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
There are 55 timescales which overlap this one. show
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 | |||||
|---|---|---|---|---|---|---|
| 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 | 23.03 | |||
| Rupelian | 27.82 | |||||
| Eocene | Priabonian | 33.9 | ||||
| Bartonian | 37.71 | |||||
| Lutetian | 41.2 | |||||
| Ypresian | 47.8 | |||||
| Paleocene | Thanetian | 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 | 145 | |||
| Kimmeridgian | 149.2 | |||||
| Oxfordian | 154.8 | |||||
| Middle Jurassic | Callovian | 161.5 | ||||
| Bathonian | 165.3 | |||||
| Bajocian | 168.2 | |||||
| Aalenian | 170.9 | |||||
| Early Jurassic | Toarcian | 174.7 | ||||
| Pliensbachian | 184.2 | |||||
| Sinemurian | 192.9 | |||||
| Hettangian | 199.5 | |||||
| Triassic | Late Triassic | Rhaetian | 201.4 | |||
| Norian | 208.5 | |||||
| Carnian | 227 | |||||
| Middle Triassic | Ladinian | 237 | ||||
| Anisian | 242 | |||||
| Early Triassic | Olenekian | 247.2 | ||||
| Induan | 251.2 | |||||
| Permian | Lopingian | Changhsingian | 251.902 | |||
| Wuchiapingian | Longtanian † | 254.14 | ||||
| Guadalupian | Capitanian | 259.51 | ||||
| Wordian | 264.28 | |||||
| Roadian | 266.9 | |||||
| Cisuralian | Kungurian | 273.01 | ||||
| Artinskian | 283.5 | |||||
| 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 | 358.9 | |||
| Frasnian | 372.2 | |||||
| Middle Devonian | Givetian | 382.7 | ||||
| Eifelian | 387.7 | |||||
| Early Devonian | Emsian | 393.3 | ||||
| Pragian | 407.6 | |||||
| Lochkovian | 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 | ||||||