living organisms
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Superkingdom Eukaryotae
 see Domain Eukaryota Chatton, 1925
    
 Kingdom Animalia Linnaeus, 1758 - animals
      
 Subkingdom Eumetazoa Butschli, 1910
 see [unranked] Eumetazoa Bütschli, 1910
        
 Phylum Nemata Cobb, 1919
 see Phylum Nematoda Gegenbaur, 1859
          
 Class Adenophorea
            
 Subclass Enoplia Pearse, 1942
              
 Order Enoplida Filipjev, 1929
                
 Suborder Tripylina Andrassy, 1974
                  
 Superfamily Tripyloidea De Man, 1876
                    
 1 Family Tripylidae De Man, 1876
                    
 2 Family Prismatolaimidae Micoletzky, 1922