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Eras and Periods
N/A
14
Biology
Undergraduate 2
02/13/2012

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Cards

Term
Cenozoic
Definition

Quarternary

Tertiary

Term
Mesozoic
Definition

Cretaceous

Jurassic

Triassic

Term
Paleozoic
Definition

Permian

Carboniferous

Devonian

Silurian

Cambrian

Term
Quarternary
Definition
11,000-2 million
Term
Cretaceous
Definition
135 million
Term
Jurassic
Definition
181 million
Term
Triassic
Definition
230 million
Term
Permian
Definition
280 million
Term
Carboniferous
Definition
310-345 million
Term
Devonian
Definition
405 million
Term
Silurian
Definition
425 million
Term
Ordovician
Definition
500 million
Term
Cambrian
Definition
600 million
Term
Tertiary
Definition
13-63 million
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