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 Chordata Bateson, 1885 - chordates
           Subphylum Vertebrata Cuvier, 1812 - vertebrates
             Class Mammalia Linnaeus, 1758 - mammals
               Subclass Theria Parker & Haswell, 1897
                 Infraclass Eutheria Gill, 1872
                   Order Artiodactyla Owen, 1848 - even-toed ungulates see Order Cetartiodactyla Montgelard, Catzeflis & Douzery, 1997
                     Suborder Suiformes Jaeckel, 1911 see Suborder Suina Gray, 1868
                       Family Suidae Gray, 1821 - pigs
                         1 Genus Babyrousa Perry, 1811 - babirusa
                         2 Genus Phocochoerus see Genus Phacochoerus Cuvier, 1826
                         3 Genus Hylochoerus Thomas, 1904 - giant forest hog
                         4 Genus Potamochoerus Gray, 1854 - African bush pig
                         5 Genus Sus Linnaeus, 1758 - Eurasian pigs