Metazoa Haeckel 1874 - multicellular animals see Kingdom Animalia Linnaeus, 1758
Count: -
   Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
  Count: -
     Class Trematoda Rudolphi, 1808 - flukes see Infraclass Trematoda Rudolphi, 1808
    Count: -
       Order Digenea Carus, 1863
      Count: [f] 47f
         Suborder Prosostomata Odhner
        Count: [f] 46f
           Family Psilostomatidae Odhner, 1911
          Count: -