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User:Jntg4Games/Geologic time scale

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Mercury

[edit]

Eons

[edit]
Eon Base
Prenephelean Eon 13750
Chaotian Eon 4680
Mercurian Eon 4500

Eras

[edit]
Eon Era Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Mercurian Eon Eomercurian Era 4500
Neomercurian Era 3850

Periods

[edit]
Eon Eras Period Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Mercurian Eon Eomercurian Era Pretolstojan Period 4500
Tolstojan Period 3900
Neomercurian Era Calorian Period 3850
Mansurian Period 3000
Kuiperian Period 1000

Epochs

[edit]
Eon Era Period Epoch Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Mercurian Eon Eomercurian Era Pretolstojan Period 4500
Tolstojan Period 3900
Neomercurian Era Calorian Period Early Calorian Epoch 3850
Late Calorian Epoch 3800
Mansurian Period 3000
Kuiperian Period 1000

Venus

[edit]

Eons

[edit]
Eon Base
Prenephelean Eon 13750
Chaotian Eon 4680
Cytherean Eon 4500

Eras

[edit]
Eon Era Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Cytherean Eon Eocytherean Era 4500
Neocytherean Era 735

Periods

[edit]
Eon Era Period Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Cytherean Eon Eocytherean Era Prefortunian Period 4500
Fortunian Period 800
Neocytherean Era Guineverian Period 735
Aurelian Period 50

Epochs

[edit]
Eon Era Period Epoch Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Cytherean Eon Eocytherean Era Prefortunian Period 4500
Fortunian Period 800
Neocytherean Era Guineverian Period Sigrunian Epoch 735
Lavinian Epoch 642.5
Rusalkian Epoch 500
Atlian Epoch 275
Aurelian Period 50

Earth

[edit]

Supereons

[edit]
Supereon Base
Precambrian Supereon 13750
Phanerozoic Eon 542

Eons

[edit]
Supereon Eons Base
Precambrian Supereon Prenephelean Eon 13750
Chaotian Eon 4680
Hadean Eon 4500
Archean Eon 3900
Proterozoic Eon 2500
Phanerozoic Eon 542

Eras

[edit]
Supereon Eons Era Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Hadean Eon Paleohadean Era 4500
Mesohadean Era 4300
Neohadean Era 4100
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era 2500
Paleoproterozoic Era 2050
Mesoproterozoic Era 1600
Neoproterozoic Era 1000
Phanerozoic Eon Paleozoic Era 542
Mesozoic Era 251
Cenozoic Era 65.5

Suberas

[edit]
Supereon Eons Era Subera Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Hadean Eon Paleohadean Era 4500
Mesohadean Era 4300
Neohadean Era 4100
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era 2500
Paleoproterozoic Era 2050
Mesoproterozoic Era 1600
Neoproterozoic Era 1000
Phanerozoic Eon Paleozoic Era Eopaleozoic Subera 542
Neopaleozoic Subera 416
Mesozoic Era 251
Cenozoic Era Tertiary Subera 65.5
Quaternary Period 2.588

Periods

[edit]
Supereon Eons Era Subera Period Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Hadean Eon Paleohadean Era Hephaestean Period 4500
Jacobian Period 4400
Mesohadean Era Canadian Period 4300
Procrustean Period 4200
Neohadean Era Acastan Period 4100
Promethean Period 4000
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era Siderian Period 2500
Rhyacian Period 2300
Paleoproterozoic Era Orosirian Period 2050
Statherian Period 1800
Mesoproterozoic Era Calymmian Period 1600
Ectasian Period 1400
Stenian Period 1200
Neoproterozoic Era Tonian Period 1000
Cryogenian Period 850
Ediacaran Period 630
Phanerozoic Eon Paleozoic Era Eopaleozoic Subera Cambrian Period 542
Ordovician Period 488.3
Silurian Period 443.7
Neopaleozoic Subera Devonian Period 416
Carboniferous Period 359.2
Permian Period 299
Mesozoic Era Triassic Period 251
Jurassic Period 199.6
Cretaceous Period 65.5
Cenozoic Era Tertiary Subera Paleogene Period 65.5
Neogene Period 23.03
Quaternary Period 2.588

