fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
     Diplomystidae
     Loricarioidei
     Siluroidei
       Ailiidae
       Akysidae
       Amblycipitidae
       Amphiliidae
       Anchariidae
       Andinichthyidae
       Aspredinidae
       Auchenipteridae
       Austroglanididae
       Bachmanniidae
       Bagridae
       Candiru
       Cetopsidae
       Chacidae
       Clariidae
         Bathyclarias
           atribranchus
           euryodon
           filicibarbis
           foveolatus
           ilesi
           longibarbis
           nyasensis
           rotundifrons
           worthingtoni
         Channallabes
         Clariallabes
         Clarius
         Dinotopterus
         Dolichallabes
         Encheloclarias
         Gymnallabes
         Heterobranchus
         Horaglanis
         Platyallabes
         Platyclarias
         Tanganikallabes
         Uegitglanis
         Xenoclarias
       Claroteidae
       Cranoglanididae
       Doradidae
       Ictaluridae
       Erethistidae
       Heptapteridae
       Heteropneustidae
       Horabagridae
       Hypsidoridae
       Kryptoglanidae
       Lacantuniidae
       Malapteruridae
       Mochokidae
       Olyridae
       Pangasiidae
       Parakysidae
       Pimelodidae
       Plotosidae
       Pseudopimelodidae
       Schilbidae
       Siluridae
       Sisoridae
     Trichomycteridae
   Synbranchiformes
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