Infraphylum [Gnathostomata] Gegenbaur, 1874 - jawed vertebrates see Superclass Gnathostomata Gegenbaur, 1874
   Megaclass Osteichthyes Huxley, 1880 see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
     Superclass Actinopterygii Woodward, 1891 see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
       Class Actinopteri Cope, 1871
         Subclass Neopterygii Regan, 1923
           Infraclass Teleostei Müller, 1845 see Division Teleostei Müller, 1845
             Megacohort Osteoglossocephalai
               Supercohort Clupeocephala Patterson & Rosen, 1977 see Cohort Clupeocephala Patterson & Rosen, 1977
                 Cohort Otomorpha Wiley & Johnson, 2010 see Subcohort Otomorpha Wiley & Johnson, 2010
                   Subcohort Ostariophysi Sagemehl, 1885 see Superorder Ostariophysi Sagemehl, 1885
                     Section Otophysa Rosen & Greenwood, 1970
                       Superorder Siluriphysae
                         Order Siluriformes Bleeker, 1858 - catfishes
                           Suborder Siluroidei Bleeker, 1858
                             01 Family Ailiidae Bleeker, 1858 - Asian schilbeids
                             02 Family Aspredinidae Adams, 1854 - banjo catfishes
                             03 Family Auchenipteridae Bleeker, 1862 - intromittant catfishes
                             04 Family Bagridae Bleeker, 1858 - bagrid catfishes
                             05 Family Cetopsidae Bleeker, 1858 - cetopsid catfishes
                             06 Family Clariidae Bonaparte, 1845 - airbreathing catfishes
                             07 Family Claroteidae Bleeker, 1862 - grunter catfishes
                             08 Family Doradidae Bleeker, 1858 - thorny catfishes
                             09 Family Heptapteridae Gill, 1861 - seven-finned catfishes
                             10 Family Ictaluridae Gill, 1861 - North American freshwater catfishes
                             11 Family Mochokidae Regan, 1912 - squeakers and upside-down catfishes
                             12 Family Pangasiidae Bleeker, 1858 - pangasid catfishes
                             13 Family Pimelodidae Bonaparte, 1835 - long-whiskered catfishes
                             14 Family Plotosidae Bleeker, 1858 - eeltail catfishes
                             15 Family Pseudopimelodidae Fernández-Yépez & Antón, 1966 - bumblebee catfishes
                             16 Family Siluridae Rafinesque, 1815 - sheatfishes
                             17 Family Sisoridae Bleeker, 1858 - sisorid catfishes
                             18 Family Akysidae Gill, 1861 - stream catfishes
                             19 Family Amblycipitidae Day, 1873 - torrent catfishes
                             20 Family Amphiliidae Regan, 1911 - loach catfishes
                             21 Family Anchariidae Glaw & Vences, 1994 - Malagasy catfishes
                             22 Family Ariidae Bleeker, 1858 - sea catfishes
                             23 Family Auchenoglanididae Jayaram, 1966 - flatnose catfishes
                             24 Family Austroglanididae Mo, 1991 - rock catlets
                             25 Family Chacidae Bleeker, 1858 - squarehead catfishes
                             26 Family Cranoglanididae Myers, 1931 - armorhead catfishes
                             27 Family Erethistidae Bleeker, 1862 - erethistid catfishes see Subfamily Sisorinae Bleeker, 1858
                             28 Family Heteropneustidae Hora, 1936 - airsac catfishes
                             29 Family Horabagridae Jayaram, 2006 - imperial catfishes
                             30 Family Kryptoglanidae Britz, Kakkassery & Raghavan, 2014 - Indian cave catfishes
                             31 Family Lacantuniidae Rodiles-Hernández, Hendrickson & Lundberg, 2005 - Lacantún catfishes
                             32 Family Malapteruridae Bleeker, 1858 - electric catfishes
                             33 Family Ritidae Bleeker, 1862 - velvet catfishes
                             34 Family Schilbeidae Bleeker, 1858 - schilbeid catfishes