fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
     Catostomoidei
       Catostomidae
         Catostominae
           Catostomini
             Catostomus
             Chasmistes
               brevirostris
               cujus
               liorus
             Deltistes
             Xyrauchen
           Erimyzontini
           Moxostomatini
           Thoburniini
         Cycleptinae
         Ictiobinae
         Myxocyprininae
     Cobitoidei
     Cyprinoidei
     Gyrinocheiloidei
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc

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