Subperiods

[edit]
Supereon Eons Era Subera Period Subperiod Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Hadean Eon Paleohadean Era Hephaestean Period 4500
Jacobian Period 4400
Mesohadean Era Canadian Period 4300
Procrustean Period 4200
Neohadean Era Acastan Period 4100
Promethean Period 4000
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era Siderian Period 2500
Rhyacian Period 2300
Paleoproterozoic Era Orosirian Period 2050
Statherian Period 1800
Mesoproterozoic Era Calymmian Period 1600
Ectasian Period 1400
Stenian Period 1200
Neoproterozoic Era Tonian Period 1000
Cryogenian Period 850
Ediacaran Period 630
Phanerozoic Eon Paleozoic Era Eopaleozoic Subera Cambrian Period 542
Ordovician Period 488.3
Silurian Period 443.7
Neopaleozoic Subera Devonian Period 416
Carboniferous Period Mississippian Subperiod 359.2
Pennsylvanian Subperiod 318.1
Permian Period 299
Mesozoic Era Triassic Period 251
Jurassic Period 199.6
Cretaceous Period 65.5
Cenozoic Era Tertiary Subera Paleogene Period 65.5
Neogene Period 23.03
Quaternary Period 2.588

Epochs

[edit]
Supereon Eons Era Subera Period Subperiod Epoch Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Hadean Eon Paleohadean Era Hephaestean Period 4500
Jacobian Period 4400
Mesohadean Era Canadian Period 4300
Procrustean Period 4200
Neohadean Era Acastan Period 4100
Promethean Period 4000
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era Siderian Period 2500
Rhyacian Period 2300
Paleoproterozoic Era Orosirian Period 2050
Statherian Period 1800
Mesoproterozoic Era Calymmian Period 1600
Ectasian Period 1400
Stenian Period 1200
Neoproterozoic Era Tonian Period 1000
Cryogenian Period 850
Ediacaran Period 630
Phanerozoic Eon Paleozoic Era Eopaleozoic Subera Cambrian Period Terreneuvian Epoch 542
Cambrian Epoch 2 521
Cambrian Epoch 3 510
Furongian Epoch 492
Ordovician Period Early Ordovician 488.3
Middle Ordovician 471.8
Late Ordovician 460.9
Silurian Period Llandovery Epoch 443.7
Wenlock Epoch 428.2
Ludlow Epoch 422.9
Pridoli Epoch 418.7
Neopaleozoic Subera Devonian Period Early Devonian Epoch 416
Middle Devonian Epoch 397.5
Late Devonian Epoch 385.3
Carboniferous Period Mississippian Subperiod Early Mississippian Epoch 359.2
Middle Mississippian Epoch 345.3
Late Mississippian Epoch 328.2
Pennsylvanian Subperiod Early Pennsylvanian Epoch 318.1
Middle Pennsylvanian Epoch 311.7
Late Pennsylvanian Epoch 307.2
Permian Period Cisuralian Epoch 299
Guadalupian Epoch 270.6
Lopingian Epoch 260.4
Mesozoic Era Triassic Period Early Triassic Epoch 251
Middle Triassic Epoch 245.9
Late Triassic Epoch 228.7
Jurassic Period Early Jurassic Epoch 199.6
Middle Jurassic Epoch 175.6
Late Jurassic Epoch 161.2
Cretaceous Period Early Cretaceous Epoch 65.5
Late Cretaceous Epoch 99.6
Cenozoic Era Tertiary Subera Paleogene Period Paleocene Epoch 65.5
Eocene Epoch 55.8
Oligocene Epoch 33.9
Neogene Period Miocene Epoch 23.03
Pliocene Epoch 5.332
Quaternary Period Pleistocene Epoch 2.588
Holocene Epoch 0.01777
Anthropocene Epoch 0.000212

