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Vertebrates came first... all of those other creatures are vertebrates..

prior to the evolution of the spine (vertebrae) there were no fish, reptiles, mammals birds... nothing like them..

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15y ago
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11y ago

Amphibians, as reptiles came from them.

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11y ago

very small marine life

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14y ago

Reptiles.

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Q: Which came first invertebrates or vertebrates?
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