Home›Species›Taxonomy›PlatyhelminthesTaxaPlatyhelminthesPhylumReference and ClassificationThoroughly VerifiedThe flatworms: soft-bodied invertebrates with a flattened, unsegmented body, no body cavity, and a single opening that serves as both mouth and anus. Platyhelminthes includes free-living planarians as well as parasitic tapeworms and flukes that infect a very wide range of vertebrate hosts.FactsPlatyhelminthesConnectionsSourcesComments (0)Reader Challenges (0)FactsDisputedMember Species/Taxa CountScholarly debate29,000 2Approximate described-species (or, for a genus, described-taxon) count; continually revised as species are newly described, reclassified or synonymized.Taxonomic RankWell-attestedPhylum / Division 2Scientific NameWell-attestedPlatyhelminthes 2ClassificationLiving or ExtinctWell-attestedYes 1PlatyhelminthesFilter Results3 entriesCommon GroupAllFree-Living Flatworms (3)HabitatAllFreshwater (1)Intertidal Zone (1)Lake (1)River (1)Conservation StatusAllNot Evaluated (2)EcosystemAllGreat Barrier Reef (1)Everyday GroupAllFree-Living Flatworms (3)DietAllCarnivore (2)System (Realm)AllFreshwater (1)Marine (1)Terrestrial, Freshwater and Marine (1)Relationship to PeopleAllInvasive or Introduced Species (1)No Significant Interaction with Humans (1)Living or ExtinctAllYes (1)Where It LivesAllAustralia (1)Austria (1)Belgium (1)Brazil (1)Canada (1)Czechia (1)France (1)Germany (1)Guam (1)Indonesia (1)Iraq (1)Ireland (1)Italy (1)Mexico (1)Netherlands (1)Norway (1)Papua New Guinea (1)Poland (1)Portugal (1)Romania (1)Slovenia (1)Switzerland (1)United Kingdom (1)United States (1)Uruguay (1)Show ResultsBrowseCompareSelect all 3Girardia tigrinaPlatyhelminthesPersian Carpet FlatwormPlatyhelminthesPlanarianPlatyhelminthesConnectionsChild Taxon OfAnimalia, Taxa Well-attested Source Catalogue of LifeParent Taxon OfGirardia tigrina, Species Well-attested Source Wikidata: Girardia tigrinaPersian Carpet Flatworm, Species Well-attested Source Wikidata: Persian Carpet FlatwormPlanarian, Species Well-attested Source GBIF Backbone Taxonomy: TricladidaSources1. Wikidata (taxon extant/extinct status)tier 2Wikimedia Foundation / Wikidata contributorsQ124900, descriptionView the Source2. Catalogue of LifeSpecies 2000 & ITIS Catalogue of LifeView the SourceWikidata: PlatyhelminthesWikidata Q124900, class allow-list match (w-wdresolver-0926)View the SourceWikidata: Persian Carpet FlatwormParent Taxon Of: Persian Carpet Flatworm, Wikidata parent-taxon (P171) chainView the SourceWikidata: Girardia tigrinaParent Taxon Of: Girardia tigrina, Wikidata parent-taxon (P171) chainView the SourceWikipedia: FlatwormIn Group: Major Animal Phyla, LeadQuote, In Group: Major Animal Phyla, LeadPlatyhelminthes (from Ancient Greek πλατύ (platy) 'flat' and ἕλμινς (helmins) 'parasitic worm') is a phylum of relatively simple bilaterian, unsegmented, soft-bodied invertebrates commonly called flatworms or flat worms.View the SourceGBIF Backbone Taxonomy: TricladidaGBIF Backbone TaxonomyParent Taxon Of: Planarian, Taxon recordQuote, Parent Taxon Of: Planarian, Taxon record"phylum": "Platyhelminthes"View the SourceComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.