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 Loricarioidea Rafinesque, 1815
                                           1 Family Amphiliidae Regan, 1911 - loach catfishes
                                           2 Family Trichomycteridae Bleeker, 1858 - parasitic catfishes and candirus
                                           3 Family Nematogenyidae Bleeker, 1862 [monotypic]
                                           4 Family Callichthyidae Bonaparte, 1838 - callichthyid armored catfishes
                                           5 Family Scoloplacidae Bailey & Baskin, 1976 [monotypic] - spiny dwarf catfishes
                                           6 Family Astroblepidae Bleeker, 1862 [monotypic] - climbing catfishes
                                           7 Family Loricariidae Rafinesque, 1815 - suckermouth armored catfishes