fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
     Alestoidea
     Anostomoidea
     Characoidea
       Acestrorhynchidae
       Bryconidae
       Chalceidae
       Characidae
       Crenuchidae
       Ctenoluciidae
       Gasteropelecidae
       Hepsetidae
       Iguanodectidae
       Lebiasinidae
         Lebiasininae
         Pyrrhulininae
           Nannostomini
             Nannostomus
               anduzei
               beckfordi
               bifasciatus
               britskii
               digrammus
               eques
               erythrurus
               espeii
               grandis
               harrisoni
               limatus
               marginatus
               marilynae
               minimus
               mortenthaleri
               nitidus
               rubrocaudatus
               trifasciatus
               unifasciatus
               undescribed
           Pyrrhulinini
       Parodontidae
       Triportheidae
     Citharinoidei
     Curimatoidea
     Erythrinoidea
   Cichlidae
   Cypriniformes
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc