11. The flatworms feint and parry in a duel that can last an hour. 12. The trochozoa also include molluscs, annelids, flatworms , nemertines and others. 13. Flatworms ( phylum Platyhelminthes ) are the most primitive animals with bilateral symmetry.14. The Platyzoa include the phylum Platyhelminthes, the flatworms . 15. Spliced leaders have been seen in trypanosomatids, Euglena, flatworms , Caenorhabditis. 16. Physicians also give enema treatment to the patient to completely remove intestinal flatworms . 17. As it stands, its just a stub about the anatomy of a flatworm . 18. It is also known to eat flatworms , a common pest in reef aquariums. 19. They are relatively small free-living flatworms , inhabiting freshwater and marine environments. 20. The flatworm that causes this disease uses fresh-water snails as the intermediate host.
