Ten Million Year Bins

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

  • F. F. Steininger, W. A. Berggren, D. V. Kent, R. L. Bernor, S. Sen and J. Agusti. 1996. Circum-Mediterranean Neogene (Miocene and Pliocene) marine-continental chronologic correlations of European mammal units. The Evolution of Western Eurasian Neogene Mammal Faunas (eds. R. L. Bernor, V. Fahlbusch, and H.-W. Mittmann) 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
  • 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. A. Lillegraven and M. C. McKenna. 1986. Fossil mammals from the "Mesaverde" Formation (Late Cretaceous, Judithian) of the Bighorn and Wind River basins, Wyoming, with definitions of Late Cretaceous North American Land-Mammal "Ages". American Museum Novitates 2840:1-68 view
  • J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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 BinsEuropean Faunal ZonesCarboniferous of North AmericaPermian of the PamirsCarboniferous of Western EuropeDevonian of Eastern North AmericaCretaceous SubepochsCarboniferous SubepochsCretaceous North American Land-Mammal AgesCambrian of KazakhstanPaleogene Mammal Ages of Asia
QuaternaryHoloceneMeghalayanCenozoic 60
Northgrippian0.0042
Greenlandian0.0082
PleistoceneLate Pleistocene0.0117
Chibanian0.129
Calabrian0.774
GelasianMN 171.8
NeogenePliocenePiacenzianMN 162.58
MN 153.2
Zanclean3.6
MN 144.2
MN 134.9
MioceneMessinian5.333
TortonianMN 127.246
MN 117.75
MN 108.7
MN 99.7
MN 7 + 811.1
SerravallianCenozoic 511.63
MN 612.8 *
LanghianMN 513.82
BurdigalianMN 415.98
MN 316.9
MN 220
Aquitanian20.44
MN 122.4
PaleogeneOligoceneChattianCenozoic 4TabenbulakianHsandagolian23.03
RupelianKekeamuan27.82
EocenePriabonianCenozoic 3Houldjinian/Ergilian/Ulangochuian33.9
BartonianSharamurunian/Irdinmanhan/Arshantan37.71
LutetianCenozoic 241.2
YpresianBumbanian47.8
PaleoceneThanetianCenozoic 1Gashatan56
Selandian59.2
Danian61.6
CretaceousLate CretaceousMaastrichtianCretaceous 8SenonianLancian/Edmontonian66
CampanianCretaceous 7Judithian/Aquilan72.1
SantonianCretaceous 683.6
Coniacian86.3
Turonian89.8
CenomanianCretaceous 593.9
Early CretaceousAlbianCretaceous 4Gallic100.5
AptianCretaceous 3113
BarremianCretaceous 2121.4
HauterivianNeocomian125.77
ValanginianCretaceous 1132.6
Berriasian139.8
JurassicLate JurassicTithonianJurassic 6145
KimmeridgianJurassic 5149.2
Oxfordian154.8
Middle JurassicCallovian161.5
BathonianJurassic 4165.3
Bajocian168.2
AalenianJurassic 3170.9
Early JurassicToarcian174.7
PliensbachianJurassic 2184.2
SinemurianJurassic 1192.9
Hettangian199.5
TriassicLate TriassicRhaetianTriassic 4201.4
Norian208.5
CarnianTriassic 3227
Middle TriassicLadinianTriassic 2237
Anisian242
Early TriassicOlenekianTriassic 1247.2
Induan251.2
PermianLopingianChanghsingianPermian 4Dorashamian251.902
WuchiapingianDzhulfian254.14
GuadalupianCapitanianMidian259.51
Wordian264.28
Murgabian266.2 *
RoadianPermian 3266.9
CisuralianKungurianPermian 2Kubergandian273.01
Bolorian279.8
Artinskian283.5
Yakhtashian286
SakmarianSakmarian290.1
AsselianPermian 1Bursumian †Asselian293.52
Kuzel297.7
CarboniferousPennsylvanianGzhelianCarboniferous 5VirgilianLate Pennsylvanian298.9
StephanianStephanian C300.3 *
Stephanian B300.9 *
Stephanian A301.4 *
KasimovianMissourian303.7
Cantabrian305 *
Desmoinesian305.9 *
MoscovianCarboniferous 4Middle Pennsylvanian307
WestphalianWestphalian D307.4 *
Westphalian C309.8
Atokan312.7 *
Westphalian B314.6
BashkirianEarly Pennsylvanian315.2
Westphalian A317 *
Morrowan318.4 *
NamurianYeadonian318.8 *
Marsdenian320.2 *
Kinderscoutian321.5 *
Alportian322 *
Chokierian323.1 *
MississippianSerpukhovianCarboniferous 3ChesterianLate Mississippian323.2
Arnsbergian324 *
Pendleian327.4 *
ViseanCarboniferous 2WarnantianBrigantian †Middle Mississippian330.9
Meramecian335.8 *
LivianAsbian †336.3 *
MoliniacianHolkerian †/Arundian/Chadian340.2 *
Osagean343.1 *
TournaisianCarboniferous 1IvorianEarly Mississippian346.7
Kinderhookian351.9 *
Hastarian353.7 *
DevonianLate DevonianFamennianDevonian 5Conewangan/Conneautan/Canadaway358.9
FrasnianDevonian 4West Fallsian/Sonyean372.2
Middle DevonianGivetianDevonian 3Geneseean/Taghanican/TioughnioganCazenovian382.7
EifelianSouthwoodian387.7
Early DevonianEmsianDevonian 2Sawkillian/Deer ParkianHelderbergian393.3
PragianDevonian 1407.6
Lochkovian410.8
SilurianPridoliSilurian 2419.2
LudlowLudfordian423
Gorstian425.6
WenlockHomerian427.4
Sheinwoodian430.5
LlandoveryTelychianSilurian 1433.4
Aeronian438.5
Rhuddanian440.8
OrdovicianLate OrdovicianHirnantianOrdovician 5443.8
Katian445.2
SandbianOrdovician 4453
Middle OrdovicianDarriwilianOrdovician 3458.4
DapingianOrdovician 2467.3
Early OrdovicianFloian470
TremadocianOrdovician 1Ungurian477.7
CambrianFurongianStage 10Cambrian 5Batyrbaian485.4
Jiangshanian489.5
Aksaian490.7 *
Sakian492.2 *
Paibian494
MiaolingianGuzhangianCambrian 4Ayusokkanian497
499.5
DrumianZhanaarykian500.5
Tuesaian503
WuliuanCambrian 3504.5
505.3
Series 2Stage 4509
Toyonian510 *
Botomian512.5 *
Stage 3Cambrian 2514
Atdabanian515.6 *
TerreneuvianStage 2Tommotian521
525.5
FortunianCambrian 1529
538.8