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
                                         1 Genus Conorhynchos Bleeker, 1858, incertae sedis [monotypic]
                                         2 Family Lacantuniidae Rodiles-Hernández, Hendrickson & Lundberg, 2005 [monotypic]
                                         3 Family †Andinichthyidae Gayet, 1988
                                         4.1 Genus †Bucklandium König, 1825, incertae sedis
                                         4.2 Genus †Fajumia Stromer, 1904, incertae sedis
                                         4.3 Genus †"titanoglanis" Lundberg, 1993, nom. inval., incertae sedis
                                         5 Superfamily Diplomystoidea Eigenmann, 1890 [monotypic]
                                         6.1 Superfamily Cetopsoidea Bleeker, 1858, sedis mutabilis [monotypic]
                                         6.2 Superfamily †Hypsidoroidea Grande, 1987, sedis mutabilis [monotypic]
                                         6.3.1.1.1 Superfamily Loricarioidea Rafinesque, 1815
                                         6.3.1.1.2 Superfamily Sisoroidea Bleeker, 1858
                                         6.3.1.2 Superfamily Pseudopimelodoidea Lundberg, Bornbusch & Mago-Leccia, 1991 [monotypic]
                                         6.3.2.1 Superfamily Heptapteroidea Gill, 1861 [monotypic]
                                         6.3.2.2.1 Superfamily Cranoglanidoidea Myers, 1931 [monotypic]
                                         6.3.2.2.2 Superfamily Ictaluroidea Gill, 1861 [monotypic]
                                         6.3.2.2.3 Superfamily Doradoidea Bleeker, 1858
                                         6.3.2.2.4 Superfamily Siluroidea Rafinesque, 1815
                                         6.3.2.2.5? Superfamily Bagroidea Bleeker, 1858