[organisms]
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
    
 Class Turbellaria Ehrenberg, 1831 - planarians
 see Subphylum Turbellaria Ehrenberg, 1831
      
 Order Polycladida Lang, 1884
        
 Family Stylochidae Stimpson, 1857
          
 Genus Stylochus Ehrenberg, 1831
            
 Stylochus tauricus Jakubova, 1909