Eon/Era |
Period |
Series/Epoch |
Stage/Age |
Start, million years ago |
Precambrian Supereon |
|
|
|
|
Hadean /Cryptic |
|
|
|
4570 |
Hadean /Basin Groups |
|
|
|
4150 |
Hadean /Nectarian |
|
|
|
3920 |
Hadean /Lower Imbrian |
|
|
|
3850 |
Archean /Eoarchean |
|
|
|
3800 |
Archean /Paleoarchean |
|
|
|
3600 |
Archean /Mesoarchean |
|
|
|
3200 |
Archean /Neoarchean |
|
|
|
2800 |
Proterozoic /Paleoproterzoic |
Siderian |
|
|
2500 |
Proterozoic /Paleoproterzoic |
Rhyacian |
|
|
2300 |
Proterozoic /Paleoproterzoic |
Orosirian |
|
|
2050 |
Proterozoic /Paleoproterzoic |
Statherian |
|
|
1800 |
Proterozoic /Mesoproterozoic |
Calymmian |
|
|
1600 |
Proterozoic /Mesoproterozoic |
Ectasian |
|
|
1400 |
Proterozoic /Mesoproterozoic |
Stenian |
|
|
1200 |
Proterozoic /Neoproterozoic |
Tonian |
|
|
1000 |
Proterozoic /Neoproterozoic |
Cryogenian |
|
|
850 |
Proterozoic /Neoproterozoic |
Ediacaran |
|
|
630 |
Phanerozoic /Paleozoic |
Cambrian |
Lower Early |
Waucoban |
542 |
Phanerozoic /Paleozoic |
Cambrian |
Lower Early |
Tommotian |
542 |
Phanerozoic /Paleozoic |
Cambrian |
Lower Early |
Atdabanian |
542 |
Phanerozoic /Paleozoic |
Cambrian |
Lower Early |
Botomian |
542 |
Phanerozoic /Paleozoic |
Cambrian |
Middle |
Albertan |
513 |
Phanerozoic /Paleozoic |
Cambrian |
Furongian |
Paibian |
501 |
Phanerozoic /Paleozoic |
Cambrian |
Furongian |
Ibexian |
501 |
Phanerozoic /Paleozoic |
Cambrian |
Furongian |
Ayusokkanian |
501 |
Phanerozoic /Paleozoic |
Cambrian |
Furongian |
Sakian |
501 |
Phanerozoic /Paleozoic |
Cambrian |
Furongian |
Aksayan |
501 |
Phanerozoic /Paleozoic |
Ordovician |
Lower Early |
Arenig |
488 |
Phanerozoic /Paleozoic |
Ordovician |
Lower Early |
tremadocian |
488 |
Phanerozoic /Paleozoic |
Ordovician |
Middle |
Darriwilian |
471 |
Phanerozoic /Paleozoic |
Ordovician |
Upper Late |
Hirnantian |
460 |
Phanerozoic /Paleozoic |
Silurian |
Alexandrian |
Bhuddanian |
443 |
Phanerozoic /Paleozoic |
Silurian |
Alexandrian |
Aeronian |
439 |
Phanerozoic /Paleozoic |
Silurian |
Llandovery |
Telychian |
436 |
Phanerozoic /Paleozoic |
Silurian |
Llandovery |
Ontarian |
436 |
Phanerozoic /Paleozoic |
Silurian |
Wenlock |
Tonawandan |
428 |
Phanerozoic /Paleozoic |
Silurian |
Wenlock |
Sheinwoodian |
428 |
Phanerozoic /Paleozoic |
Silurian |
Wenlock |
Lockportian |
428 |
Phanerozoic /Paleozoic |
Silurian |
Wenlock |
Homerian |
426 |
Phanerozoic /Paleozoic |
Silurian |
Ludlow/ Cayugan |
Gorstian |
422 |
Phanerozoic /Paleozoic |
Silurian |
Ludlow/ Cayugan |
Ludfordian |
421 |
