curve

fish
inverts
   Annelida
   Arthropoda
   Bacteria
   Cnidaria
   Mollusca
     Gastropoda
     Bivalvia
       Mytilida
         Mytilidae
           mussels
             illinois
             tenessee
               Actinonaias pectorosa
       Unionida
   Porifera
   Protozoa
misc
plants

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