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# Vertebrata
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- Member of the [[Chordata]]
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- Replaces the notochord with a spine
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- "New head"
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- Neural crest cells
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- Transition to dry land started during the [[Devonian]]
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## Taxonomy
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- [[Vertebrata]]
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- Jawless Fishes
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- Hagfishes
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- Lampreys
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- [[Gnathostomata]]
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