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Chordatesanimals with a notochord--a long, cartilaginous support column running most of the body's length--located between the stomach and a fluid-filled dorsal nerve cord.
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ChordatesAnimals that display a hollow dorsal nerve cord, gill slits, and a notochord. Includes the protochordates and the vertebrates. chorion
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ChordatesPhylum in the domain Eukarya, comprised of Animals either with fully developed backbones (Vertebrates), or those with Notochords only during some developmental stage (Chordata, Nonvertebrate).
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