Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct.
       Vertebrata Lamarck, 1801 - vertebrates see Infraphylum Vertebrata Lamarck, 1801
         Myopterygii Janvier, 1978 - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836 see Clade Pan-Osteichthyes Rowe 2004 [Moore & Near 2020]
               Euteleostomi - bony vertebrates see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845
                       Subdivision Osteoglossomorpha Greenwood et al., 1966 see Cohort Osteoglossomorpha Greenwood et al., 1966
                         Order Osteoglossiformes Berg, 1940 - bonytongues
                           Family Mormyridae Bonaparte, 1831, sedis mutabilis [paraphyletic] - elephantfishes
                             01 Genus Brienomyrus Taverne, 1971
                             02 Genus Campylomormyrus Bleeker, 1874
                             03 Genus Gnathonemus Gill, 1863 - elephant fishes
                             04 Genus Hippopotamyrus Pappenheim, 1906
                             05 Genus Hyperopisus Gill, 1862
                             06 Genus Marcusenius Gill, 1862
                             07 Genus Mormyrops Müller, 1843
                             08 Genus Mormyrus Linnaeus, 1758
                             09 Genus Petrocephalus Marcusen, 1854
                             10 Genus Pollimyrus Taverne, 1971
                             11 Genus Stomatorhinus Boulenger, 1898