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
       Claroteidae
       Cranoglanididae
       Doradidae
       Ictaluridae
       Erethistidae
       Heptapteridae
       Heteropneustidae
       Horabagridae
       Hypsidoridae
       Kryptoglanidae
       Lacantuniidae
       Malapteruridae
       Mochokidae
         Chiloglanidinae
         Mochokinae
           Microsynodontis
           Synodontis
             albolineatus
             angelicus
             brichardi
             caudalis
             decorus
             eupterus
             pardalis
             polli
             polystigma
             schall
       Olyridae
       Pangasiidae
       Parakysidae
       Pimelodidae
       Plotosidae
       Pseudopimelodidae
       Schilbidae
       Siluridae
       Sisoridae
     Trichomycteridae
   Synbranchiformes
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inverts
plants
misc