Phylum Nemathelminthes: Characteristics and Classification All – All members of this phylum are parasitic, triploblastic, pseudo -body cavity, elongated round body, not segmented. The phylum in question is Nemathelminthes or Aschelminthes, or better known by the term gilig worm. What is Nemathelminthes? Nemathelminthes are a group of worms that live in various environments. For example, found living freely in waters […]