Fishes
   Class Actinopterygii Woodward, 1891 - ray-finned fishes see Clade Actinopterygii Woodward 1891 [Moore & Near 2020]
     Order Siluriformes Bleeker, 1858 - catfishes
       Family Diplomystidae Eigenmann, 1890 - diplomystid catfishes
       Family Ictaluridae Gill, 1861 - North American freshwater catfishes
       Family Bagridae Bleeker, 1858 - bagrid catfishes
       Family Cranoglanididae Myers, 1931 - armorhead catfishes
       Family Siluridae Rafinesque, 1815 - sheatfishes
       Family Schilbeidae Bleeker, 1858 - schilbeid catfishes
       Family Pangasiidae Bleeker, 1858 - pangasid catfishes
       Family Amblycipitidae Day, 1873 - torrent catfishes
       Family Amphiliidae Regan, 1911 - loach catfishes
       Family Akysidae Gill, 1861 - stream catfishes
       Family Parakysidae - parakysid catfishes see Subfamily Parakysinae Roberts, 1989
       Family Sisoridae Bleeker, 1858 - sisorid catfishes
       Family Clariidae Bonaparte, 1845 - airbreathing catfishes
       Family Heteropneustidae Hora, 1936 - airsac catfishes
       Family Chacidae Bleeker, 1858 - squarehead catfishes
       Family Olyridae - olyrid catfishes see Family Bagridae Bleeker, 1858
       Family Ariidae Bleeker, 1858 - sea catfishes
       Family Plotosidae Bleeker, 1858 - eeltail catfishes
       Family Mochokidae Regan, 1912 - squeakers and upside-down catfishes
       Family Doradidae Bleeker, 1858 - thorny catfishes
       Family Auchenipteridae Bleeker, 1862 - intromittant catfishes
       Family Pimelodidae Bonaparte, 1835 - long-whiskered catfishes
       Family Ageneiosidae - bottlenose catfishes see Subfamily Auchenipterinae Bleeker, 1862
       Family Helogeneidae - helogeneid catfishes see Subfamily Helogeneinae
       Family Cetopsidae Bleeker, 1858 - cetopsid catfishes
       Family Hypophthalmidae - loweye catfishes see Family Pimelodidae Bonaparte, 1835
       Family Aspredinidae Adams, 1854 - banjo catfishes
       Family Trichomycteridae Bleeker, 1858 - pencil catfishes
       Family Callichthyidae Bonaparte, 1835 - callichthyid armored catfishes
       Family Loricariidae Rafinesque, 1815 - suckermouth armored catfishes
       Family Scoloplacidae Bailey & Baskin, 1976 - spiny dwarf catfishes
       Family Astroblepidae Bleeker, 1862 - climbing catfishes
       Family Malapteruridae Bleeker, 1858 - electric catfishes