fish
   Anabantiformes
   Anguilliformes
   Atheriniformes
   Characiformes
   Cichlidae
   Cypriniformes
     Catostomoidei
       Catostomidae
         Catostominae
           Catostomini
           Erimyzontini
             Erimyzon
               claviformis
               oblongus
               sucetta
             Minytrema
           Moxostomatini
           Thoburniini
         Cycleptinae
         Ictiobinae
         Myxocyprininae
     Cobitoidei
     Cyprinoidei
     Gyrinocheiloidei
   Cyprinodontiformes
   Gobiiformes
   Perciformes
   Siluriformes
   Synbranchiformes
   more
inverts
plants
misc

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