Devonian of Eastern North America
The interval definitions in this timescale are derived from the following sources:
- F. M. Gradstein, J. G. Ogg, and A. G. Smith. 2004. A Geologic Time Scale 2004 1-589 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
There are 6 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.
This timescale is used in the definition of 64 collections
| International Chronostratigraphic Timescale | Devonian of Eastern North America | Ten Million Year Bins | Devonian of France | ||||
|---|---|---|---|---|---|---|---|
| Quaternary | Holocene | Meghalayan | Cenozoic 6 | 0 | |||
| Northgrippian | 0.0042 | ||||||
| Greenlandian | 0.0082 | ||||||
| Pleistocene | Late Pleistocene | 0.0117 | |||||
| Chibanian | 0.129 | ||||||
| Calabrian | 0.774 | ||||||
| Gelasian | 1.8 | ||||||
| Neogene | Pliocene | Piacenzian | 2.58 | ||||
| Zanclean | 3.6 | ||||||
| Miocene | Messinian | 5.333 | |||||
| Tortonian | 7.246 | ||||||
| Serravallian | Cenozoic 5 | 11.63 | |||||
| Langhian | 13.82 | ||||||
| Burdigalian | 15.98 | ||||||
| Aquitanian | 20.44 | ||||||
| Paleogene | Oligocene | Chattian | Cenozoic 4 | 23.03 | |||
| Rupelian | 27.82 | ||||||
| Eocene | Priabonian | Cenozoic 3 | 33.9 | ||||
| Bartonian | 37.71 | ||||||
| Lutetian | Cenozoic 2 | 41.2 | |||||
| Ypresian | 47.8 | ||||||
| Paleocene | Thanetian | Cenozoic 1 | 56 | ||||
| Selandian | 59.2 | ||||||
| Danian | 61.6 | ||||||
| Cretaceous | Late Cretaceous | Maastrichtian | Cretaceous 8 | 66 | |||
| Campanian | Cretaceous 7 | 72.1 | |||||
| Santonian | Cretaceous 6 | 83.6 | |||||
| Coniacian | 86.3 | ||||||
| Turonian | 89.8 | ||||||
| Cenomanian | Cretaceous 5 | 93.9 | |||||
| Early Cretaceous | Albian | Cretaceous 4 | 100.5 | ||||
| Aptian | Cretaceous 3 | 113 | |||||
| Barremian | Cretaceous 2 | 121.4 | |||||
| Hauterivian | 125.77 | ||||||
| Valanginian | Cretaceous 1 | 132.6 | |||||
| Berriasian | 139.8 | ||||||
| Jurassic | Late Jurassic | Tithonian | Jurassic 6 | 145 | |||
| Kimmeridgian | Jurassic 5 | 149.2 | |||||
| Oxfordian | 154.8 | ||||||
| Middle Jurassic | Callovian | 161.5 | |||||
| Bathonian | Jurassic 4 | 165.3 | |||||
| Bajocian | 168.2 | ||||||
| Aalenian | Jurassic 3 | 170.9 | |||||
| Early Jurassic | Toarcian | 174.7 | |||||
| Pliensbachian | Jurassic 2 | 184.2 | |||||
| Sinemurian | Jurassic 1 | 192.9 | |||||
| Hettangian | 199.5 | ||||||
| Triassic | Late Triassic | Rhaetian | Triassic 4 | 201.4 | |||
| Norian | 208.5 | ||||||
| Carnian | Triassic 3 | 227 | |||||
| Middle Triassic | Ladinian | Triassic 2 | 237 | ||||
| Anisian | 242 | ||||||
| Early Triassic | Olenekian | Triassic 1 | 247.2 | ||||
| Induan | 251.2 | ||||||
| Permian | Lopingian | Changhsingian | Permian 4 | 251.902 | |||
| Wuchiapingian | 254.14 | ||||||
| Guadalupian | Capitanian | 259.51 | |||||
| Wordian | 264.28 | ||||||
| Roadian | Permian 3 | 266.9 | |||||
| Cisuralian | Kungurian | Permian 2 | 273.01 | ||||
| Artinskian | 283.5 | ||||||
| Sakmarian | 290.1 | ||||||
| Asselian | Permian 1 | 293.52 | |||||
| Carboniferous | Pennsylvanian | Gzhelian | Carboniferous 5 | 298.9 | |||
| Kasimovian | 303.7 | ||||||
| Moscovian | Carboniferous 4 | 307 | |||||
| Bashkirian | 315.2 | ||||||
| Mississippian | Serpukhovian | Carboniferous 3 | 323.2 | ||||
| Visean | Carboniferous 2 | 330.9 | |||||
| Tournaisian | Carboniferous 1 | 346.7 | |||||
| Devonian | Late Devonian | Famennian | Conewangan/Conneautan/Canadaway | Devonian 5 | Famennian | 358.9 | |
| Frasnian | West Fallsian/Sonyean | Devonian 4 | Frasnian | 372.2 | |||
| Middle Devonian | Givetian | Geneseean/Taghanican/Tioughniogan | Cazenovian | Devonian 3 | Givetian | 382.7 | |
| Eifelian | Southwoodian | Couvinien | 387.7 | ||||
| Early Devonian | Emsian | Sawkillian/Deer Parkian | Helderbergian | Devonian 2 | 393.3 | ||
| Pragian | Devonian 1 | 407.6 | |||||
| Coblencien | 408.2 * | ||||||
| Lochkovian | Gedinnine | 410.8 | |||||
| Silurian | Pridoli | Silurian 2 | 419.2 | ||||
| Ludlow | Ludfordian | 423 | |||||
| Gorstian | 425.6 | ||||||
| Wenlock | Homerian | 427.4 | |||||
| Sheinwoodian | 430.5 | ||||||
| Llandovery | Telychian | Silurian 1 | 433.4 | ||||
| Aeronian | 438.5 | ||||||
| Rhuddanian | 440.8 | ||||||
| Ordovician | Late Ordovician | Hirnantian | Ordovician 5 | 443.8 | |||
| Katian | 445.2 | ||||||
| Sandbian | Ordovician 4 | 453 | |||||
| Middle Ordovician | Darriwilian | Ordovician 3 | 458.4 | ||||
| Dapingian | Ordovician 2 | 467.3 | |||||
| Early Ordovician | Floian | 470 | |||||
| Tremadocian | Ordovician 1 | 477.7 | |||||
| Cambrian | Furongian | Stage 10 | Cambrian 5 | 485.4 | |||
| Jiangshanian | 489.5 | ||||||
| Paibian | 494 | ||||||
| Miaolingian | Guzhangian | Cambrian 4 | 497 | ||||
| Drumian | 500.5 | ||||||
| Wuliuan | Cambrian 3 | 504.5 | |||||
| Series 2 | Stage 4 | 509 | |||||
| Stage 3 | Cambrian 2 | 514 | |||||
| Terreneuvian | Stage 2 | 521 | |||||
| Fortunian | Cambrian 1 | 529 | |||||
| 538.8 | |||||||