Worms in the phylum Platyhelminthes are called flatworms because they have flattened bodies. There are more than 18,500 known species of flatworms.

Which phylum is known as flatworms?

Flatworms: Phylum Platyhelminthes. The phylum Platyhelminthes consists of simple worm-like animals called flatworms (Fig.

Which animals are called flatworms?

Animals belonging to the phylum Platyhelminthes are also called flatworms due to dorsoventrally flattened bodies. Examples are liver fluke, tapeworm, etc. They are found as endoparasites in human beings.