Subepochs

[edit]
Supereon Eons Era Subera Period Subperiod Epoch Subepoch Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Hadean Eon Paleohadean Era Hephaestean Period 4500
Jacobian Period 4400
Mesohadean Era Canadian Period 4300
Procrustean Period 4200
Neohadean Era Acastan Period 4100
Promethean Period 4000
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era Siderian Period 2500
Rhyacian Period 2300
Paleoproterozoic Era Orosirian Period 2050
Statherian Period 1800
Mesoproterozoic Era Calymmian Period 1600
Ectasian Period 1400
Stenian Period 1200
Neoproterozoic Era Tonian Period 1000
Cryogenian Period 850
Ediacaran Period 630
Phanerozoic Eon Paleozoic Era Eopaleozoic Subera Cambrian Period Terreneuvian Epoch 542
Cambrian Epoch 2 521
Cambrian Epoch 3 510
Furongian Epoch 492
Ordovician Period Early Ordovician 488.3
Middle Ordovician 471.8
Late Ordovician 460.9
Silurian Period Llandovery Epoch 443.7
Wenlock Epoch 428.2
Ludlow Epoch 422.9
Pridoli Epoch 418.7
Neopaleozoic Subera Devonian Period Early Devonian Epoch 416
Middle Devonian Epoch 397.5
Late Devonian Epoch 385.3
Carboniferous Period Mississippian Subperiod Early Mississippian Epoch 359.2
Middle Mississippian Epoch 345.3
Late Mississippian Epoch 328.2
Pennsylvanian Subperiod Early Pennsylvanian Epoch 318.1
Middle Pennsylvanian Epoch 311.7
Late Pennsylvanian Epoch 307.2
Permian Period Cisuralian Epoch 299
Guadalupian Epoch 270.6
Lopingian Epoch 260.4
Mesozoic Era Triassic Period Early Triassic Epoch 251
Middle Triassic Epoch 245.9
Late Triassic Epoch 228.7
Jurassic Period Early Jurassic Epoch 199.6
Middle Jurassic Epoch 175.6
Late Jurassic Epoch 161.2
Cretaceous Period Early Cretaceous Epoch 65.5
Late Cretaceous Epoch 99.6
Cenozoic Era Tertiary Subera Paleogene Period Paleocene Epoch Early Paleocene Subepoch 65.5
Late Paleocene Subepoch 61.1
Eocene Epoch Early Eocene Subepoch 55.8
Middle Eocene Subepoch 48.6
Late Eocene Subepoch 37.2
Oligocene Epoch Early Oligocene Subepoch 33.9
Late Oligocene Subepoch 28.4
Neogene Period Miocene Epoch Early Miocene Subepoch 23.03
Middle Miocene Subepoch 15.97
Late Miocene Subepoch 11.608
Pliocene Epoch Early Pliocene Subepoch 5.332
Late Pliocene Subepoch 3.6
Quaternary Period Pleistocene Epoch Early Pleistocene Subepoch 2.588
Middle Pleistocene Subepoch 0.781
Late Pleistocene Subepoch 0.126
Holocene Epoch 0.01777
Anthropocene Epoch 0.000212

