<P> According to others, acoelomates include the cnidarians (jellyfish and allies), and the ctenophores (comb jellies), platyhelminthes (flatworms including tapeworms, etc .), Nemertea, and Gastrotricha . </P> <P> The word Coelom comes from Greek: κοῖλος koîlos (hollow, cavity) </P>

Phylum nematomorpha is part of the pseudocoelmate phyla