Flatworm - Wikipedia Platyhelminthes (from Ancient Greek πλατύ platy 'flat' and ἕλμινς helmins 'parasitic worm') [4] is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called flatworms or flat worms
Introduction to the Platyhelminthes Platyhelminths have practically no fossil record A few trace fossils have been reported that were probably made by platyhelminths (Alessandrello et al , 1988), and fossil trematode eggs have been found in Egyptian mummies and in the dried dung of Pleistocene ground sloth
28. 3B: Phylum Platyhelminthes - Biology LibreTexts Phylum Platyhelminthes is composed of the flatworms: acoelomate organisms that include many free-living and parasitic forms Most of the flatworms are classified in the superphylum Lophotrochozoa, which also includes the mollusks and annelids
Platyhelminthes - GeeksforGeeks Phylum Platyhelminthes is a phylum of invertebrates that consists of organisms that are bilaterally symmetrical and unsegmented Usually, species in this phylum are known as flatworms or tapeworms as they have flat bodies
Characteristics of Platyhelminthes - BYJUS Phylum Platyhelminthes belongs to kingdom Animalia This phylum includes 13,000 species The organisms are also known as flatworms These are acoelomates and they include many free-living and parasitic life forms Members of this phylum range in size from a single-celled organism to around 2-3 feet long Characteristics of Platyhelminthes
Phylum Platyhelminthes: Classification and Features Platyhelminthes or flatworms are a diverse group comprising of 25000 living species that show evolutionary achievements over the diplo-blasts in having a structural body plan that is based on bilateral symmetry and in having definite organs or system of organs