Ages

[edit]
Supereon Eon Era Subera Period Subperiod Epoch Subepoch Age Base
Precambrian Supereon Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Hadean Eon Paleohadean Era Hephaestean Period 4500
Jacobian Period 4400
Mesohadean Era Canadian Period 4300
Procrustean Period 4200
Neohadean Era Acastan Period 4100
Promethean Period 4000
Archean Eon Eoarchean Era 3900
Paleoarchean Era 3600
Mesoarchean Era 3200
Neoarchean Era 2800
Proterozoic Eon Eoproterozoic Era Siderian Period 2500
Rhyacian Period 2300
Paleoproterozoic Era Orosirian Period 2050
Statherian Period 1800
Mesoproterozoic Era Calymmian Period 1600
Ectasian Period 1400
Stenian Period 1200
Neoproterozoic Era Tonian Period 1000
Cryogenian Period 850
Ediacaran Period 630
Phanerozoic Eon Paleozoic Era Eopaleozoic Subera Cambrian Period Terreneuvian Epoch Fortunian Age 542
Cambrian Age 2 528
Cambrian Epoch 2 Cambrian Age 3 521
Cambrian Age 4 515
Cambrian Epoch 3 Cambrian Age 5 510
Drumian Age 506.5
Guzhangian Age 503
Furongian Epoch Paibian Age 499
Jiangshanian Age 496
Cambrian Age 10 492
Ordovician Period Early Ordovician Epoch Tremadocian Age 488.3
Floian Age 478.6
Middle Ordovician Epoch Dapingian Age 471.8
Darriwillian Age 468.1
Late Ordovician Epoch Sandbian Age 460.9
Katian Age 455.8
Hirnantian Age 445.6
Silurian Period Llandovery Epoch Rhuddanian Age 443.7
Aeronian Age 439
Telychian Age 436
Wenlock Epoch Sheinwoodian Age 428.2
Homerian Age 426.2
Ludlow Epoch Gorstian Age 422.9
Ludfordian Age 421.3
Pridoli Epoch 418.7
Neopaleozoic Subera Devonian Period Early Devonian Epoch Lockhovian Age 416
Pragian Age 411.2
Emsian Age 407
Middle Devonian Epoch Eifelian Age 397.5
Givetian Age 391.8
Late Devonian Epoch Frasnian Age 385.3
Famennian Age 374.5
Carboniferous Period Mississippian Subperiod Early Mississippian Epoch Tournaisian Age 359.2
Middle Mississippian Epoch Visean Age 345.3
Late Mississippian Epoch Serpukhovian Age 328.3
Pennsylvanian Subperiod Early Pennsylvanian Epoch Bashkirian Age 318.1
Middle Pennsylvanian Epoch Moscovian Age 311.7
Late Pennsylvanian Epoch Kasimovian Age 307.2
Gzhelian Age 303.4
Permian Period Cisuralian Epoch Asselian Age 299
Sakmarian Age 294.6
Artinskian Age 284.4
Kungrian Age 275.6
Guadalupian Epoch Roadian Age 270.6
Wordian Age 268
Capitanian Age 265.8
Lopingian Epoch Wuchiapingian Age 260.4
Changhsingian Age 253.8
Mesozoic Era Triassic Period Early Triassic Epoch Induan Age 251
Olenekian Age 249.5
Middle Triassic Epoch Anisian Age 245.9
Ladinian Age 237
Late Triassic Epoch Carnian Age 228.7
Norian Age 216.5
Rhaetian Age 203.6
Jurasic Period Early Jurassic Epoch Hettangian Age 199.6
Sinemurian Age 196.5
Pliensbachian Age 189.6
Toarcian Age 183
Middle Jurassic Epoch Aalenian Age 175.6
Bajocian Age 171.6
Bathonian Age 167.7
Callovian Age 164.7
Late Jurassic Epoch Oxfordian Age 161.2
Kimmeridgian Age 155.6
Tithonian Age 150.8
Cretaceous Period Early Cretaceous Epoch Berriasian Age 145.5
Valanginian Age 140.2
Hauterivian Age 133.9
Barremian Age 130
Aptian Age 125
Albian Age 112
Late Cretaceous Epoch Cenomanian Age 99.6
Turonian Age 93.6
Coniacian Age 88.6
Santonian Age 85.8
Campanian Age 83.5
Maastrichtian Age 70.6
Cenozoic Era Tertiary Subera Paleogene Period Paleocene Epoch Early Paleocene Subepoch Danian Age 65.5
Late Paleocene Subepoch Selandian Age 61.1
Thanetian Age 58.7
Eocene Epoch Early Eocene Subepoch Ypresian Age 55.8
Middle Eocene Subepoch Lutetian Age 48.6
Bartonian Age 40.4
Late Eocene Subepoch Priabonian Age 37.2
Oligocene Epoch Early Oligocene Subepoch Rupelian Age 33.9
Late Oligocene Subepoch Chattian Age 28.4
Neogene Period Miocene Epoch Early Miocene Subepoch Aquitanian Age 23.03
Burdigalian Age 20.43
Middle Miocene Subepoch Langhian Age 15.97
Serravallian Age 13.82
Late Miocene Subepoch Tortonian Age 11.608
Messinian Age 7.246
Pliocene Epoch Early Pliocene Subepoch Zanclean Age 5.332
Late Pliocene Subepoch Piacenzian Age 3.6
Quaternary Period Pleistocene Epoch Early Pleistocene Subepoch Gelasian Age 2.588
Calabrian Age 1.806
Middle Pleistocene Subepoch Ionian Age 0.781
Late Pleistocene Subepoch Tarantian Age 0.126
Holocene Epoch 0.0117
Anthropocene Epoch 0.000212

Moon

[edit]

