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Download the CSS file (version 2.0).
This table (and the CSS file) shows all units defined in the International Stratigraphic Chart (2009), except the Precambrian “super-eon”.
| Eonothem | Erathem | System | Series | Stage | begins | GSSP/ | |
|---|---|---|---|---|---|---|---|
| Eon | Era | Period | Epoch | Age | (Ma b.p.) | GSSA | |
| Phanerozoic | Cenozoic | Quaternary | Holocene | 0.0117 |
GSSP |
||
| Pleistocene | Upper Pleistocene | 0.126 |
|||||
| Ionian | 0.781 |
||||||
| Calabrian | 1.806 |
GSSP |
|||||
| Gelasian | 2.588 |
GSSP |
|||||
| Neogene | Pliocene | Piacenzian | 3.600 |
GSSP |
|||
| Zanclean | 5.322 |
GSSP |
|||||
| Miocene | Messinian | 7.246 |
GSSP |
||||
| Tortonian | 11.608 |
GSSP |
|||||
| Serravallian | 13.82 |
GSSP |
|||||
| Langhian | 15.97 |
||||||
| Burdigalian | 20.43 |
||||||
| Aquitanian | 23.03 |
GSSP |
|||||
| Paleogene | Oligocene | Chattian | 28.4 ± 0.1 |
||||
| Rupelian | 33.9 ± 0.1 |
GSSP |
|||||
| Eocene | Priabonian | 37.2 ± 0.1 |
|||||
| Bartonian | 40.4 ± 0.2 |
||||||
| Lutetian | 48.6 ± 0.2 |
||||||
| Ypresian | 55.8 ± 0.2 |
GSSP |
|||||
| Paleocene | Thanetian | 58.7 ± 0.2 |
GSSP |
||||
| Selandian | ≈61.1 |
GSSP |
|||||
| Danian | 65.5 ± 0.3 |
GSSP |
|||||
| Mesozoic | Cretaceous | Upper Cretaceous | Maastrichtian | 70.6 ± 0.6 |
GSSP |
||
| Campanian | 83.5 ± 0.7 |
||||||
| Santonian | 85.8 ± 0.7 |
||||||
| Coniacian | ≈88.6 |
||||||
| Turonian | 93.6 ± 0.8 |
GSSP |
|||||
| Cenomanian | 99.6 ± 0.9 |
GSSP |
|||||
| Lower Cretaceous | Albian | 112.0 ± 1.0 |
|||||
| Aptian | 125.0 ± 1.0 |
||||||
| Barremian | 130.0 ± 1.5 |
||||||
| Hauterivian | ≈133.9 |
||||||
| Valanginian | 140.2 ± 3.0 |
||||||
| Berriasian | 145.5 ± 4.0 |
||||||
| Jurassic | Upper Jurassic | Tithonian | 150.8 ± 4.0 |
||||
| Kimmeridgian | ≈155.6 |
||||||
| Oxfordian | 161.2 ± 4.0 |
||||||
| Middle Jurassic | Callovian | 164.7 ± 4.0 |
|||||
| Bathonian | 167.7 ± 4.0 |
GSSP |
|||||
| Bajocian | 171.6 ± 3.0 |
GSSP |
|||||
| Aalenian | 175.6 ± 2.0 |
GSSP |
|||||
| Lower Jurassic | Toarcian | 183.0 ± 1.5 |
|||||
| Pliensbachian | 189.6 ± 1.5 |
GSSP |
|||||
| Sinemurian | 196.5 ± 1.0 |
GSSP |
|||||
| Hettangian | 199.6 ± 0.6 |
||||||
| Triassic | Upper Triassic | Rhaetian | 203.6 ± 1.5 |
||||
| Norian | 216.5 ± 2.0 |
||||||
| Carnian | ≈228.7 |
GSSP |
|||||
| Middle Triassic | Ladinian | 237.0 ± 2.0 |
GSSP |
||||
| Anisian | ≈245.9 |
||||||
| Lower Triassic | Olenekian | ≈249.5 |
|||||
| Induan | 251.0 ± 0.4 |
GSSP |
|||||
| Paleozoic | Permian | Lopingian | Changhsingian | 253.8 ± 0.7 |
GSSP |
||
| Wuchiapingian | 260.4 ± 0.7 |
GSSP |
|||||
| Guadalupian | Capitanian | 265.8 ± 0.7 |
GSSP |
||||
| Wordian | 268.0 ± 0.7 |
