fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
     Alestoidea
     Anostomoidea
       Anostomidae
         Abramites
         Anostomoides
         Anostomus
         Gnathodolus
         Hypomasticus
         Laemolyta
         Leporellus
         Leporinus
         Megaleporinus
         Petulanos
         Pseudanos
         Rhytiodus
         Sartor
         Synaptolaemus
         Schizodon
           altoparanae
           australis
           borellii
           corti
           dissimilis
           fasciatus
           intermedius
           isognathus
           jacuiensis
           knerii
           nasutus
           platae
           rostratus
           scotorhabdotus
           succinctus
           unimaculatus
           vittatus
     Characoidea
     Citharinoidei
     Curimatoidea
     Erythrinoidea
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc