fish
inverts
   Annelida
   Arthropoda
     Arachnida
     crustacea
       altocrustacea
         branchiopoda
         copepoda
           Calanoida
           Harpacticoida
           cyclopoida
         malacostraca
       argulus
       crabs
       crayfish
       fairy shrimp
       mutations
       ostrocoda
       shrimp
       clams
       Malacostraca
     insecta
   Bacteria
   Cnidaria
   Mollusca
   Porifera
   Protozoa
   Rotifera
misc
plants