Obsolete Names for ICS Units
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
- K. M. Cohen, S.C. Finney, P.L. Gibbard and J.-X. Fan. 2023. The ICS International Chronostratigraphic Chart v2023/09. view
- J. Meng and M. C. McKenna. 1998. Faunal turnovers of Paleogene mammals from the Mongolian Plateau. Nature 394:364-367 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
There are 55 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 92 collections
| International Chronostratigraphic Timescale | Obsolete Names for ICS Units | Paleogene Mammal Ages of Asia | Permian-Jurassic of New Zealand | Devonian of France | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Neogene | Pliocene | Piacenzian | Tertiary † | 2.58 | |||||||
| 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 | Tabenbulakian | Hsandagolian | 23.03 | ||||||
| Rupelian | Kekeamuan | 27.82 | |||||||||
| Eocene | Priabonian | Houldjinian/Ergilian/Ulangochuian | 33.9 | ||||||||
| Bartonian | Sharamurunian/Irdinmanhan/Arshantan | 37.71 | |||||||||
| Lutetian | 41.2 | ||||||||||
| Ypresian | Bumbanian | 47.8 | |||||||||
| Paleocene | Thanetian | Gashatan | 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 | Oteke | Puaroan | 145 | ||||||
| Kimmeridgian | 149.2 | ||||||||||
| Kawhia | Ohauan | 150 | |||||||||
| Heterian | 154.5 | ||||||||||
| Oxfordian | 154.8 | ||||||||||
| Middle Jurassic | Callovian | 161.5 | |||||||||
| Temaikan | 164.3 | ||||||||||
| Bathonian | 165.3 | ||||||||||
| Bajocian | 168.2 | ||||||||||
| Aalenian | 170.9 | ||||||||||
| Early Jurassic | Toarcian | 174.7 | |||||||||
| Herangi | Ururoan | 176 | |||||||||
| Pliensbachian | 184.2 | ||||||||||
| Aratauran | 188.9 | ||||||||||
| Sinemurian | 192.9 | ||||||||||
| Hettangian | 199.5 | ||||||||||
| Triassic | Late Triassic | Rhaetian | Balfour | Otapirian | 201.4 | ||||||
| Norian | Warepan | 208.5 | |||||||||
| Otamitan | 217 | ||||||||||
| Oretian | 221 | ||||||||||
| Carnian | 227 | ||||||||||
| Gore | Kaihikuan | 227.5 | |||||||||
| Middle Triassic | Ladinian | 237 | |||||||||
| Etalian | 238 | ||||||||||
| Anisian | 242 | ||||||||||
| Malakovian | 246 | ||||||||||
| Early Triassic | Olenekian | 247.2 | |||||||||
| Nelsonian | 249 | ||||||||||
| Induan | 251.2 | ||||||||||
| DUrville | Makarewan | 251.5 | |||||||||
| Permian | Lopingian | Changhsingian | 251.902 | ||||||||
| Waiitian | 253.2 | ||||||||||
| Wuchiapingian | Longtanian † | 254.14 | |||||||||
| Puruhauan | 254.2 | ||||||||||
| Guadalupian | Capitanian | Aparima | Flettian | 259.51 | |||||||
| Wordian | 264.28 | ||||||||||
| Barettian | 266 | ||||||||||
| Roadian | 266.9 | ||||||||||
| Cisuralian | Kungurian | 273.01 | |||||||||
| Mangapirian | 276 | ||||||||||
| Artinskian | 283.5 | ||||||||||
| Telfordian | 285 | ||||||||||
| 288.5 | |||||||||||
| Sakmarian | 290.1 | ||||||||||
| Asselian | 293.52 | ||||||||||
| Carboniferous | Pennsylvanian | Gzhelian | 298.9 | ||||||||
| Kasimovian | 303.7 | ||||||||||
| Moscovian | 307 | ||||||||||
| Bashkirian | 315.2 | ||||||||||
| Mississippian | Serpukhovian | 323.2 | |||||||||
| Visean | 330.9 | ||||||||||
| Tournaisian | 346.7 | ||||||||||
| Devonian | Late Devonian | Famennian | Famennian | 358.9 | |||||||
| Frasnian | Frasnian | 372.2 | |||||||||
| Middle Devonian | Givetian | Givetian | 382.7 | ||||||||
| Eifelian | Couvinien | 387.7 | |||||||||
| Early Devonian | Emsian | 393.3 | |||||||||
| Pragian | 407.6 | ||||||||||
| Coblencien | 408.2 * | ||||||||||
| Lochkovian | Gedinnine | 410.8 | |||||||||
| Silurian | Pridoli | 419.2 | |||||||||
| Ludlow | Ludfordian | 423 | |||||||||
| Gorstian | 425.6 | ||||||||||
| Wenlock | Homerian | 427.4 | |||||||||
| Sheinwoodian | 430.5 | ||||||||||
| Llandovery | Telychian | 433.4 | |||||||||
| Aeronian | 438.5 | ||||||||||
| Rhuddanian | 440.8 | ||||||||||
| Ordovician | Late Ordovician | Hirnantian | 443.8 | ||||||||
| Katian | 445.2 | ||||||||||
| Sandbian | 453 | ||||||||||
| Middle Ordovician | Darriwilian | 458.4 | |||||||||
| Dapingian | 467.3 | ||||||||||
| Early Ordovician | Floian | 470 | |||||||||
| Tremadocian | 477.7 | ||||||||||
| Cambrian | Furongian | Stage 10 | 485.4 | ||||||||
| Jiangshanian | 489.5 | ||||||||||
| Paibian | 494 | ||||||||||
| Miaolingian | Guzhangian | Series 3 † | 497 | ||||||||
| Drumian | 500.5 | ||||||||||
| Wuliuan | Stage 5 † | 504.5 | |||||||||
| 509 | |||||||||||