Phylum | Characteristics |
Mollusca | Mantel (a calcareous shell cover its body .A soft and spongy layer of skin forms a Mantle) |
Hemichordata | Trunk (In this phylum body is cylindrical and is composed of a proboscis, a collar and a long trunk) |
Porifera | Collar cells (Choanocytes or collar cells is present all animals of this phylum) |
Coelenterata | Tentacles bearing (because of only this phylum's animal contains Cnidocytes cell or Tentacles ) |
Cyclostomata | Suckers ( Animals of this phylum are parasitic, they can survive by attached to host by means of Hooks and suckers) |
Urochordata | Tunic ( these animal are enclosed in tunic like covering) |