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 Agnatha Cope, 1889
               Order Myxiniformes - hagfishes
                 Family Myxinidae Rafinesque, 1815 - hagfishes
                   1 Genus Myxine Linnaeus, 1758
                   2 Genus Notomyxine Nani & Gneri, 1951
                   3 Genus Neomyxine Richardson, 1953
                   4 Genus Nemamyxine Richardson, 1958
                   5 Genus Eptatretus Cloquet, 1819