Phanerozoic /Paleozoic |
Silurian |
Pridoli |
|
418 |
Phanerozoic /Paleozoic |
Devonian |
Lower/ Early |
Lochkovian |
416 |
Phanerozoic /Paleozoic |
Devonian |
Lower/ Early |
Pragian |
411 |
Phanerozoic /Paleozoic |
Devonian |
Lower/ Early |
Emsian |
407 |
Phanerozoic /Paleozoic |
Devonian |
Middle |
Eifelian |
397 |
Phanerozoic /Paleozoic |
Devonian |
Middle |
Givetian |
391 |
Phanerozoic /Paleozoic |
Devonian |
Upper/ Late |
Frasnian |
385 |
Phanerozoic /Paleozoic |
Devonian |
Upper/ Late |
Famennian |
374 |
Phanerozoic /Paleozoic |
Carboniferous/ Mississippian |
Lower/ Early |
Tournaisian |
359 |
Phanerozoic /Paleozoic |
Carboniferous/ Mississippian |
Middle |
Visean |
345 |
Phanerozoic /Paleozoic |
Carboniferous/ Mississippian |
Upper/ Late |
Serpukhovian |
385 |
Phanerozoic /Paleozoic |
Carboniferous/ Pennsylvanian |
Lower/ Early |
Bashkirian |
318 |
Phanerozoic /Paleozoic |
Carboniferous/ Pennsylvanian |
Middle |
Moscovian |
311 |
Phanerozoic /Paleozoic |
Carboniferous/ Pennsylvanian |
Upper/ Late |
Kasimovian |
306 |
Phanerozoic /Paleozoic |
Carboniferous/ Pennsylvanian |
Upper/ Late |
Gzhelian |
303 |
Phanerozoic /Paleozoic |
Permian |
Cisuralian |
Asselian |
299 |
Phanerozoic /Paleozoic |
Permian |
Cisuralian |
Sakmarian |
294 |
Phanerozoic /Paleozoic |
Permian |
Cisuralian |
Artinskian |
284 |
Phanerozoic /Paleozoic |
Permian |
Cisuralian |
Kungurian |
275 |
Phanerozoic /Paleozoic |
Permian |
Guadalupian |
Roadian/ Ufimian |
270 |
Phanerozoic /Paleozoic |
Permian |
Guadalupian |
Wordian/ Kazanian |
268 |
Phanerozoic /Paleozoic |
Permian |
Guadalupian |
Capitanian |
265 |
Phanerozoic /Paleozoic |
Permian |
Lopingian |
Wuchiapingian |
260 |
Phanerozoic /Paleozoic |
Permian |
Lopingian |
Changhsingian |
253 |
Phanerozoic /Mesozoic |
Triassic |
Seythian |
Induan |
251 |
Phanerozoic /Mesozoic |
Triassic |
Middle |
Anisian |
245 |
Phanerozoic /Mesozoic |
Triassic |
Middle |
Ladinian |
237 |
Phanerozoic /Mesozoic |
Triassic |
Upper/ Late |
Carnian |
228 |
Phanerozoic /Mesozoic |
Triassic |
Upper/ Late |
Norian |
216 |
Phanerozoic /Mesozoic |
Triassic |
Upper/ Late |
Rhaetian |
203 |
Phanerozoic /Mesozoic |
Jurassic |
Lower/ Early |
Hettangian |
199 |
Phanerozoic /Mesozoic |
Jurassic |
Lower/ Early |
Sinemurian |
196 |
Phanerozoic /Mesozoic |
Jurassic |
Lower/ Early |
Pliensbachian |
189 |
Phanerozoic /Mesozoic |
Jurassic |
Lower/ Early |
Toarcian |
183 |
Phanerozoic /Mesozoic |
Jurassic |
Middle |
Aalenian |
175 |
Phanerozoic /Mesozoic |
Jurassic |
Middle |
Bajocian |
171 |
Phanerozoic /Mesozoic |
