Platyhelminthes, also referred to generally as Flatworms, are a Phylum of Kingdom Animalia under Sub-Kingdom Eumetazoa that are commonly known as Flatworms.

Characteristic FeaturesEdit

  • Acoelomate (lack a body cavity)
  • Invertebrate
  • Bilaterally symmetric

Further ClassificationEdit

There are no further classifications for Phylum Platyhelminthes.


  • Platyhelminthes are aquatic and terrestrial.
  • Most Platyhelminthes are parasitic in nature.