Animals in the phylum Platyhelminthes are called flatworms because they are flattened from head to tail. Flatworms share several features with more derived animal phyla. They are the most primitive group to exhibit bilateral symmetry. Flatworms have...

Wikispecies has information related to: Platyhelminthes The flatworms (Phylum Platyhelminthes from the Greek platy, meaning "flat" and helminth, meaning worm) are a phylum of relatively simple soft-bodied invertebrate animals. With about 25,000 known...

Five years ago, marine biologist Raphael Ritson-Williams was collecting flatworms in the waters around the Pacific island of Guam, when he found a new species. He put the oval, filmy, yellow flatworm in a container for further study. On the same collecting...

Flatworms could be a really serious pest and without doubt Britain's gardeners are to blame." Manchester University's Hugh Jones is blunt as he describes the arrival and spread of the latest menace to threaten our flora. He is referring to the alien worm...