fish
inverts
   Annelida
   Arthropoda
     Arachnida
     crustacea
       altocrustacea
         branchiopoda
           diplostraca
             laevicaudata
             onychocaudata
               Cladoceromorpha
                 bosminidae
                 cercopagididae
                 chydoridae
                 cyclestheriidae
                 daphniidae
                   ceriodaphnia
                   daphnia
                     ambigua
                     villosa
                     arcuata
                     brooksi
                     carinata
                     carvicervix
                     catawba
                     cheraphila
                     cucullata
                     curvirostris
                     dubia
                     exilis
                     galeata
                     hyalina
                     laevis
                     latispina
                     longiremis
                     longispina
                     lumholtzi
                     magna
                     magniceps
                     middendorffiana
                     minnehaha
                     obtusa
                     oregonensis
                     parvula
                     pileata
                     prolata
                     psittacea
                     pulex
                     pulicaria
                     retrocurva
                     rosea
                     salina
                     schodleri
                     tenebrosa
                     thorata
                   daphniopsis
                   megafenestra
                   scapholeberis
                   simocephalus
                 holopediidae
                 ilyocryptidae
                 leptodoridae
                 macrothricidae
                 moinidae
                 podonidae
                 polyphemidae
                 sididae
               Spinicaudata
           Notostraca
         copepoda
         malacostraca
       argulus
       crabs
       crayfish
       fairy shrimp
       mutations
       ostrocoda
       shrimp
       clams
       Malacostraca
     insecta
   Bacteria
   Cnidaria
   Mollusca
   Porifera
   Protozoa
   Rotifera
misc
plants