life
 see Clade Biota Wagner 2004 [Wiemann, de Queiroz, Rowe, Planavsky, Anderson, Gogarten, Turner & Gauthier 2020]
  
 Eukaryota Chatton, 1925 - eukaryotes
 see Domain Eukaryota Chatton, 1925
    
 Metazoa Haeckel 1874 - multicellular animals
 see Kingdom Animalia Linnaeus, 1758
      
 Bilateria Hatschek, 1888 - bilaterians
 see Subkingdom Bilateria Hatschek, 1888
        
 Nephrozoa Jondelius, Ruiz-Trillo, Baguñà & Riutort 2002
          
 Deuterostomia Grobben, 1908 - deuterostomes
 see Infrakingdom Deuterostomia Grobben, 1908
            
 Phylum Chordata Bateson, 1885 - chordates
              
 1 Subphylum Tunicata Lamarck, 1816 - tunicates
 see Subphylum Urochordata Bateson, 1885
              
 2 Subphylum Cephalochordata Owen, 1846 - lancelets
              
 3 Subphylum Vertebrata Cuvier, 1812 - vertebrates
 see Infraphylum Vertebrata Lamarck, 1801