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 Osteichthyes Huxley, 1880 - bony fishes see [unranked] Euteleostomi
               Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
                 Order Gadiformes Rafinesque, 1810 - cods
                   ?Suborder Zoarcoidei
                     Family Zoarcidae - eelpouts
                       1 Genus Zoarces Cuvier & Valenciennes, 1836
                       2 Genus Gymnelis Reinhardt, 1838 see Genus Gymnelus Reinhardt, 1832-1833[1833]
                       3 Genus Lycodes Reinhardt, 1830-1831[1831]
                       4 Genus Macrozoarces Gill, 1864
                       5 Genus Melanostigma Guenther, 1881