Parazoa is a Sub-Kingdom under the Kingdom Animalia. The only surviving Parazoans are the sponges, which belong to the phylum Porifera, and the Trichoplax in the phylum Placozoa.

Characteristic FeaturesEdit

  • Do not have tissues or organs
  • No body symmetry (are asymmetrical)
  • Paraphyletic

Further ClassificationEdit

  • Phylum Porifera
  • Phylum Placozoa


  • The other Sub-Kingdom under the Kingdom Animalia is Eumetazoa.