Jurassic |
Middle |
Bathonian |
167 |
Phanerozoic /Mesozoic |
Jurassic |
Middle |
Callovian |
164 |
Phanerozoic /PMesozoic |
Jurassic |
Upper/ Late |
Oxfordian |
161 |
Phanerozoic /Mesozoic |
Jurassic |
Upper/ Late |
Kimmeridgian |
155 |
Phanerozoic /Mesozoic |
Jurassic |
Upper/ Late |
Tithonian |
150 |
Phanerozoic /Mesozoic |
Cretaceous |
Lower/ Early |
Berriasian |
145 |
Phanerozoic /Mesozoic |
Cretaceous |
Lower/ Early |
Valanginian |
140 |
Phanerozoic /Mesozoic |
Cretaceous |
Lower/ Early |
Hauterivian |
136 |
Phanerozoic /Mesozoic |
Cretaceous |
Lower/ Early |
Barremian |
130 |
Phanerozoic /Mesozoic |
Cretaceous |
Lower/ Early |
Aptian |
125 |
Phanerozoic /Mesozoic |
Cretaceous |
Lower/ Early |
Albian |
112 |
Phanerozoic /Mesozoic |
Cretaceous |
Upper/ Late |
Cenomanian |
|
Phanerozoic /Mesozoic |
Cretaceous |
Upper/ Late |
Turonian |
93 |
Phanerozoic /Mesozoic |
Cretaceous |
Upper/ Late |
Coniacian |
89 |
Phanerozoic /Mesozoic |
Cretaceous |
Upper/ Late |
Santonian |
85 |
Phanerozoic /Mesozoic |
Cretaceous |
Upper/ Late |
Campanian |
83 |
Phanerozoic /Mesozoic |
Cretaceous |
Upper/ Late |
Maastrichtian |
70 |
Phanerozoic /Cenozoic |
Paleogene |
Paleocene |
Danian |
65 |
Phanerozoic /Cenozoic |
Paleogene |
Paleocene |
Selandian |
61 |
Phanerozoic /Cenozoic |
Paleogene |
Paleocene |
Thanetian |
58 |
Phanerozoic /Cenozoic |
Paleogene |
Eocene |
Ypresian |
55 |
Phanerozoic /Cenozoic |
Paleogene |
Eocene |
Lutetian |
46 |
Phanerozoic /Cenozoic |
Paleogene |
Eocene |
Barthonian |
40 |
Phanerozoic /Cenozoic |
Paleogene |
Eocene |
Priabonian |
37 |
Phanerozoic /Cenozoic |
Paleogene |
Oligocene |
Rupelian |
33 |
Phanerozoic /Cenozoic |
Paleogene |
Oligocene |
Chattian |
28 |
Phanerozoic /Cenozoic |
Neogene |
Miocene |
Aquitanian |
23 |
Phanerozoic /Cenozoic |
Neogene |
Miocene |
Burdigalian |
20 |
Phanerozoic /Cenozoic |
Neogene |
Miocene |
Langhian |
15 |
Phanerozoic /Cenozoic |
Neogene |
Miocene |
Serravallian |
13 |
Phanerozoic /Cenozoic |
Neogene |
Miocene |
Tortonian |
11 |
Phanerozoic /Cenozoic |
Neogene |
Miocene |
Messinian |
7 |
Phanerozoic /Cenozoic |
Neogene |
Pliocene |
Zanclean |
5 |
Phanerozoic /Cenozoic |
Neogene |
Pliocene |
Piacenzian/ Blancan |
3 |
Phanerozoic /Cenozoic |
Neogene |
Pleistocene |
Gelasian |
2.5 |
Phanerozoic /Cenozoic |
Neogene |
Pleistocene |
Early |
1.8 |
Phanerozoic /Cenozoic |
Neogene |
Pleistocene |
Middle |
0.5 |
Phanerozoic /Cenozoic |
Neogene |
Pleistocene |
Tyrrhenian |
0.12 |
Phanerozoic /Cenozoic |
Neogene |
Holocene |
Quarternary |
0.1 |