GSSP |
|||||
| Roadian | 270.6 ± 0.7 |
||||||
| Cisuralian | Kungurian | 275.6 ± 0.7 |
|||||
| Artinskian | 284.4 ± 0.7 |
||||||
| Sakmarian | 294.6 ± 0.8 |
||||||
| Asselian | 299.0 ± 0.8 |
GSSP |
|||||
| Carboniferous | Pennsylvanian | Upper Pennsylvanian | Gzhelian | 303.4 ± 0.9 |
|||
| Kasimovian | 307.2 ± 1.0 |
||||||
| Middle Pennsylvanian | Moscovian | 311.7 ± 1.1 |
|||||
| Lower Pennsylvanian | Bashkirian | 318.1 ± 1.3 |
GSSP |
||||
| Mississippian | Upper Mississippian | Serpukhovian | 328.3 ± 1.6 |
||||
| Middle Mississippian | Visean | 345.3 ± 2.1 |
GSSP |
||||
| Lower Mississippian | Tournaisian | 359.2 ± 2.5 |
GSSP |
||||
| Devonian | Upper Devonian | Famennian | 374.5 ± 2.6 |
GSSP |
|||
| Frasnian | 374.5 ± 2.6 |
GSSP |
|||||
| Middle Devonian | Givetian | 391.8 ± 2.7 |
GSSP |
||||
| Eifelian | 397.5 ± 2.7 |
GSSP |
|||||
| Lower Devonian | Emsian | 407.0 ± 2.8 |
GSSP |
||||
| Pragian | 411.2 ± 2.8 |
GSSP |
|||||
| Lochkovian | 416.0 ± 2.8 |
GSSP |
|||||
| Silurian | Pridoli | 418.7 ± 2.7 |
GSSP |
||||
| Ludlow | Ludfordian | 421.3 ± 2.6 |
GSSP |
||||
| Gorstian | 422.9 ± 2.5 |
GSSP |
|||||
| Wenlock | Homerian | 426.2 ± 2.4 |
GSSP |
||||
| Sheinwoodian | 428.2 ± 2.3 |
GSSP |
|||||
| Llandovery | Telychian | 436.0 ± 1.9 |
GSSP |
||||
| Aeronian | 439.0 ± 1.8 |
GSSP |
|||||
| Rhuddanian | 443.7 ± 1.5 |
GSSP |
|||||
| Ordovician | Upper Ordovician | Hirnantian | 445.6 ± 1.5 |
GSSP |
|||
| Katian | 455.8 ± 1.6 |
GSSP |
|||||
| Sandbian | 460.9 ± 1.6 |
GSSP |
|||||
| Middle Ordovician | Darriwilian | 468.1 ± 1.6 |
GSSP |
||||
| Dapingian | 471.8 ± 1.6 |
GSSP |
|||||
| Lower Ordovician | Floian | 478.6 ± 1.7 |
GSSP |
||||
| Tremadocian | 488.3 ± 1.7 |
GSSP |
|||||
| Cambrian | Furongian | Cambrian Stage 10 | ≈492* |
||||
| Cambrian Stage 9 | ≈496* |
||||||
| Paibian | ≈499 |
GSSP |
|||||
| Cambrian Series 3 | Guzhangian | ≈503 |
GSSP |
||||
| Drumian | ≈506.5 |
GSSP |
|||||
| Cambrian Stage 5 | ≈510* |
||||||
| Cambrian Series 2 | Cambrian Stage 4 | ≈515* |
|||||
| Cambrian Stage 3 | ≈521* |
||||||
| Terreneuvian | Cambrian Stage 2 | ≈528* |
|||||
| Fortunian | 542.0 ± 1.0 |
GSSP |
|||||
| Proterozoic | Neoproterozoic | Ediacaran | ≈635 |
GSSP |
|||
| Cryogenian | 850 |
GSSA |
|||||
| Tonian | 1000 |
GSSA |
|||||
| Mesoproterozoic | Stenian | 1200 |
GSSA |
||||
| Ectasian | 1400 |
GSSA |
|||||
| Calymmian | 1600 |
GSSA |
|||||
| Paleoproterozoic | Statherian | 1800 |
GSSA |
||||
| Orosirian | 2050 |
GSSA |
|||||
| Rhyacian | 2300 |
GSSA |
|||||
| Siderian | 2500 |
GSSA |
|||||
| Archean | Neoarchean | 2800 |
GSSA |
||||
| Mesoarchean | 3200 |
GSSA |
|||||
| Paleoarchean | 3600 |
GSSA |
|||||
| Eoarchean | 4000 |
||||||
| Hadean (informal) | ≈4600 |
||||||