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Jawless fish, Cambrian-Devonian, Bony skinned. Look like tadpoles

cloveb

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7 years ago

Jawless fish, Cambrian-Devonian, Bony skinned. Look like tadpoles

a) ancestral rockies
b) Absaroka
c) magnetic reversals
d) Agnathans/Ostracoderms

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bolbol

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