PliensbachianJurassic 2Late Pliensbachian/Early Pliensbachian184.2
Aratauran188.9
SinemurianJurassic 1Late Sinemurian/Early Sinemurian192.9
HettangianLate Hettangian/Middle Hettangian/Early Hettangian199.5
TriassicLate TriassicRhaetianTriassic 4BalfourOtapirian201.4
NorianWarepanSevatian208.5
Alaunian213.2 *
Lacian216.7 *
Otamitan217
Oretian221
CarnianTriassic 3Tuvalian227
GoreKaihikuan227.5
Julian233.4 *
Middle TriassicLadinianTriassic 2Longobardian237
Etalian238
Fassanian239.7 *
AnisianIllyrian242
Pelsonian243.8 *
Bithynian244.7 *
Aegean245.5 *
Malakovian246
Early TriassicOlenekianTriassic 1Spathian247.2
Smithian248.9 *
Nelsonian249
InduanDienerian251.2
Griesbachian251.4 *
DUrvilleMakarewan251.5
PermianLopingianChanghsingianPermian 4Melekhovian251.902
Waiitian253.2
WuchiapingianLongtanian †254.14
Puruhauan254.2
GuadalupianCapitanianAparimaFlettian259.51
Wordian264.28
Noginskian264.9 *
Barettian266
RoadianPermian 3266.9
CisuralianKungurianPermian 2273.01
Mangapirian276
Pavlovoposadian276.8 *
Artinskian283.5
Telfordian285
Rusavkinian287.6 *
288.5
Sakmarian290.1
AsselianPermian 1293.52
CarboniferousPennsylvanianGzhelianCarboniferous 5298.9
Xiaodushanian300 *
KasimovianDorogomilovian303.7
Khamovnikian304.8
KrevyakinianDalaun305.8 *
MoscovianCarboniferous 4Myachkovian307
Podolskian308.9 *
Kashirian311.4 *
Vereian313.8
Melekessian314.8
Bashkirian315.2
Cheremshanian316.9 *
Huashibanian318.5 *
Prikamian318.6 *
Severokeltmian319.9 *
KrasnopolyanianLousuan321.2 *
Voznesenian321.9 *
MississippianSerpukhovianCarboniferous 3ZapaltjubianDewunian323.2
Protvian324.4 *
Steshevian326.8 *
Tarusian329 *
Shangsian330.8 *
ViseanCarboniferous 2Venevian330.9
Mikhailovian331.9 *
Aleksinian333.7 *
Jiusian335 *
Tulian335.8 *
Bobrikian339.9 *
Radaevkian343.4 *
TournaisianCarboniferous 1KosvianTangbagouan346.7
Kizelian350.7 *
Cherepetian351.9 *
Karakubian354.4 *
Upinian356.3 *
Malevkian357.6 *
Gumerovian358 *
DevonianLate DevonianFamennianDevonian 5358.9
FrasnianDevonian 4372.2
Middle DevonianGivetianDevonian 3382.7
Eifelian387.7
Early DevonianEmsianDevonian 2393.3
PragianDevonian 1407.6
Lochkovian410.8
SilurianPridoliSilurian 2419.2
LudlowLudfordian423
Gorstian425.6
WenlockHomerian427.4
Sheinwoodian430.5
LlandoveryTelychianSilurian 1433.4
Aeronian438.5
Rhuddanian440.8
OrdovicianLate OrdovicianHirnantianOrdovician 5Bolindian443.8
Katian445.2
Eastonian449 *
Gisbornian452 *
SandbianOrdovician 4453
Middle OrdovicianDarriwilianOrdovician 3Darriwilian458.4
DapingianOrdovician 2Yapeenian467.3
Castlemainian468.5 *
Early OrdovicianFloianChewtonian470
Bendigonian471.8 *
Lancefieldian473.5 *
TremadocianOrdovician 1477.7
Warendian482.8 *
CambrianFurongianStage 10Cambrian 5Datsonian485.4
Payntonian486.8 *
JiangshanianIverian489.5
PaibianIdamean494
MiaolingianGuzhangianCambrian 4MindyallanSeries 3 †497
Boomerangian499
DrumianUndillan500.5
Floran503
WuliuanCambrian 3TempletonianStage 5 †504.5
Ordian507.8 *
Series 2Stage 4509
510.8 *
Stage 3Cambrian 2514
TerreneuvianStage 2521
FortunianCambrian 1529
538.8