curve

fish
inverts
   Annelida
   Arthropoda
     Arachnida
     crustacea
     insecta
       diptera
       Odonata
         Anisoptera
         Zygoptera
           Coenagrionidae
             Ischnura
         Cordulegastridae
       Hemiptera
   Bacteria
   Cnidaria
   Mollusca
   Porifera
   Protozoa
misc
plants

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