(infraorder)

fish
inverts
   arthropods
   cnidaria
   crustacea
     Anomopoda
     argulus
     crabs
     crayfish
     cyclops
     fairy shrimp
     gammarus
     mutations
     ostracod
     shrimp
       About
         about
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         taxonomy
           Branchiopoda
           Cephalocarida
           Malacostraca
             Eumalacostraca
               Eucarida
                 Amphionidacea
                 Decapoda
                   Dendrobranchiata
                   Pleocyemata
                     Achelata
                     Anomura
                     Astacidea
                     Axiidea
                     Brachyura
                     Caridea
                       Alpheoidea
                       Atyoidea
                       Bresilioidea
                       Campylonotoidea
                       Crangonoidea
                       Galatheacaridoidea
                       Nematocarcinoidea
                       Oplophoroidea
                       Palaemonoidea
                       Pandaloidea
                       Pasiphaeoidea
                       Physetocaridoidea
                       Processoidea
                       Psalidopodoidea
                       Stylodactyloidea
                     Gebiidea
                     Glypheidea
                     Polychelida
                     Stenopodidea
                 Euphausiacea
               Peracarida
               Syncarida
             Hoplocarida
             Phyllocarida
           Maxillopoda
           Ostracoda
           Remipedia
       Macrobrachium
       Atya
       Arachnochium
       Atyaephyra
       Atyoida
       Atyopsis
       Australatya
       Caridina
       Halocaridina
       Leptopalaemon
       Micratya
       Neocaridina
       Paracaridina
       Troglocaris
     triops
   gastropods
   molluscs
   porifera
   protists
   worms
plants
misc