Kingdom Animalia Linnaeus, 1758 - animals
   Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
     Class Turbellaria Ehrenberg, 1831 - planarians see Subphylum Turbellaria Ehrenberg, 1831
       Order Polycladida Lang, 1884
         Genus Eurylepta Ehrenberg, 1831
         Genus Hoploplana Laidlaw, 1902
         Genus Leptoplana Ehrenberg, 1831
         Genus Notoplana Laidlaw, 1903
         Genus Planocera Blainville, 1828
         Genus Pseudoceros Lang, 1884
         Genus Stylochus Ehrenberg, 1831
         Genus Thysanozoon Grube, 1840