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Cambrian Period
GALLERY
Arctic
The Cambrian period was very cold in the beginning.
Warm
It then gradually got warmer.
Clear Water
No life existed on land; all life was aquatic.
Arctic
The Cambrian period was very cold in the beginning.
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Redlichia takooensis Trilobite
Beckwithia typa Aglaspid
Emeraldella
Redlichia takooensis Trilobite
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Brachiopod
Chordate Diagram
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