What type of body cavity is present in animals belonging to the phylum Chordata?

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Animals belonging to the phylum Chordata are bilaterally symmetrical, triploblastic, coelomate with the organ-system level of organization possesses a coelomated body. They (Members of Phylum Chordata)possess a post anal tail and a closed circulatory system.The members of subphylum Vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adultVertebrates have a ventral muscular heart with two, three or four chambers, kidneys for excretion