| 1. | Some scientists are already questioning whether Yunnanozoon is really a chordate.
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| 2. | Wathan generators create wathans which attach themselves to sufficiently advanced chordates.
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| 3. | Vertebrates are the only chordate group to exhibit a proper brain.
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| 4. | Image-resolving eyes are present in molluscs, chordates and arthropods.
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| 5. | Many believe vertebrates diverged from a common ancestor of chordates and echinoderms.
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| 6. | Cephalization is intrinsically connected with a change in chordates from the notochord.
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| 7. | According to Dohrn many chordates are degenerated because of their environmental conditions.
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| 8. | It has been likened to the chordate " Pipiscus ".
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| 9. | PADs are found in chordates but not in lower animals.
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| 10. | }} it does not possess any usual chordate synapomorphies.
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