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Paleozoic Era
Cambrian Period
Ordovician Period
Silurian Period
Devonian Period
Carboniferous Period
Permian Period


Mesozoic Era

Triassic Period
Jurassic Period
Cretaceous Period


Cenozoic Era
Paleogene
Holocene
Quaternary

Precambrian
Hadean
Archaean
Proterozoic
ED


Below the chart, you will find links to lesson plans and activities for kids related to the geologic time line.

Eon
Era
Period
Epoch
Old Periods

Phanerozoic
Eon

543 mya to Present

Cenozoic Era
65 mya to Present
Holocene

Quaternary

1.8 mya to Present

Pleistocene
Pliocene

Tertiary

65 to 1.8 mya

Miocene
Oligocene
Eocene
Paleocene
Mesozoic Era

248 mya to 65 mya
Cretaceous 144 mya to 65 mya
Jurassic 206 to 144 mya
Triassic 248 to 206 mya
Paleozoic Era
543 to 248 mya
Permian 290 to 248 mya
Carboniferous 354 to 290 mya
Devonian 417 to 354 mya
Silurian 443 to 417 mya
Ordovician 490 to 443 mya
Cambrian 543 to 490 mya
Precambrian Time
4,500 to 543 mya
Ediacaran Period 635 to 540 mya
Proterozoic Era 2,500 to 543 mya
Archaean 3,800 to 2,500 mya
Hadean 4,500 to 3,800 mya


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fossilicious.com - Our online fossil and mineral rock shop.
rocksandminerals4u.com - An educational site about rocks, minerals, and geology.