Schizocoelomates and enterocoelomates are

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The presence or absence of coelom is an important basis of classifications in animals. Coelom refers to a large fluid-filled space lying between two outer body wall and inner digestive tube. Schizocoelom arises from a mesodermal split. This body cavity is formed from blocks of mesoderm around the gut that enlarge and hollow out. Example- animals belonging to the Phyla Annelida, Mollusca and Arthropoda. Enterocoelom arises from out pocketing of the embryonic gut (endoderm). This type of body cavity is formed by out