Eons

[edit]
Eon Base
Prenephelean Eon 13750
Chaotian Eon 4680
Lunarian Eon 4500

Eras

[edit]
Eon Era Base
Prenphelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Lunarian Eon Eolunarian Era 4500
Neolunarian Era 3200

Periods

[edit]
Eon Era Period Base
Prenphelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4500
Lunarian Eon Eolunarian Era Prenectarian Period 4500
Nectarian Period 3920
Imbrian Period 3850
Neolunarian Era Eratosthenian Period 3200
Copernican Period 1100

Epoch

[edit]
Eon Era Period Epoch Base
Prenphelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4500
Lunarian Eon Eolunarian Era Prenectarian Period Cryptic Epoch 4500
Basin Groups Epoch 4172
Nectarian Period 3920
Imbrian Period Early Imbrian Epoch 3850
Late Imbrian Epoch 3800
Neolunarian Era Eratosthenian Period 3200
Copernican Period 1100

Mars

[edit]

Crater Density

[edit]

Eons

[edit]
Eon Base
Prenephelean Eon 13750
Chaotian Eon 4680
Arean Eon 4500

Eras

[edit]
Eon Era Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Arean Eon Eoarean Era 4500
Neoarean Era 3700

Periods

[edit]
Eon Era Period Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Arean Eon Eoarean Era Prenoachian Period 4500
Noachian Period 4100
Neoarean Era Hesperian Period 3700
Amazonian Period 3000

Epochs

[edit]
Eon Era Period Epoch Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Arean Eon Eoarean Era Prenoachian Period 4500
Noachian Period Early Noachian Epoch 4100
Middle Noachian Epoch 3930
Late Noachian Epoch 3820
Neoarean Era Hesperian Period Early Hesperian Epoch 3700
Late Hesperian Epoch 3400
Amazonian Period Early Amazonian Epoch 3000
Middle Amazonian Epoch 1400
Late Amazonian Epoch 300

Mineral Alteration

[edit]

Eons

[edit]
Eon Base
Prenephelean Eon 13750
Chaotian Eon 4680
Arean Eon 4500

Eras

[edit]
Eon Era Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era 13600
Chaotian Eon Eochaotian Era 4680
Neochaotian Era 4567
Arean Eon 4500

Periods

[edit]
Eon Era Period Base
Prenephelean Eon Eoprenephelean Era 13750
Neoprenephelean Era
Chaotian Eon Eochaotian Era Nephelean Period 4680
Erebrean Period 4630
Neochaotian Era Hyperitian Period 4567
Titanomachean Period 4560
Arean Eon Phyllocian Period 4500
Theiikian Period 4000
Siderikan Period 3500

Inter-planetary

[edit]

Periods

[edit]
Mercury Venus Earth Moon Mars Base
Eoprenephelean Era 13750
Neoprenephelean Era 13600
Nephelean Period 4680
Erebrean Period 4630
Hyperitian Period 4567
Titanomachean Period 4500
Pretolstojan Period Prefortunian Period Hephaestean Period Prenectarian Period Prenoachian Period 4500
Jacobian Period 4400
Canadian Period 4300
Procrustean Period 4200
Acastan Period Noachian Period 4100
Promethean Period 4000
Nectarian Period 3920
Tolstojan Period Eoarchean Era 3900
Calorian Period Imbrian Period 3850
Hesperian Period 3700
Paleoarchean Era 3600
Mesoarchean Era Eratosthenian Period 3200
Mansurian Period Amazonian Period 3000
Neoarchean Era 2800
Siderian Period 2500
Rhyacian Period 2300
Orosirian Period 2050
Statherian Period 1800
Calymmian Period 1600
Ectasian Period 1400
Stenian Period 1200
Copernican Period 1100
Kuiperian Period Tonian Period 1000
Cryogenian Period 850
Fortunian Period 800
Guineverian Period 735
Ediacaran Period 630
Cambrian Period 542
Ordovician Period 488.3
Silurian Period 443.7
Devonian Period 416
Carboniferous Period 359.2
Permian Period 299
Triassic Period 251
Jurassic Period 199.6
Cretaceous Period 145.5
Paleogene Period 65.5
Aurelian Period 50
Neogene Period 23.03
Quaternary 2.558