dino

Eras

Paleozoic Era
Mesozoic Era
Cenozoic Era

Paleozoic class example

542000000 BC - 251000000 BC

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Paleozoic

542000000 BC - 251000000 BC

Mesozoic

251000000 BC - 65500000 BC

Cenozoic

65500000 BC - 2013 AD

Periods of Paleozoic

Permian
Carboniferous (Mississippian/Pennsylvanian)
Devonian
Silurian
Ordovician
Cambrian

Cambrian

542000000 BC - 488000000 BC

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LINK

Ordovician

488000000 BC - 444000000 BC

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Link

Silurian

444000000 BC - 416000000 BC

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link

Devonian

416000000 BC - 359000000 BC

Carboniferous (Mississippian/Pennsylvanian)

359000000 BC - 300000000 BC

Permian

300000000 BC - 251000000 BC

Periods of Mesozoic Era

Triassic

251000000 BC - 200000000 BC

Jurassic

200000000 BC - 145500000 BC

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Cretaceous

145500000 BC - 65500000 BC

Periods of Cenozoic Era

Quaternary (Pleistocene/Holocene)
Neogene (Miocene/Pliocene)

Paleogene (Paleocene/Eocene/Oligocene)

Paleogene (Paleocene/Eocene/Oligocene)

65500000 BC - 23000000 BC

Neogene (Miocene/Pliocene)

23000000 BC - 2588000 BC

Quaternary (Pleistocene/Holocene)

2588000 BC - 2013

Dinosaur Time

T-Rex

67000000 BC - 65500000 BC

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