organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Kingdom Animalia Linnaeus, 1758 - animals
    
 Eumetazoa Bütschli, 1910 - eumetazoans
      
 Bilateria Hatschek, 1888 - bilaterians
 see Subkingdom Bilateria Hatschek, 1888
        
 Protostomia Grobben, 1908
 see Infrakingdom Protostomia Grobben, 1908
          
 Spiralia Schleip, 1929 - spiralians
 see Superphylum Spiralia Schleip, 1929
            
 Parenchymia
              
 Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
                
 Euplathelminthes
 see [unranked] Rhabditophora Ehlers, 1985
                  
 Rhabditophora Ehlers, 1985
 see Subphylum Rhabditophora Ehlers, 1985
                    
 Trepaxonemata
 see [unranked] Rhabditophora Ehlers, 1985
                      
 Neoophora
 see Class Neoophora
                        
 1 Order Seriata
                        
 2 Rhabdocoela Meixner, 1925
 see Infraclass Rhabdocoela Ehrenberg, 1831