What is difference between chordata and protochordata???
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Chordates are the animals with a notochord, dorsal, hollow, nerve cord, pharyngeal gill slits, and a post-anal tail. They includevertebrates, cephalochordates, and urochordates. ... Thus, the main difference between chordates and protochordates isthe presence of a vertebral column.
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The main difference between chordates and protochordates is that the chordates are the animals that have distinct characteristics such as a notochord, dorsal nerve chord, pharyngeal slits, and a muscular tail whereas the protochordates are an informal group of invertebrates within chordates. Furthermore, the three subphyla of chordates are Vertebrata, Urochordata, and Cephalochordata while protochordates consist of both Urochordata and Cephalochordata.
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