[Phylum] Chordata Bateson, 1885 - chordates
   Subphylum Craniata auct.
     Infraphylum Vertebrata Lamarck, 1801 - vertebrates
       Superclass Gnathostomata Gegenbaur, 1874 - jawed vertebrates
         Class Osteichthyes Huxley, 1880 - bony fishes and tetrapods see Clade Osteichthyes Huxley 1880 [Moore & Near 2020]
           Subclass Actinopterygii Woodward, 1891 - ray-finned fishes see Class Actinopterygii Woodward, 1891
             Infraclass Actinopteri Cope, 1871 see Class Actinopteri Cope, 1871
               Superdivision Neopterygii Regan, 1923 see Subclass Neopterygii Regan, 1923
                 Superdivision Teleosteomorpha Arratia, 2001 see Infraclass Teleosteomorpha Arratia, 2001
                   Division Teleostei Müller, 1845
                     Cohort Clupeocephala Patterson & Rosen, 1977
                       Subcohort Otomorpha Wiley & Johnson, 2010
                         Superorder Ostariophysi Sagemehl, 1885
                           Section Otophysa Rosen & Greenwood, 1970
                             Order Siluriformes Bleeker, 1858 - catfishes
                               Suborder Siluroidei Bleeker, 1858
                                 01 Family Siluridae Rafinesque, 1815 - sheatfishes
                                 02 Family Kryptoglanidae Britz, Kakkassery & Raghavan, 2014 - Indian cave catfishes
                                 03 Family Austroglanididae Mo, 1991 - rock catlets
                                 04 Family Pangasiidae Bleeker, 1858 - pangasid catfishes
                                 05 Family Chacidae Bleeker, 1858 - squarehead catfishes
                                 06 Family Plotosidae Bleeker, 1858 - eeltail catfishes
                                 07 Family Ritidae Bleeker, 1862 - velvet catfishes
                                 08 Family Ailiidae Bleeker, 1858 - Asian schilbeids
                                 09 Family Horabagridae Jayaram, 2006 - imperial catfishes
                                 10 Family Bagridae Bleeker, 1858 - bagrid catfishes
                                 11 Family Akysidae Gill, 1861 - stream catfishes
                                 12 Family Amblycipitidae Day, 1873 - torrent catfishes
                                 13 Family Sisoridae Bleeker, 1858 - sisorid catfishes
                                 14 Family Amphiliidae Regan, 1911 - loach catfishes
                                 15 Family Malapteruridae Bleeker, 1858 - electric catfishes
                                 16 Family Mochokidae Regan, 1912 - squeakers and upside-down catfishes
                                 17 Family Schilbeidae Bleeker, 1858 - schilbeid catfishes
                                 18 Family Auchenoglanididae Jayaram, 1966 - flatnose catfishes
                                 19 Family Claroteidae Bleeker, 1862 - grunter catfishes
                                 20 Family Lacantuniidae Rodiles-Hernández, Hendrickson & Lundberg, 2005 - Lacantún catfishes
                                 21 Family Clariidae Bonaparte, 1845 - airbreathing catfishes
                                 22 Family Heteropneustidae Hora, 1936 - airsac catfishes
                                 23 Family Anchariidae Glaw & Vences, 1994 - Malagasy catfishes
                                 24 Family Ariidae Bleeker, 1858 - sea catfishes
                                 25 Family Aspredinidae Adams, 1854 - banjo catfishes
                                 26 Family Doradidae Bleeker, 1858 - thorny catfishes
                                 27 Family Auchenipteridae Bleeker, 1862 - intromittant catfishes
                                 28 Family Cranoglanididae Myers, 1931 - armorhead catfishes
                                 29 Family †Astephidae Grande & Lundberg, 1988
                                 30 Family Ictaluridae Gill, 1861 - North American freshwater catfishes
                                 31 Family Heptapteridae Gill, 1861 - seven-finned catfishes
                                 32 Family Phreatobiidae Reichel, 1927 - cistern catfishes
                                 33 Family Pimelodidae Bonaparte, 1835 - long-whiskered catfishes
                                 34 Family Pseudopimelodidae Fernández-Yépez & Antón, 1966 - bumblebee catfishes