Superphylum Deuterostomia Grobben, 1908 - deuterostomes see Infrakingdom Deuterostomia Grobben, 1908
   Phylum Chordata Bateson, 1885 - chordates
     Subphylum Craniata auct. see Subphylum Vertebrata Cuvier, 1812
       Vertebrata (Lamarck, 1801) - vertebrates see Subphylum Vertebrata Cuvier, 1812
         Myopterygii - myopterygians
           Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
             Grade Teleostomi Bonaparte, 1836
               Euteleostomi - bony vertebrates
                 Class Actinopterygii Woodward, 1891 - ray-finned fishes
                   Subclass Neopterygii Regan, 1923
                     Division Teleostei Müller, 1845 see Infraclass Teleostei Müller, 1845
                       Elopocephala see Supercohort Teleocephala de Pinna, 1996
                         Clupeocephala
                           Subdivision Ostarioclupeomorpha Arratia, 1997 see Cohort Otomorpha E.O. Wiley & G.D. Johnson, 2010
                             Superorder Ostariophysi Jordan & Evermann, 1896 see Subcohort Ostariophysi Sagemehl, 1885
                               Series Otophysi Rosen & Greenwood, 1970 see Section Otophysa (Rosen & Greenwood, 1970)
                                 Cypriniphysi
                                   Characiphysi Fink & Fink, 1981 see Superorder Characiphysae (Fink & Fink, 1981)
                                     Siluriphysi Fink & Fink, 1996
                                       Order Siluriformes Rafinesque, 1810 - catfishes
                                         Superfamily Heptapteroidea Gill, 1861 [monotypic]
                                           Family Heptapteridae Gill, 1861
                                             01 Genus Acentronichthys Eigenmann, 1889
                                             02 Genus Brachyglanis Eigenmann, 1912
                                             03 Genus Brachyrhamdia Myers, 1927
                                             04 Genus Cetopsorhambia Eigenmann, 1916 see Genus Cetopsorhamdia Eigenmann, 1916
                                             05 Genus Chasmocranus Eigenmann, 1912
                                             06 Genus Gladioglanis Ferraris & Mago-Leccia, 1989
                                             07 Genus Goeldiella Eigenmann & Norris, 1900
                                             08 Genus Heptapterus Bleeker, 1857-1858
                                             09 Genus Imparfinis Eigenmann & Norris, 1900
                                             10 Genus Leptorhamdia Eigenmann, 1918
                                             11 Genus Pimelodella Eigenmann & Eigenmann, 1889
                                             12 Genus Rhamdella Eigenmann & Eigenmann, 1888
                                             13 Genus Rhamdia Bleeker, 1857-1858
                                             14 Genus Taunayia Ribeiro, 1918