Tutorspoint provides Phyla of Animalia Kingdom Homework Help Phylum 4 – Nematoda ·         Bilaterally symmetrical body ·         Triploblastic ·         Body shape – cylindrical ·         Lack of organs. Presence of tissues ·         Presence of pseudo-body cavity (not real, sort of a body cavity) ·         Examples of organisms belonging to this phylum – roundworms, tapeworms, ascaris  …