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 see Infraphylum Vertebrata Lamarck, 1801
        |     Class Mammalia Linnaeus, 1758 - mammals
        |       Subclass Theria Parker & Haswell, 1897
        |         Infraclass Eutheria Gill, 1872
        |           Order Primates Linnaeus, 1758 - primates
        |             Suborder Haplorhini Pocock, 1918
        |               Infraorder Catarrhini Geoffroy Saint-Hilaire, 1812 see Parvorder Catarrhini Geoffroy Saint-Hilaire, 1812
        |                 Family Hominidae Gray, 1825
        |                   Genus Homo Linnaeus, 1758 - people
        |                     Homo sapiens Linnaeus, 1758 - human
         Phylum Platyhelminthes Gegenbaur, 1859 - flatworms
           Class Trematoda Rudolphi, 1808 - flukes see Infraclass Trematoda Rudolphi, 1808
             Subclass Digenea Carus, 1863
               Order Plagiorchiida La Rue, 1957
                 Suborder Opecoelata
                   Superfamily Gorgoderoidea Looss, 1901
                     1 Family Gorgoderidae Looss, 1901
                     2 Family Callodistomatidae
                     3 Family Braunotrematidae Yamaguti, 1958